GREYLEDGE TECHNOLOGIES - Key Persons

Job Titles:

• Global Leader
• Global Technology Principal - OT Cybersecurity / Division Lead - Divergent Solutions - OT Cybersecurity

Adi Karisik is a global leader with over 20 years of highly specialized professional experience, one that covers information technology, enterprise IT cyber security, Operational Technology, management consulting, and intelligence consulting as well as providing specialized services in Defense and Intelligence domains. He managed several classified and open programs/portfolios in both USA and Europe. During his 14-year tenure with Blue Canopy Group, Mr. Karisik served as a partner and one of the key leaders in National Security. Mr. Karisik's skillset is very colorful, totally not unlike his work experience, and involves behavioral profiling, cultural analysis, political-military advising, combat operations, intelligence training, predictive threat analysis, etc. - just to name a few. He worked in over 80 countries and speaks multiple languages. His work experience covers a variety of organizations in the intelligence arena and within the Department of Defense, Mr. Karisik is well known within Army, United States Marine Corps, and specialized community. He teaches at Naval Post Graduate School in Monterey and has authored several types of training in areas of cross-cultural negotiations, predictive behavior analysis, human terrain reading, and survivability. Since 2012 Adi has been involved in big data analytics and has partnered with several US and European companies to provide a product capable of combining big data and machine learning with multiple external data sources, in order to facilitate assistance in the area of complex decision-making modeling. Since 2017 Mr. Karisik has been involved in setting up a focused Operational Technology Services Practice within Jacobs. Currently, the practice covers several hundreds of clients globally. Adi is a passionate pilot, a former nationally ranked NCAA Division 1 tennis coach, and active in Civil Air Patrol where he volunteers his time to train cadets and fly search and rescue missions. At Jacobs, Mr. Karisik served as Deputy BU Leader for Cybersecurity and as a BU Leader for Commercial and International Cybersecurity within National Security Solutions/CMS. In February 2019 he joined our P&PS line of business in NYC PU-based Operational Technology Services Group and started managing it. The group grew over 12 times, and Operational Technology has been recognized and established as a separate technology under Jacobs Digital Market. In 2022 Adi joined the Divergent Solutions Line of Business and since then he leads Jacobs OT Cybersecurity division from there. Adi lives in the Washington DC area with his wife, a daughter, and a son.

Job Titles:

• Consultant to the Karli Center
• Director of Data Systems and Analytics for Greyledge

Connor Callen serves as the Director of Data Systems and Analytics for Greyledge. Connor designs and orchestrates the data ecosystem, software, and analytics that power Greyledge's vision. Connor graduated from the University of Colorado: Boulder in 2018 with a degree in Biochemical Engineering. He previously worked at IBM in various engineering and project management roles before returning to the medical field as a territory manager in the medical device field. In addition, Mr. Callen also serves as a consultant to the Karli Center where he works with the Karli executive team to integrate the Greyledge data model into the Center's EMR platform.

Job Titles:

• Team Physician for FC Dallas

Damond Blueitt, MD, is a sports medicine physician specializing in non-operative orthopedics, complex sport concussion management, and regenerative medicine. Dr. Blueitt serves patients in Fort Worth and Keller, Texas, at Texas Orthopaedic Associates. Dr. Blueitt received a bachelor's degree from Southern Methodist University in Dallas, where he played wide receiver for the Mustangs. He received his medical degree from the University of Texas Southwestern Medical School in Dallas. Following graduation, he completed his residency at Southwest Georgia Family Medicine Residency at Phoebe Putney Memorial Hospital, where he was named resident of the year and co-chief resident. Dr. Blueitt went on to complete a sports medicine fellowship at Steadman-Hawkins Clinic of the Carolinas in Greenville, South Carolina. In addition to seeing patients at Texas Orthopaedic Associates, Dr. Blueitt is a team physician for FC Dallas and several local high schools. He is also the medical director for the Texas Health Sports Medicine Concussion Program and is on the Concussion Oversight Team of numerous North Texas high schools. Dr. Blueitt is very active and believes in an active lifestyle. He enjoys the outdoors and spending time with family and friends.

