TONN AND BLANK CONSTRUCTION - Key Persons


Amanda Wolf

Job Titles:
  • Project Architect
Project Architect As an architect, Amanda works closely with the client to pinpoint exactly what they are looking for, and leads the design process of creating functional spaces, from concept to full realization. Amanda's favorite thing about working at Tonn and Blank is being able to solve problems for clients with careful consideration and creative solutions. In her spare time, she enjoys traveling, attending concerts, and going on hikes with her family.

Andrew Stetler

Job Titles:
  • Quality Manager
Andrew is a quality manager so he tends to look at things through a different lens. He has his AWS Certified Welding Inspector and Certified Radiographic Interpreter qualifications, ISO 9001 lead auditor, NFPA CFI and CFPE and many other accomplishments and certifications. He has been in construction and quality management for almost 23 years and mainly on our hospital and laboratory projects.

April Brown

Job Titles:
  • Process Improvement Manager
April is a Process Improvement Manager and in her role she analyzes the value stream of a process and leads teams with the tools and training to optimize internal processes by reducing time spent on non-value-added tasks, streamlining workflows, maximizing software usage and eliminating waste. " My awesome coworkers are what makes working at Tonn and Blank the best place I have ever worked. They are professional, knowledgeable, the best in the industry and I am always learning something new from them that helps me be better at everything I do," April stated. She loves spending time with her family, but her "me time" consists of gardening and hiking national parks. Being outdoors and breathing in the fresh air helps her unwind, and brings her closer to God.

Cassie Carlson

Job Titles:
  • Marketing Manager
Cassie is an accomplished marketing professional with a passion for the construction industry. With her creative mindset and strategic approach, she is consistently driving growth and enhancing brand recognition for Tonn and Blank. In her current role as a Marketing Manager, Cassie leads development of comprehensive marketing strategies, collaborating with cross-functional teams to ensure alignment with business goals. Her ability to understand the company's target audience, identify market trends, and leverage digital platforms has helped her deliver results. As an avid adventure-seeker, you can find her immersing herself in Lake Michigan or exploring local venues for live music when she's off the clock.

Cathy Ackil

Job Titles:
  • Design Associate
Design Associate Cathy has been an integral part of our Design + Engineering department for over 30 years. She assists our team of architects and engineers in putting together proposals, construction documents, drawings and more. This department has run like a well-oiled machine thanks to Cathy's due diligence. "Working at Tonn and Blank allows me to be involved in interesting, creative projects that better the lives of the people in the communities we serve. I like being part of that." In her free time, she enjoys hiking in the many parks around the area and spending time with her family.

David Dyer

Job Titles:
  • Project Manager
  • Vice President - Northeast Indiana / Vice President of Design Services / Vice President of Design Services
  • Vice President - Northeast Indiana Region
Dave manages Tonn and Blank Construction's Northeast Indiana Office. Dave also serves as the project manager during both design and construction for Northeast Indiana projects. From superintendent to project manager to Vice President, Dave has been involved with more than $300 million dollars of construction. He is a demonstrated leader with an excellent track record of delivering projects that exceed the performance criteria for cost, schedule and quality. He enjoys traveling with his family and discovering new breweries and distilleries.

Dene Dresch Nidiffer

Dene is pleased to be a member of the Program Management team where her focus is all things Interior Design. Whether she is working with various interior design professionals or executing project needs on her own, her focus is to manage expectations and budgets for facility designs, standards, furniture, linens, artwork and signage for our projects. Dene's favorite thing about working at Tonn and Blank is seeing a vision of so many come to reality. She loves working on large projects because it's satisfying to know that our team has enhanced the places people work, play, heal and live. No day is alike, and she says she is never bored! She has been married 35 years to the love of her life David, has a daughter in college, loves spending time with friends, and she is always up for a good adventure.

Donna M. Hovey

Job Titles:
  • Leasing Manager
As Leasing Manager at Tonn and Blank Construction, Donna provides leasing oversight to the medical office portfolio with over 2 million square feet, and approximately 90 buildings located in Central, Western, Northern Indiana and south suburban Chicago. She works closely with VP of Real Estate as well as regional Franciscan healthcare leadership teams, she assists with leasing and lease administration needs across the Corporation which includes negotiations for Franciscan leased space plus third-party tenants and regional real estate systems. She is a licensed real estate broker in Indiana.

