BIOVISION DIAGNOSTICS - Key Persons


Brian O'Malley

Job Titles:
  • Commercial Advisor & Consultant
Brian O'Malley has over 25 years of global health care experience from Fortune 500 companies to startups. His career ranges from Novartis Pharmaceuticals to IMS Health where he ran sales and marketing across 14 countries while living in Singapore. At start-up MediGuide, his responsibilities included all Global Sales and Marketing functions. He received his undergraduate degree from the University of Wisconsin and an MBA from Pepperdine University. Brian joins Biovision Diagnostics to provide strategic guidance and feedback insight on the commercialization of our products and services.

Dan Minnich - CEO, President

Job Titles:
  • Chief Executive Officer
  • President
  • CEO of Aegis Rehabilitation Consulting Services
As CEO of Aegis Rehabilitation Consulting Services, Dan has over 25 years of experience in assisting small to large blue-chip companies manage and control their injury and workers' compensation costs. He has developed key concept approaches to early intervention of recordable injuries as well as transformative triage and treatment of soft tissue injuries. Dan's proprietary software is driving the industry to be responsive in real-time to injured employees' injury and health and is helping define how its customers treat and pay for injuries & workers' compensation costs. Under Dan's leadership, Aegis Rehabilitation Consulting Services has been able to scale its model on a national basis, growing to 50 corporate and field employees including top talent in business management, case management, and industrial specialists. His transformative vision and implementation saves customers $3-$5 million annually in healthcare costs, wages, replacement services, and service interruption costs. The company's safety program is best-in-class and they are awarded competitive contracts by virtue of their safety performance. Dan spends most of his time mentoring and working with his 9 children ranging from 30 to 10! What does that look like? Hunting, fishing, camping, volunteer & mission work, playing music, coaching sports, doing carpentry… and praying.

Dennis C. Griebel - CFO

Job Titles:
  • Chief Financial Officer
With over 30 years of experience as a CPA and CFO across several industries, Dennis brings a broad wealth of strategic knowledge, financial expertise, and healthcare management to our team. Prior to joining Biovision Diagnostics, Dennis was Chief Financial Officer of two laboratories - Envision Health Lab, a full-service clinical and pathology lab; and Essential Testing, a national toxicology lab that he helped grow to $25 million in revenue. In both roles, Dennis led all accounting, finance, risk management, IT, human resources, payroll, medical billing, and investor relationship functions, as well as all financial projections and long-range planning. Prior to Essential Testing, Dennis was Chief Financial Officer and Chief Operating Officer for a growing advertising and marketing firm for over nine years. As a member of the Senior Management Committee, he established company policies and strategic direction for the company, while leading all accounting, financial reporting, budgeting, forecasting, cash management, debt covenant compliance, risk management, human resources, and employee benefits areas. Dennis twice received the President's Award of Excellence. He also participated in the transition from private ownership to a private equity company, selling at a multiple of EBITDA above current market conditions. When he's not crunching numbers and growing successful companies, Dennis enjoys spending time with his two adult children.

Dr. Kevin J. Dolehide

Dr. Dolehide provides comprehensive care to patients with a wide range of gastrointestinal disorders, including irritable bowel syndrome (IBS) and gastroesophageal reflux disease (GERD). Along with treating common digestive diseases, he also specializes in complex conditions like inflammatory bowel disease (also known as Crohn's disease and ulcerative colitis) and liver diseases, such as cirrhosis, hepatitis, and hemochromatosis.

Dr. Stephanos Rizos

Job Titles:
  • Obstetrics & Gynecology Specialist
Dr. Rizos is an Obstetrics & Gynecology Specialist practicing in Northwest Indiana and the state of Florida. He has over 30 years of experience in the medical field as a board-certified OB/GYN and is a fellow with the American College of Obstetricians and Gynecologists. Dr. Rizos graduated from Indiana University School of Medicine medical school in 1991 and completed his residency at Blodgett Memorial/St. Mary Medical Center, affiliated with Franciscan Health. In his spare time, Stephanos enjoys playing the piano and saxophone. And in the summer months, he likes to ride his motorcycle or get out on the lake for some boating fun with his family.​

Mark Manion

Job Titles:
  • Executive Vice President, Marketing
Mark brings to our team more than 25 years of marketing experience as an award-winning Creative Director of national ad campaigns for some of the world's most beloved brands, such as McDonald's, Nike, Coca-Cola, and Anheuser-Busch. Mark's broad experience in the healthcare industry includes the development of integrated brand campaigns for hospital networks, health insurance providers, diagnostic imaging centers, and specialty diagnostic lab testing. Prior to joining BDx, Mark was Founder/Creative Director of his own creative consultancy, following 12 years with H&L Partners as SVP, Executive Creative Director managing the creative output of five regional offices. Prior to H&L, he was Creative Director at GSD&M in Austin, leading campaigns for brands such as AT&T, the PGA Tour, and United Healthcare. Mark's campaigns have been recognized by international creative award shows, featured in industry trade publications, and covered by national news media. When he's not chasing after the next big marketing idea, Mark can be found chasing after the seven amazing humans and three large dogs that he affectionately calls his family.

