Pete Duvendack


About Pete Duvendack :

Pete is a founding partner in IWIRC and IWIN and has been involved in Occupational Health and Rehabilitation since 1995. He began his career in Public Accounting in 1981 after graduating from Illinois State University with degrees in Accounting and in Economics.Throughout the course of his career, Pete has acquired significant experience in developing strategic plans, primarily to start-up organizations. He is responsible for providing leadership to position IWIRC and IWIN at the forefront of the industry, and for developing strategic plans to advance the company’s mission and objectives while promoting revenue, profitability, and growth as an organization. Pete also oversees operations to ensure production efficiency, quality, service, and cost-effective management of resources.


Michael Davis, MBA


About Michael Davis, MBA :

Michael has spent more than 17 years working in the field of Worker’s Compensation / Occupational Health during which time he has operated multiple medical and rehabilitation facilities geared towards meeting the needs of employers and employees. He is co-founder of IWIRC (2003) and IWIN (2013) and leads the clinical operations at both facilities. Michael spearheads the strategic intermediate and long-term planning for both IWIRC and IWIN and continues to provide consulting and educational services to area employers.


Marc Wyckoff, PT, Cert. MDT

Director of Industrial Rehab Services, IWIRC

About Marc Wyckoff, PT, Cert. MDT :

As a graduate of Saint Louis University and a McKenzie Institute credentialed clinician (, Marc specializes in rehabilitation of work-related orthopedic injuries. He has spent the majority of his career

treating injured workers and has appeared before the industrial commission as an expert witness. Marc also serves as a job-site analysis consultant for employers and as a legal counsel for claimants and respondents.

Chelsea Hart, PA-C

Physician Assistant

Chelsea is a Washington, IL native and has been with IWIRC since early 2014. She received an Applied Health Science bachelor degree from the University of Illinois with a major in Kinesiology and a minor in Chemistry before moving on to Rosalind Franklin University of Medicine & Science in Chicago where she was awarded a Physician Assistant masters degree. Chelsea brought valuable orthopaedic experience with her when she joined the Occupational Health team at IWIRC.


Adam Haight

Director, Business Development

Adam has lived in the Peoria area since 2005. After graduating from Iowa’s Wartburg College with a Bachelor’s Degree in Public Relations, he worked in the Admissions office at Bradley University before starting at IWIRC in 2008. Adam’s strengths in public speaking and networking have served him well in his position as Director of Business Development. “I have the opportunity to interact with new people every day and to continue to build relationships with existing clients, many of whom have been established since IWIRC opened their doors in 2003. I love working with new companies to ensure that their employees receive the best occupational health services available here at IWIRC.”