Emily Sheahen

Job Titles:
  • Project Architect
  • Project Architect / Assistant Operations Manager / Assistant Operations Manager
Emily came to Tonn and Blank with 15+ years' experience in architectural design. She has a strong background in tenant improvements and interior buildouts, as well as conceptual design and 3D renderings. Emily is a strong advocate in keeping up to date with technology and pushing the boundaries with new programs and 3D modeling. "Being a part of a company that is so well-known and respected in the region is great. Everyone knows about Tonn and Blank and knows how vital we are to the communities we build in. I love our commitment to giving back. Our team is always trying to make the world a better place." Emily has a passion for running. She has participated in countless marathons and half marathons and help organize her local running club. Emily is a craft beer enthusiast and has been a loyal Chicago Cubs fan since birth!

Eric Wise

Job Titles:
  • Member of the Leadership Team
  • Vice President - Central Indiana Region
For over a decade, Eric Wise was our Director of Safety and Quality, ensuring that safety and quality are the cornerstones of everything we do. Policies, procedures, training, and inspections are components of what we do but fostering a culture of safety and quality beyond compliance is what we do. Recently, he has been promoted to Vice President of our Central Indiana location. Eric's favorite thing about working at Tonn and Blank is our commitment to our customers, subcontractors, and our employees. Outside of work he enjoys traveling and spending time with family and friends. He loves to go to sporting events (his son's baseball, basketball, and football); the Cincinnati Reds, Indiana Pacers, Indianapolis Colts, and Cincinnati Bengals are his favorite teams. He also loves hunting and shooting sports and has a reputation for being an amazing cook on the smoker!

Gary Kostbade

Job Titles:
  • Vice President of Finance
Gary is a seasoned finance professional with over 30 years of experience in the construction industry. As Vice President of Finance, Gary plays a pivotal role in managing the financial operations and strategic planning that drive our organization's success.

Jacob Wheeler

Job Titles:
  • Director of Safety
Jake has been a part of the Tonn and Blank safety team for over two decades. He was recently promoted to the Director of Safety, which means he will continue to spearhead safety initiatives to keep our teams safe, but he will be focused on the bigger picture. Jake enjoys spending time with his wife and children. When he's not working, he loves fishing and cooking - he's getting every penny out of his Blackstone grill. "It truly feels like a second family here. Loyalty means a lot to me, and this company has always shown that from the top down." Jake stated.

Jeff Chapman

Job Titles:
  • Director of Field Operations
Jeff enjoys spending time with his family and new grandson. In his spare time, he is an avid hunter and takes trips to Michigan for snowmobiling. Bringing over 25 years of experience, John leads the preconstruction phase of all projects, paying close attention to the unique needs of our clients. He enjoys traveling on his motorcycle across the country.

Jen Watts

Jen has been working with Tonn and Blank for 18 years as an Electrical Engineer, MEP Coordinator, and Virtual Construction Coordinator. She loves the everyday challenges and experiences that come with working at Tonn and Blank. There have been multiple large jobs Jen has been able to work on.

Jessica Taylor

Job Titles:
  • Real Estate Manager
As Real Estate Manager, Jessica's role focuses on the operations of non-hospital locations. She works with landlords to make sure that all of the Medical Office Buildings are being maintained as best as possible. Jessica's favorite thing about working at Tonn and Blank is that everyone is willing to answer any question and help you out. It is a very collaborative environment and if someone doesn't have the answer, they are willing to help you find it. In her free time, Jessica teaches dance a couple nights a week during the school year. Part of this includes choreographing dances for shows throughout the year. Throughout college and post-college, her choreography has been selected to compete in several competitions and earlier this year one of her pieces won first place!

John Stalbaum

Job Titles:
  • Director of Preconstruction

Jon A. Gilmore - CEO, President

Job Titles:
  • CEO
  • Member of the Leadership Team
  • President
With over 35 years of experience, Jon has worked on commercial and non-profit projects of all sizes and complexities, including major medical centers, university additions, and manufacturing headquarters. An experienced design engineer, project manager and owner's representative, Jon has overseen Tonn and Blank's growth into one of the Midwest's most vital and sought-after firms spearheading more than $2.5 billion in projects. With an MBA from the University of Notre Dame and a bachelors in civil engineering from Purdue University, Jon led Tonn and Blank as they won five Project of the Year awards from the Construction Advancement Foundation and twice as Contractor of the Year.

