Executive Team

Currently serving as Exactech’s President & CEO, Johnson joined Exactech in 2002 and has since held several executive-level leadership roles with the company. As President, Johnson oversaw all of Exactech’s business units, as well as its Human Resources and Information Technologies functions. Previously, he led the company’s Extremities business. Over his time at the company, Johnson has built and led cross-functional, global teams of orthopaedic surgeons, product managers, engineers, and sales professionals. Prior to joining Exactech, he spent five years in the investment banking industry.

Johnson received a bachelor’s degree from Brown University and studied Economics at Oxford University.

Tony Collins was named Chief Financial Officer at Exactech in October 2022. Collins joined Exactech from Xenter, Inc., a medical device and data start-up, where he was also CFO. Prior to Xenter, he had an 11-year career at Zimmer Biomet, where his last role was as Group Chief Financial Officer with responsibility for strategic and financial planning, business development, accounting, and internal controls for the company’s global business units.

His experience includes additional financial leadership positions at Zimmer Biomet, such as Vice President, Finance; Corporate Controller and Chief Accounting Officer; and Vice President, Finance for Global Operations and Supply Chain. He also held several executive leadership positions with Guidant/Boston Scientific, including Chief Financial Officer of Guidant Japan.

Donna H. Edwards has served as the company’s General Counsel since 2010 and was named Senior Vice President of Legal in January 2020. Donna Edwards joined Exactech in 2001 and has served in various leadership roles, including corporate attorney, interim compliance officer and vice-president of Legal. Previously, Donna served in the company’s Regulatory Affairs group.

Donna H. Edwards received a Bachelor of Science from Duke University and a J.D. from the University of Alabama.

Dr. Sharat Kusuma was named Chief Strategy Officer & Chief Medical Officer at Exactech in May 2022 and is a board-certified and fellowship-trained orthopaedic hip and knee surgeon. He joined the company in December 2018 to serve as the company’s medical director and lead the advanced surgical technologies business.

Prior to Exactech, Kusuma was a senior engagement manager for the global consulting firm, McKinsey & Company, where he led projects for multiple Fortune 500 medical device and pharmaceutical clients. Most recently, Kusuma was a senior member of Apple’s health team at their world headquarters in Cupertino, Calif., where he led health projects and collaboration with Zimmer Biomet and other companies. Prior to embarking on his career as physician business leader, he was the clinical and research director for OhioHealth, a health system based in Columbus, Ohio. In this capacity, he led the large total joint replacement services at Grant Medical Center, including managing an active clinical practice of more than 400 surgeries a year.

Kusuma studied medicine and business at Vanderbilt University and completed orthopaedic surgery training at the University of Pennsylvania School of Medicine, Rush University Medical Center and Queens Medical Centre in the United Kingdom.

Stacey Fedorka was named chief information officer at Exactech in January 2020. Prior to joining Exactech, Fedorka held executive management positions in four global, multi-billion-dollar corporations, responsible for leading digital business transformations and technology innovations aimed at driving competitive advantage and profitable growth. Recently, she served as vice president of information technology at AFL and ERIKS in the telecom manufacturing, telecom services, industrial manufacturing and wholesale distribution industries. Within Ansaldo STS USA, Fedorka led one of the company’s three business units in addition to serving as CIO.

In recognition of her business acumen, leadership style and innovative approach in the deployment of information technology, Fedorka was named Pittsburgh “CIO of the Year” in 2017 and 2008 by the Pittsburgh Technology Council and Greater Pittsburgh CIO Council. She has served on numerous advisory boards and is a frequently requested speaker and panelist at CIO summits, events and conferences across the country.

Fedorka earned a Bachelor of Arts from Indiana University of Pennsylvania and a master’s degree from the University of Pittsburgh. In addition, she holds multiple certificates in executive leadership.

Dale Wolf joined Exactech as Chief Operations Officer in January 2024. Prior to Exactech, he served in a number of leadership roles with NuVasive and GE where he was responsible for supply chain and field logistics, distribution, manufacturing, quality assurance, international operations and the implementation of continuous improvement programs.

Wolf holds a bachelor’s degree in mechanical engineering from the University of Wisconsin-Madison and a Six Sigma Green Belt certification.

Adam Hayden was named chief marketing officer at Exactech in September 2020. Prior to joining Exactech, Hayden held various marketing, sales management, engineering and leadership roles for more than 20 years, primarily at orthopaedic companies. Recently, he served as senior vice president of Sales and Marketing at Conformis with responsibility for global sales and marketing, product management, reimbursement, market access, corporate communications and medical education. Prior to his role at Conformis, Hayden held various senior marketing positions at Smith & Nephew and DePuy Orthopaedics, which is now DePuy Synthes.

Hayden received a Bachelor of Science in Mechanical Engineering from Cornell University, a Master of Business Administration from the University of Colorado and a Master of Science in Biomedical Engineering from the University of Michigan. In addition, Hayden served as a Captain in the United States Army.

