Christopher Lin joined Advita as Chief Legal Officer in November 2025, bringing 20+ years’ experience as a corporate attorney, M&A professional and operations executive.

Prior to joining Advita, Lin served as Chief Administrative Officer and General Counsel at Pristine Surgical. He brings a broad range of expertise overseeing all matters related to legal, compliance, corporate governance, FDA matters, litigation, risk management, and corporate development. Lin also spent six years with Arthrex as Deputy General Counsel & Director of Corporate Development where he built and led the corporate development function, managed sales agency contracts, and advised executives on complex legal and regulatory matters.

Lin graduated Magna Cum Laude with an Artium Baccalaurei (A.B.) from Washington University in St. Louis and a Juris Doctor (J.D.) from University of Michigan Law School.

Richard J. Friedman, M.D. FRCSC was named Chief Medical Officer at Advita in July 2025 and is a board-certified and fellowship-trained orthopedic surgeon.

Prior to joining Advita, he served as chief of shoulder and elbow surgery and professor of orthopedic surgery at the Medical University of South Carolina in Charleston, and an adjunct professor of bioengineering at Clemson University.

Dr. Friedman received his M.D. degree from the University of Toronto Faculty of Medicine and completed residencies in surgery at Massachusetts General Hospital and in orthopedic surgery at the Harvard combined orthopedic residency program in Boston. He also completed a clinical fellowship in surgery at Johns Hopkins University School of Medicine in Baltimore as well as clinical fellowships in surgery and orthopedic surgery at Harvard Medical School in Boston.

Andy Zeltwanger joined Advita Ortho as the Vice President of Regulatory Affairs in July 2022.  Prior to joining the company, 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.

Matt Collins joined Advita Ortho in March 2024 as Vice President of Quality Assurance. Prior to joining the company, 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.

Laurent Angibaud was named Senior Vice President of Advanced Surgical Technologies Development at Advita Ortho in January 2025. 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, GPS^® 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).

Adam Hayden was named Chief Marketing Officer at Advita Ortho in September 2020. Prior to joining the company, Hayden held various marketing, sales management, engineering and leadership roles for more than 20 years, primarily at orthopedic 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 Orthopedics, 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.

Dale Wolf joined the company as Chief Operations Officer in January 2024. Prior to Advita Ortho, 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.

Stacey Fedorka was named Chief Information Officer in January 2020. Prior to joining Advita Ortho, 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.

Chris Roche was named Senior Vice President of Extremities at Advita Ortho 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, a master’s degree in Biomedical Engineering from the University of Kentucky, and a master’s in business administration from the University of Florida. He has authored more than 150 manuscripts, ten book chapters and one ASTM testing standard, in addition to presenting more than 300 posters/podiums across the world. He is also listed as an inventor on more than 17 issued patent families. In 2025, Roche was elected into the prestigious American Institute for Medical and Biological Engineering College of Fellows.