Ken Catellier

Job Titles:
  • Vice President of Real Estate
As VP of Real Estate, Ken helps to align real estate with the Sister of St. Francis Healthcare Mission. He advises and advocates for Sisters of St. Francis in all of their real estate transactions by coordinating with Franciscan Legal and Franciscan Risk Management. In his spare time, Ken likes to hang out with his four dogs and learn to play the ukulele. He also enjoys swimming and still competes in swim meets and open water swims.

Maggie Tortolano

Job Titles:
  • Senior Program Manager
As the Senior Program Manager, Maggie develops capital budgets, leads the design process, and represents the client during the projects. She also coordinates work with consultants and facilitate staff participation and support. "Developing relationships with hospital leaders, users, support staff, and outside consultants is vital in order to gain their trust and work as a team. Working as a TEAM is key to a successful project!" Maggie stated. Maggie's favorite thing about working at Tonn and Blank are the people and the challenges encountered on a daily basis that she has an opportunity to learn from. In her spare time, Maggie loves spending time with her family, traveling, everything Disney related (Goofy is her favorite), cheering on her son as he plays sports, watching the Chicago Bear and Bulls, and she loves baking!

Martin A. Roesli

Job Titles:
  • Senior Program Manager
As a Senior Program Manager, Martin carries the responsibility for the entire project package. This includes managing the teams, budget, schedule, and FF&E. "I am honored to lead the design and construction to build hospitals for a Godly-based institution," Martin stated. Martin loves spending time with his family at his homes in southern Indiana and in Switzerland. He also enjoys hiking in the mountains and relaxing on the beach.

Matt Weller

Job Titles:
  • Member of the Leadership Team
  • Vice President - Western Indiana
  • Vice President of Western Indiana Region
  • VP of Western of Western Indiana Region
As VP of Western of Western Indiana Region, Matt oversees operations that align with company processes, from helping develop business opportunities, preconstruction, project management, and field operations. The thing Matt likes the most about working at Tonn and Blank is our flexibility to offer solutions for clients through real estate, program management, in-house design, construction management, self-performance, and off-site construction. In his spare time, Matt loves spending time with his family and watching his son play baseball.

Megan Wheeler

Job Titles:
  • Human Resources Manager
Human Resources Manager Megan is always finding new ways to help Tonn and Blank; whether it's benefits administration, recruitment efforts, or employee relations, her role is to focus on Tonn and Blank's greatest assets, the employees. Her favorite part about working for Tonn and Blank is seeing the hospitals we build and knowing she played a small part in providing healthcare to those in our community. She is constantly astounded by what our field employees can build. Megan is very family oriented and loves spending time with them. She has a toddler that keeps her very busy in the best possible way!

Noe Fernandez

Job Titles:
  • Assistant Operations Manager / Human Resources Manager
Assistant Operations Manager Noe brings a fresh perspective to the operations department with his ‘outside of the box' thinking. "I love that Tonn and Blank supports it's employees and wants everyone in the company to grow as one." In his free time, he enjoys spending time with his family and volunteering for the Boys & Girls Club.

Robbie Brundige

Job Titles:
  • Vice President of Design Services
Vice President of Design Services Robbie holds a Master of Architecture from the University of Illinois and is a licensed architect in both Illinois and Indiana. In his 25 years of experience, Robbie has led various design-build projects in healthcare, higher education, mixed-use, multi-family and recycling and waste industry markets. As a former athlete (track and basketball), he leads our Design Services department with a team-orientated approach. Born and raised in East Chicago, Robbie married his high school sweetheart, and together they have three children.

Roger Knaggs

Job Titles:
  • Vice President of Program Management
As the VP of Program Management, Roger's primary role is to lead and mentor the Program Management team as we work to assist our healthcare clients with achieving their strategic objectives in concert with their facility renewal and development needs. Roger's favorite thing about working at Tonn and Blank is working collaboratively with our internal team resources, our outside consultants, and our clients to find optimal facility solutions to complex operational challenges and growth needs. He enjoys spending his time traveling to see friends and family, open road cycling, and sailing.

Tim Lentz

Senior Program Manager As a Senior Program Manager, Tim works with Franciscan Health leadership and stakeholders to align the needs of the organization with practical program solutions. He then guides these solutions from concept to closeout, to assure the end result meets all of the program requirements. Tim enjoys the atmosphere of continual improvement at Tonn and Blank and loves taking on the challenges that we are always eager to tackle. Outside of work, he loves spending time with his wife and sons, traveling, and exploring. He also enjoys working with his hands. Tim always has a few projects he is working on at home.