Chris Roche was named Sr. Vice President of Extremities at Exactech in July 2021. He joined the company in 2003 and has designed and developed numerous medical devices since that time, including the Equinoxe® Platform Shoulder System, the fastest-growing shoulder arthroplasty system in the world since 2004.

Roche received a bachelor’s degree in biomedical engineering from Mercer University, master’s degree in Biomedical Engineering from the University of Kentucky and master’s in business administration from the University of Florida. He has authored more than 100 manuscripts, nine book chapters and one ASTM testing standard, in addition to presenting more than 250 posters/podiums across the world. He is also listed as an inventor on more than 10 issued US patents and applications.

Laurent Angibaud was named vice president of Advanced Surgical Technologies Development at Exactech in January 2020. He joined the company in 2004 to design and develop numerous medical devices, including the Optetrak®, Optetrak Logic® and Truliant® total knee systems, as well as the company’s flagship technology, ExactechGPS® guided personalized surgery. He has served in various leadership roles in the Engineering and Development over the years. He has been listed as an inventors on more than 150 patent applications worldwide. Also, he has authored numerous manuscripts and regularly presents his developments at scientific conferences across the world.

Angibaud received a degree in mechanical engineering from the National School of Engineers of Tarbes (ENIT, France).

Matt Brzozowski was named Vice President of U.S. Sales in August 2023. He first joined Exactech in 2018 as a Regional Vice President following a successful 16 years at Zimmer Biomet working in a number of sales and product management capacities.

Brzozowski received his Bachelor of Arts in Business from DePaul University in Chicago, and his Master of Business Administration from the University of St. Francis in Ft. Wayne, IN.

Matt Collins joined Exactech in March 2024 as Vice President of Quality Assurance. Prior to joining Exactech, Collins spent the last 10 years as the VP of Global Quality at Integra LifeSciences and NuVasive. His expertise is in implementing robust quality systems, and resolving regulatory challenges both in the U.S. and with international governing authorities.

Collins received a bachelor’s degree in Molecular Biology from the University of Wisconsin-Parkside, followed by an MBA from Marquette University and MS in Data Science from Bellevue University. He also holds a doctorate degree in Business Administration, Healthcare and Leadership from California Intercontinental University.

Nicolas Hohl joined Exactech in 2006 and currently serves as Vice President, International Sales and Market Development.

He started with Exactech as a knee engineering intern and quickly grew into leadership roles within the company during his tenure. He currently focuses on leading Exactech’s international sales and marketing operations to drive sales while working to continually strengthen customer relationships.

Hohl is based in France and holds a Diplôme d’ingénieur in mechanical engineering with a secondary focus on audit and management.

Cassy Morgan joined Exactech as Vice President of Human Resources in January 2023. Prior to Exactech, Morgan held leadership roles in medical device and life science companies like HCA Healthcare, RTI Surgical, Ology Bioservices and AavantiBio.

She has a proven track record in strategic direction and operational oversight for all Human Resources functions, especially organizational development, and championing a diverse, inclusive, empathic and engaging culture.

Andy Zeltwanger joined Exactech as the Vice President of Regulatory Affairs in July 2022.  Prior to Exactech, Zeltwanger held various regulatory, quality, manufacturing, and leadership roles in both large and small medical device companies, including Philips Healthcare, Rinovum Women’s Health, and Medrad.

Zeltwanger received a Bachelor of Science in Physics from The Pennsylvania State University and a Master of Science in Bioengineering from the University of Pittsburgh. In addition, Zeltwanger served as a Captain in the United States Army Reserve, deploying multiple times in support of Operation Iraqi Freedom.

Dr. Miller co-founded Exactech in 1985 with orthopaedic surgeon Bill Petty, MD, and his wife Betty Petty. He served as the company’s Innovation leader since its inception and continues in an advisory role today, following his October 2021 retirement and transition to Emeritus status.

Miller received a Bachelor of Science in Mechanical Engineering degree from the University of Florida (UF), a Master of Science in Mechanical Engineering from Massachusetts Institute of Technology and a Doctor of Philosophy in Mechanical Engineering (Biomechanics) from UF. Gary is a UF Distinguished Alumnus and served as associate professor of Orthopaedic Surgery and director of Research and Biomechanics at the UF College of Medicine from July 1986 until August 1996. He also served as an adjunct associate professor in the Department of Aerospace, Mechanics and Engineering Sciences at UF from 1995 until 2010. Miller is a member of many professional societies including the Orthopaedic Research Society, the Society for Biomaterials, and the American Society of Mechanical Engineers. He currently serves on the Board of the Cade Museum for Creativity and Invention and UF’s Wertheim College of Engineering Dean’s Advisory Board, the external advisory boards for UF’s J. Crayton Pruitt Department of Biomedical Engineering, and the Department of Mechanical and Aerospace Engineering, where he is appointed as courtesy professor.