Our Team | Executive Team

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Dr. Peter F. Armstrong

Chief Medical Officer

In January of 2013, Dr. Armstrong joined OrthoPediatrics as the first, full-time Chief Medical Officer of the company. He received his medical degree from the University of Western Ontario in 1972. His orthopaedic residency was done at the University of Toronto followed by a pediatric orthopaedic fellowship with Dr. Robert Salter at The Hospital for Sick Children in Toronto. Following his fellowship, in 1982, he joined the orthopaedic staff at The Hospital for Sick Children in Toronto but spent the first two years doing orthopaedic research at the University of Pennsylvania. In 1991, he then became Chief of Staff of Shriners Hospitals for Children Intermountain (Salt Lake City). In 2000, he was selected as Chief Medical Officer of the 22 Shriners Hospitals and moved to the Headquarters in Tampa. At the end of June 2012, he became the Chief Medical Officer - Emeritus.


David Bailey


David (Dave) Bailey joined OrthoPediatrics in 2007 and has held many roles during the organization’s start-up and initial growth. He currently serves as President, with oversight of International Sales & Distribution, Operations and New Product Development. Prior to joining OP, Dave worked as a sales representative and distributor for Smith & Nephew Orthopaedics. During his tenure with Smith & Nephew, he achieved great success, growing sales from $1.3 to $4.8M. He is a two-time inductee into Smith & Nephew’s “Ortho Elite” and was recognized as a President’s Club honoree in 2005 and 2006. Dave holds a BS in Sales and Sales Management from Purdue University, where he was the President of the Pi Sigma Epsilon Honor Fraternity.


Joel Batts

Senior Vice President of Science & Technology

Joel Batts joined OrthoPediatrics in 2020 as Sr. VP Science & Technology, with responsibilities for identifying and securing technologies that advance care for kids. His industry experience includes Exactech, Wright Medical, Sanuwave, and Zimmer Biomet. Joel founded Telos Partners in 2016 to build a life sciences consulting firm that now serves a broad range of firms seeking commercialization of their technologies. He has published works in journals such as the American Journal of Sports Medicine, American Journal of Orthopaedics, Wounds and has led forums within the Johnson & Johnson innovation network (JLabs). Joel’s involvement in M&A activities spans foot and ankle, osteoporosis, wound care, and spine, overseeing key areas of investment and integration. Joel earned a BS in exercise science from the University of Florida and an MA in bioethics and health policy from Loyola University Chicago Stritch School of Medicine.


Dan Gerritzen

General Counsel & VP of Legal and Human Resources

Daniel (Dan) Gerritzen has served as OrthoPediatrics’ General Counsel since January 2009. He is primarily responsible for providing legal advice and counsel for the Company. Gerritzen is also responsible for engaging and managing the services of outside counsel retained on an as-needed basis, and serves as the Company’s Secretary. Gerritzen brings more than fifteen years of experience across a broad spectrum of the legal profession, including civil litigation that focused largely on product liability and business disputes, and serving as the national outside counsel for state and local government contract procurement for a global technology company. Prior to joining OrthoPediatrics, Gerritzen was a partner with Bingham Greenbaum Doll LLP in Indianapolis, where he remains Of Counsel. Gerritzen holds a BS in Marketing and Juris Doctorate from Indiana University.


Fred Hite

Chief Financial Officer & Chief Operating Officer

Fred Hite is currently OrthoPediatrics’ Chief Financial Officer & Chief Operating Officer, joining the Company in February, 2015. Prior to joining OrthoPediatrics, Mr. Hite spent over ten years as the CFO and Investor Relations Officer of Symmetry Medical, a NYSE listed publicly traded company. During his time at Symmetry Medical, the company completed an Initial Public Offering (IPO), a secondary offering and nine acquisitions. Prior to Symmetry Medical, Mr. Hite spent thirteen years with General Electric in a variety of financial positions and areas including commercial, manufacturing, sourcing and services. Hite earned his Bachelor of Science degree in Finance from Indiana University. He has been actively involved with Junior Achievement for over 15 years and spent over five years as the local President of the Board of Directors for Junior Achievement.


Joe Hauser

Senior Vice President & General Manager - Trauma & Deformity Correction

Joe Hauser, a Pittsburgh, PA native, obtained a Bachelor’s degree in Kinesiology and Exercise Science (ATC) from John Carroll University. During his first few career opportunities, he pursued a Master’s Degree in Business Administration (MBA with Marketing focus) from Capital University. Joe has 13 years of medical device experience where he held various leadership roles with DJO Global, Biomet (Trauma) and Zimmer (Trauma). Currently, he leads the Trauma and Deformity Correction business at OrthoPediatrics.


Greg Odle

Executive Vice President

Greg currently serves as the Executive Vice President of Commercialization, with oversight of the domestic selling organization, marketing and sales training & education. He joined OP in 2007 and has held various leadership positions throughout the company’s history. Greg brings 23 years of industry experience. Prior to joining OP, Greg held various sales roles for Smith & Nephew - ultimately becoming District Manager for Indiana and Kentucky. In that position, he achieved sales growth from $5M to $22M and led a team of 25 sales professionals with oversight of operations and logistics. Odle holds a BS in Marketing from the IU Kelley School of Business, where he was active in the IU Student Foundation and Sigma Nu Fraternity. He has continued his professional education through leadership programs with The Aji Network and Gap International, where he is actively engaged in the Executive Mastery program.


Mark Throdahl

Chief Executive Officer

As OrthoPediatrics’ Chief Executive Officer, Mark Throdahl is responsible for the strategic, operational, and financial performance of the Company. Mr. Throdahl is a former Group President of Zimmer, a worldwide leader in orthopedic implants, and brings a wealth of knowledge to the company through his successful experience as an operating executive, both domestic and internationally in the medical device, diagnostic, and pharmaceutical sectors. From 2001 to 2007 he served as Chief Executive of Consort Medical plc in London. During a 13‐year career at Becton Dickinson Co., he served as Senior Vice President of BD’s international organizations, President of the Drug Delivery Sector, and President of Nippon Becton Dickinson in Tokyo. He began his career at Mallinckrodt Group. Mr. Throdahl is a graduate of Princeton University and has a MBA from Harvard Business School.


Mark Karshner

Senior Vice President of International Sales

Mark is responsible for sales and commercial operations for the International business at OrthoPediatrics. Mark joined OP in 2013 as Vice President of Sales for Europe, the Middle East and Africa while based in Amsterdam, the Netherlands before becoming Senior Vice President for International Sales in 2016. He has more than 20 years of Medical Device and Pharmaceutical experience including as Business Manager for Asia Pacific at Smith & Nephew based in Shanghai, China and domestic sales leadership roles with S&N, Bioventus and Sanofi-Aventis. Mark is a graduate of Ohio University with a Bachelor of Science from Scripps College of Communication.

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