Job Titles:

• Member of the Scientific Research and Development Team
• Senior Scientist

Denis Polancec, PhD joined Greyledge technologies in August 2022 as a senior scientist. He had worked for 15 years as a head of the flow cytometry and cell sorting laboratory in a research institute within a pharmaceutical company. After that he started to work in a children's hospital as a Head of Translational Medicine Department. On both positions his responsibilities were establishing and running of flow cytometry laboratory and development of various polychromatic flow cytometry assays. Additionaly, he was involved in teaching graduate or PhD students in basic and advanced flow cytometry as well as helping various laboratories regarding sample preparation and management, acquisition on flow cytometer and subsequent offline analysis of listmode data files. Denis will be working on different regenerative medicine projects including immunophenotyping of a stromal vascular fraction from micro- fragmented lipoaspirate, flow cytometry analysis of adipose-derived mesenchymal stem cells and stem cells from bone marrow aspirates and platelet-rich plasma preparations.

Job Titles:

• Member of the Scientific Research and Development Team
• Physician
• Founder, Chief Executive Officer, Board of Directors

Greyledge operations are currently being led by company Founder and CEO - David Karli. He is responsible for all aspects of company development, including the integration of a strong team of professionals to support Greyledge's innovative approach to regenerative medicine. After attending medical school at the University of Maryland, Dr. Karli completed his residency in Physical Medicine and Rehabilitation at Harvard Medical School. Subsequently, he joined the faculty at Harvard, serving as an Attending Physician with the Department of PM&R at Spaulding Rehabilitation Hospital, as well as working in the Department of Orthopedic Surgery at Mass General Hospital. After joining the Steadman Clinic in 2003, Dr. Karli began to adopt the use of autologous-based therapies that were emerging in the field of regenerative medicine. He has continued to lead the effort required to refine the practice of regenerative medicine, and has published pivotal clinical results and lectured extensively. His practice has grown substantially and includes treating elite-level and professional athletes. As a result, Dr. Karli has been featured in high-level media publications such as the Wall Street Journal, New York Times, ESPN Magazine and Denver Magazine. Dr. Karli recognized early on that understanding the composition of regenerative biologic preparations used in treating his patients would be critical to refining his practice of medicine. He also realized that a "one size fits all" approach to creating the therapeutic preparations wouldn't meet the need for an evidence-based, precision medicine approach. As a result, he founded Greyledge. In support of his concept for regenerative medicine, he completed the COLA Laboratory Director training course, and obtained his MBA (Daniels College of Business, University of Denver). Greyledge has achieved sustained profitability and is ready for scalable expansion. Dr. Karli is positioning the company to maintain its unique technology platform offering by tracking regulatory activity, advancing biologic sample analytics and quality measures, and creating protocols that allow for customization of patient biologic preparations.

Dr. Ernest E. Braxton Jr. is a Board-Certified neurosurgeon specializing complex spine, minimally invasive outpatient spine surgery, artificial disc technology and sports related neurotrauma. He first fell in love with the Rocky Mountains while studying at the United States Air Force Academy, in Colorado Springs, Colorado. He completed medical school at the University of Pennsylvania and residency at Allegheny General Hospital in Pittsburgh. While in Pittsburgh, he earned his MBA from the Tepper School of Business at Carnegie Mellon University (MBA) and rang the opening bell at the NASDAQ for his accomplishments in the field of entrepreneurship. Before joining Vail Summit Orthopedics he was the Chief of Neurosurgery at San Antonio Military Medical Center (SAMMC). SAMMC is the Department of Defense's largest medical treatment facility and has the highest acuity and volume of any hospital in our military health system. During his military service he was the Theater Neurosurgeon In Charge while deployed in Afghanistan where he contributed to the 96% survivability rate for incoming wounded. While working in a combat zone he acquired extensive experience with blast and traumatic brain injuries, as well as complex spinal fractures resulting from high-energy improvised explosive devices (IEDs). Dr. Braxton is passionate about minimally invasive spine surgery because patients return to performance faster. He is Clinical Professor of Surgery at University Health Science Center in San Antonio (UHTSA) and has authored numerous peer-reviewed publications. When out of the OR, he is a champion for the prevention and management of brain injury and concussion. During his free time, Dr. Braxton enjoys spending time with friends and family, and outdoor activities, including skiing and biking. Education United States Air Force Academy Bachelor of Science University of Pennsylvania Medical Degree Wilford Hall Medical Center