Mark Steinberg

Job Titles:
  • Executive Vice President, Commercial Operations
With 20+ years of national sales and marketing experience in diagnostics and life science research, Mark has consistently led his teams to deliver precision account management across the hospital, physician offices, urgent care, biotech, and academic customer segments. Most recently, Mark was with Sartorius Corporation leading sales for the Midwest and Canadian life science market. Prior to that, he was with Leica Biosystems, where he developed and drove the national launch of their clinical distribution business and led the Midwest sales team in driving high-end clinical pathology instrumentation. His vast experience includes new and innovative diagnostic instrumentation and software sales within the laboratory, critical care, emergency department, and surgical units within the clinical setting, as well as live-cell imaging equipment within the research market. Mark brings diversified sales excellence, broad customer experience, and solid client relationships to our leadership team at Biovision Diagnostics.

Mary Mayo

Job Titles:
  • Laboratory Director
  • Labratory Director
Dr. Mayo has over 20 years of clinical laboratory experience, including 15 years in laboratory medicine education and laboratory directorship as well as several years in the In Vitro Diagnostics industry. Her expertise includes clinical chemistry and immunology, clinical toxicology, hematology, coagulation, and molecular biology. Mary has completed training in IVDR and Risk Management and is Board Certified by the American Board of Clinical Chemistry as a Clinical Chemist; by the American Board of Bioanalysis as a Bioanalyst Clinical Laboratory Director; and by the American Society for Clinical Pathology as a Medical Technologist. When she's not busy running a laboratory, Mary enjoys reading, traveling, spending time with family, and spoiling her four grandchildren.

Mike Buhle - Chief Commercial Officer

Job Titles:
  • Chief Commercial Officer
Mike comes to Biovision Diagnostics with over 20 years of experience in healthcare diagnostics in both the clinical and life science market segments. Experienced in both National and Global roles, Mike has led business development growth and customer excellence for leading organizations in the fields of Genomic Medicine, Acute Care Diagnostics, Anatomic Pathology, Oncology, Image Analysis Software, Digital Pathology, Molecular Biology, and Biomedical Engineering. Along the way, Mike has launched several new innovative technologies that have become standard of care for multiple testing platforms. Recent roles include Vice President of Sales for North and South America at Congenica, leading a successful Series-C raise while doubling year-over-year revenue. Prior to that, Mike spent seven years with Danaher Corporation working in their diagnostics division in various leadership roles building sales teams and driving profitable revenue growth in North America. During this time, Mike managed cross-functional commercial teams covering a large portfolio of diagnostic platforms. Mike brings a wealth of experience, credibility, and many strong customer relationships to our leadership team at Biovision Diagnostics. When he does find time to get away, Mike enjoys getting outside with his wife and three kids in the Chicago neighborhood that they have proudly called home for the last 10 years.

Vince Ojeda - CEO

Job Titles:
  • Chief Executive Officer
  • Healthcare Executive
Vince Ojeda is a seasoned healthcare executive with over 25 years in the healthcare industry in various leadership capacities. With his background and expertise primarily in the laboratory segment, Vince has launched several laboratories from the ground up, including a toxicology firm, a women's health testing company, and several specialty test labs in physician office settings. Prior to founding Biovision Diagnostics, Vince established Biovision Clinical Solutions, a consulting and distribution firm designed to help medical practices, urgent care centers, and laboratories find economic efficiencies and grow their current offerings with long-term, revenue-producing tests, devices, and services. Vince is a member of the American Association of Clinical Chemistry and has been invited to speak at several local and national medical conferences on a variety of healthcare topics. In 2012, Vince was selected as one of the prestigious "40 Under 40" by the St. Louis Business Journal and received the "Top Young Entrepreneur" award by Small Business Monthly. He mentors young entrepreneurs in several high school CEO programs, is the President of the Board of Directors of Curtain's Up Theater Company and volunteers his time with children in youth sports and education. In his spare time, Vince enjoys working out, training, fitness-related activities, camping, outdoor adventures and creating lifelong family memories.