Job Titles:

• Physician

Dr. Elton's fellowship training has given him the expertise to handle the full spectrum of foot and ankle disorders: from sports injuries and fractures to nerve and tendon disorders, deformities, and chronic pain. He emphasizes that most non-traumatic injuries can be resolved with non-operative treatment. Philosophically, Dr. Elton will recommend surgical intervention only when other non-operatives treatments have failed. A good surgeon, in his opinion, is first and foremost a good doctor: listening to a patient to understand how the injury or illness fits into the larger context of the patient's life. Dr. Elton is excited about innovations in joint replacement and the implications this may have for the foot and ankle. As people are enjoying longer and healthier lives, the desire to stay active is fueling the research that will make ankle replacement a viable option for many patients. After completing his orthopaedic surgery residency in San Antonio, Texas, and his fellowship training in Boston, Massachusetts, Dr. Elton is delighted to be back in Colorado where he completed his undergraduate and medical school education. Dr. Elton is an avid cyclist and enjoys skiing and snowboarding, as well as camping and hiking with his wife and three children. Education University of Colorado Boulder Bachelor of Science, Chemical Engineering University of Colorado School of Medicine Medical Degree The University of Texas Health Science Center at San Antonio

Job Titles:

• Executive
• Research Scientist

Dr. Michael Coleman has more than 28 years of experience as a research scientist and executive in the biotechnology, medical device, and pharmaceutical industries. He received his baccalaureate and doctoral degrees at Texas A&M University and The Pennsylvania State University and did postdoctoral research at Baylor College of Medicine. During his career, Dr. Coleman has led the development of gene therapies, medical devices, and regenerative medicine products in the USA and EU. He has been continuously involved in the development and commercialization of regenerative medicine products since 2006. He is currently CEO of Metaclipse Therapeutics, an Atlanta-based biotech company developing immunotherapies for cancer and vaccines for infectious diseases.

Dr. Robert Krasnick is a pain management doctor who has dedicated the past 24 years to the practice of Regenerative Medicine. He uses a holistic approach implementing alternative, regenerative treatments for patients with chronic joint, back, neck, wrist, ankle, knee, and hip pain, arthritis, as well as sports injuries. He specializes in using non-surgical techniques including: Prolotherapy, Platelet Rich Plasma (PRP), Stem Cell Therapy, Prolozone™, Neural Prolotherapy (also known as PIT or Lyftogt Technique®) and Hydrodissection. Dr. Krasnick's specialized use of musculoskeletal ultrasound accelerates an onsite diagnosis, decreasing the need for additional testing. Together he works with his patients toward a goal of healing, health and wellness. Education University of Michigan

Elizabeth Batterton, M.D., is a fellowship-trained primary care sports medicine physician. She received her bachelor's degree in chemistry from Randolph-Macon College in Ashland Va., and her medical degree from American University of the Caribbean School of Medicine in St. Maarten. She went on to complete her family medicine residency as co-chief resident at the Louisiana State University Health Sciences Center in Shreveport. She was co-chief fellow during her fellowship training through the John Peter Smith Health System in Fort Worth. As the former captain of her college varsity lacrosse and soccer teams, Dr. Batterton understands the desire of athletes and active individuals to maintain their musculoskeletal health with little downtime. Her special interests include administering minimally-invasive joint injections and nerve blocks, and addressing all facets of general musculoskeletal health. Dr. Batterton is highly-trained to provide a broad range of orthopedic and sports medicine services. She has provided physician coverage for athletic teams at Texas Christian University, Texas Wesleyan University, Southwestern Assemblies of God University, and several area school districts. Dr. Batterton is a member of the American Academy of Family Physicians and American Medical Society for Sports Medicine. Education American University of the Caribbean School of Medicine Doctorate

Job Titles:

• Director

Howard Ash is an accomplished Executive with extensive experience in business and finance, who served as CEO, COO, and CFO to a variety of high-profile, international companies. Mr. Ash continues to serve as Chairman of Claridge Management since 2000. He serves as Chairman of the audit committee, a member of the board of directors, and a member of the Nominating and Governance Committee of Ault Global (NYSE:DPW) Mr. Ash was a director of Net Element, Inc., (NASDAQ-NETE) from June 13, 2016, through July 13, 2020, serving as Chairman of both the Audit and Compensation committees, as well as the Nominating and Governance Committees during his tenure. He served as Chief Operating Officer of BioCard Corporation from 1997 to 2007. He served as Chief Operating Officer of CITA Americas, Inc. from 1996 to 1997. Mr. Ash served as Chief Executive Officer of the high profile IEDC Marketing, Inc. from 1992 to 1996. Mr. Ash currently serves on the Advisory Board of the UK-based E2Exchange, the Institute of Entrepreneurs, since 2011, and is the only non-UK citizen holding that position. Mr. Ash served from 2009 to 2014 in senior development and strategic capacity for One Laptop Per Child, a global NGO created to provide educational opportunities providing laptops to the world's poorest children. Prior Chairmanships include 2009 through 2012 term for the Sturge Weber Foundation, a non-profit organization dedicated to curing this rare but fatal syndrome affecting children. Previously, Mr. Ash was an Advisory Board Member to Edge Global Investment Limited which forged a strategic partnership with the Africa Forum, consisting of 37 former Heads of State and Government. Mr. Ash started an interest-free micro-loan society in 1987 that has provided more than $15 million in micro-loans throughout the United States and Israel. In 1999, Mr. Ash founded the Circle of Life Resource Center, Inc., a food bank in Miami, Florida that feeds several hundred families per week. Howard earned a Bachelor of Commerce degree, with Honors in Accounting and Law from the University of Witwatersrand (South Africa) in 1980. He continues to strive to leverage relationships on a personal and business level to create meaningful added value synergies.

Job Titles:

• Chief of Business Development for Greyledge
• Chief of Corporate Development, BOARD of Directors

Jim Johnston serves as Chief of Business Development for Greyledge, reporting to the CEO with responsibility for the company's overarching strategy, including long-term planning, global business and corporate development, and strategic investments, acquisitions and divestitures. Mr. Johnston has spent the past 21 years advising and investing in companies across a variety of industries and sizes. He has significant experience in financing, mergers and acquisitions, strategic execution and board level decision making. Jim was an investment banker at Goldman Sachs from 2000-2008 in Mergers and Acquisitions and Financial Sponsor Coverage. He left as a Vice President and joined Nexphase Capital Partners (FKA Moelis Capital Partners) in 2008 where he ultimately ran the Industrials Group as a Partner. In 2018, Mr. Johnston left Nexphase and founded Emerald Lake Advisors in order to focus his energy on investing and advising small entrepreneurial companies. Mr. Johnston serves on the board of directors of the Red Fox Community School and as a board observer of Jame Rollform Products. He received a BS in Commerce with Distinction from the University of Virginia in 1991 and was commissioned as a Naval Officer through the ROTC program. After graduating Nuclear Power School and Prototype he served as a submarine officer and is a qualified Naval Nuclear Engineer. After his separation from the Navy, he received his MBA from Harvard Business School in 2000. Mr. Johnston is married with three sons and volunteers as a basketball and baseball coach in his local community.

Job Titles:

• Member of the Scientific Research and Development Team
• Senior Scientist

Lucija Zenic, PhD has joined the Greyledge Technologies team as a senior scientist to reinforce translational research and contribute to the company's vision of regenerative medicine. As a molecular biologist (University of Zagreb, Croatia) holding a PhD in immunology (University of Gothenburg, Sweden), she had worked for years as a public healthcare scientist in the field of translational medicine, successfully implementing new diagnostic methods into clinical practice while running molecular diagnostics and genetic lab. Having worked and published in the field of stem cell-based regenerative medicine, she holds experience in immunophenotypic characterization of regenerative cells with therapeutic application and understands the crucial importance of fully profiling such therapeutics in order to complete mechanistic and functional explanations. Ultimatively, she seeks to couple new techniques and protocols for advancing and customizing patient biologic preparations in the context of personalized regenerative and genomic medicine.

Job Titles:

• VP of Operations

Mark D. Kitchen recently joined the Greyledge Technologies team as the Director of Operations. Mark will help establish and lead many of our logistics, quality, and supporting processes as Greyledge Technologies expands its' services throughout the United States. Mark is a former US Army Lieutenant Colonel where he served in a wide range of assignments including Battalion Commander. Upon returning to civilian life, he was instrumental in domestic and international leadership roles for semi-conductor tool manufacturing firm Celerity, Inc. (Austin, TX), including Plant Manager of the company's start-up facility in Kuala Lumpur, Malaysia. Mark was the Director of Operations and Material Management with Celling Biosciences (Austin, TX) for eight years before establishing consulting firm Kitchen & Associates (Houston, TX). Mark received his Master's Degree from The US Army Command and General Staff College at Fort Leavenworth, KS. He also has a B.A. in Business Administration from Texas A&M University at Texarkana, TX.

Dr. Michael Cushing graduated with a degree in chemistry from Indiana University, in Bloomington, Indiana. While there, he was on the men's swim team and was named Academic All-Big Ten Scholar Athlete in 1990 and 1991. He received his medical training from the Medical College of Georgia and completed his orthopedic surgery residency at the Atlanta Medical Center (formerly Georgia Baptist Medical Center). His athletic background and interest in anatomy inspired him to choose orthopedics as his specialty. After his residency, he also completed a shoulder fellowship at the Hughston Clinic in Columbus, Georgia, which involved extensive training in shoulder surgery and sports medicine. He has a particular interest in treating shoulder injuries, ranging from arthroscopic instability repair and rotator cuff repair, to total shoulder replacement. Dr. Cushing also served on the faculty at the Orthopaedic Learning Center in Chicago, Illinois, teaching advanced arthroscopic and open shoulder surgery techniques to other orthopedic surgeons. Dr. Cushing is one of the only surgeons in Coweta and Fayette counties to perform the reverse total shoulder replacement. The reversed shoulder is one of the newest advancements in shoulder surgery. He also specializes in sports medicine and practices general orthopedics as well. Dr. Cushing was born in Chicago, Illinois, and moved with his family to Atlanta when he was 14 years old. He lives in Fayetteville with his wife and children. He is an avid sports enthusiast and enjoys boating, water sports, scuba diving, and snow skiing. Dr. Cushing is board-certified and on staff at Piedmont Newnan Hospital, Piedmont Fayette Hospital, and Cancer Treatment Centers of America in Newnan. Education Medical College of Georgia Doctor of Medicine

Job Titles:

• Director of Strategy and Innovation

Mr. Bedford graduated from Tulane University in 1978 receiving a Bachelor of Science in Engineering; graduated from Harvard University in 1991, receiving a Master in Public Administration degree from the John F. Kennedy School of Government; and, from Georgetown University in 1998 where as a Moreau fellow he received a Master in National Security Studies from the Walsh School of Foreign Service. He is also a seminar graduate of the National Defense University School for Information and Resources Management in Washington DC and a 2000 graduate of the Harvard University School for Senior Executive Fellows in Cambridge, MA.

Dr. Cunningham served as the Chief of Surgery at Vail Valley Medical Center for 8 years. His physician colleagues at Vail Valley Medical Center awarded him the Clinical Excellence Award for outstanding orthopedic work using the latest surgical techniques.

Job Titles:

• Research Institute

Job Titles:

• Member of the American Academy of Orthopaedic Surgeons

Steven Singleton, M.D., brings more than two decades of experience in sports medicine and orthopedic surgery to Fort Worth Orthopedics. He spent years in association with the world-renowned Steadman Clinic in Vail, Colo., and received his fellowship training in sports medicine there. He was also a founding member of the Steadman Hawkins Clinic of the Carolinas sports medicine fellowship program. Dr. Singleton is certified by the American Board of Orthopaedic Surgery and is a Liberty Fellow, Class of 2008, and member of the Aspen Institute Global Leadership Network. During his career, Dr. Singleton has taught and done research with over 25 sports medicine doctors and surgeons from around the world. His range of athletic team physician coverage includes the Texas Rangers and Colorado Rockies professional baseball clubs, the United States Ski and Snowboard Association teams, and multiple universities such as The University of Texas at Arlington and USC Upstate. In addition, he has provided orthopedic consultation and surgery to U.S. Olympic organizations and their athletes as well as to several international football clubs and players. Dr. Singleton has authored or co-authored nearly 50 articles and multi-media presentations in orthopedic research. His knowledge and research have earned him recognition by the American Society of Orthopaedic Sports Medicine in the areas of cartilage restoration and advances in the microfracture technique, and investigations into the deterioration of the hip joint in the baseball athlete. His practice is focused on the non-operative and operative treatment of upper and lower extremity injuries and disorders. He is also known for his unique approaches to the treatment of scar tissue and arthrofibrosis, a condition of joint stiffness common around the knee and elbow. His special interests include the use of biologics preparations and scaffolds such as PRP, and bone marrow aspirate concentrate to augment the healing of degenerative or injured tissues. Dr. Singleton is a member of the American Academy of Orthopaedic Surgeons, American Board of Orthopaedic Surgery and American Orthopaedic Society for Sports Medicine. Education University of Texas Southwestern Medical School Medical Degree

Dr. Turner completed his medical training at the University of Texas Southwestern Medical School before completing an internship in General Surgery at the University of California San Francisco. He then completed his residency in Physical Medicine and Rehabilitation at the University of Alabama at Birmingham. While there he was selected to be a student researcher on ACL injuries with the American Sports Medicine Institute. After residency, Dr. Turner had the privilege to spend 4 years working with Dr. James Andrews at the Andrews Orthopedics & Sports Medicine Institute. While there, he regularly treated a wide range of professional, collegiate, and amateur athletes. However, he is most proud of his role in caring for our nation's Special Operators, by whom he is continually humbled with their enduring commitment to courage and sacrifice. Dr. Turner was born in Dallas, TX where he learned about team sports as the captain of his football team and was honored with All-Conference, All-State, and All-Decade Team awards. His zeal for excellence in both academics and athletics led him to the University of Notre Dame where he majored in a dual degree program in Science-Business. While there, he was strongly influenced by the legacy of service by Dr. Tom Dooley, who inspired him to perform medical work in Mexico, Haiti, Guatemala, and Swaziland. The challenge of delivering high quality care in austere environments would later lead him to a fellowship in Wilderness Medicine. Dr. Turner is passionate about healthcare entrepreneurship, and he serves as both an advisor and strategic partner to numerous start-ups focused on disruptive innovation in medicine. He has a focus on commercialization of university and government lab intellectual properties, and he enjoys working as a national speaker at events which emphasize building high performing teams. When not working, he enjoys spear fishing, hiking, adventure racing, camping, and spending time with his wife and daughter. Education University of Texas Southwestern MD University of Alabama at Birmingham

Job Titles:

• President of the Board of Directors

Zoe Karli, our President, and a Director, officially joined the Greyledge executive team in 2019. She graduated from the University of Virginia via a Navy ROTC scholarship in 2005, served active military duty, and then transitioned into the world of business, working with both seasoned and start-up companies. She is a seasoned medical, biotechnical, and direct sales professional, with expertise in sales, e-commerce, distributorship, and operations. She has held territory leadership roles in pharmaceutical sales with Novartis, 2006-2009, medical device sales with Depuy Spine, and in conjunction co-developed a successful private distributorship managing independent contractors for multiple product lines within medical device, pharmaceuticals, cosmetic and dental specialties, 2009-2017. She then began working behind the scenes with Greyledge Technologies to officially assume a Directorship role in 2019.