Meet the Team Behind the TOC Team

TOC Leadership

Aaron J. Guyer, M.D. - Managing Physician Partner

Aaron J. Guyer, M.D. is the Managing Physician Partner of Tallahassee Orthopedic Clinic. He has led the TOC group of over 20 Physicians, Physician Assistants and Nurse Practitioners since he was elected to his position in January 2019.

As Managing Physician Partner, Dr. Guyer leads oversight of clinical quality assurance and improvement, and extensive interfacing with clinic providers and administration.

Dr. Guyer earned his medical degree at the State University of New York at Buffalo School of Medicine and Biomedical Sciences and completed his residency training at the University of Michigan Health System. He has been a part of TOC since 2007 and is board-certified in orthopedic surgery and specializes in foot and ankle surgery. Dr. Guyer is in practice at our Main Clinic located off Capital Medical Blvd. 


Kelby H. Tardi, CPA - Chief Financial Officer

Kelby H. Tardi is Chief Financial Officer of Tallahassee Orthopedic Clinic. She was elected to her current position in June 2008. 

As Chief Financial Officer, Mrs. Tardi leads the organization’s financial strategy and operations, including the audit, financial reporting, shareholder relations, planning and analysis, tax functions, as well as oversight of the finance functions of the company. 
Prior to her current position, Mrs. Tardi was controller, a position she held starting in April 2003. Mrs. Tardi joined Tallahassee Orthopedic Clinic in 1999. 

Prior to joining Tallahassee Orthopedic Clinic, Mrs. Tardi served as Senior Accountant at Williams, Cox, Weidner and Cox CPA’s, which is now CRI - Carr Riggs and Ingram in Tallahassee.

A native of Tallahassee, Mrs. Tardi graduated from Florida State University with a Bachelor of Science degree in accounting and a Bachelor of Science degree in finance. Mrs. Tardi is a Certified Public Accountant.


Mark D. Didier, MBA - Chief Executive Officer

Mark Didier was elected the Chief Executive Officer of Tallahassee Orthopedic Clinic in July 2015 after an extensive nationwide search. Mr. Didier is returning to Florida after spending 30 years away from his east home.

As Chief Executive Officer, Mr. Didier is responsible for providing leadership, strategic vision and for directing the overall management, operations and future growth of Tallahassee Orthopedic Clinic.

Prior to joining Tallahassee Orthopedic Clinic, Mr. Didier served as Chief Executive Officer for Southern Orthopedic Surgeons in Montgomery Alabama. Mr. Didier has over 33 years of experiences in healthcare as a Healthcare Administrator, including 12 years focused in orthopedic care.

Mr. Didier attained his Bachelor’s degree from Auburn University in Health Services Administration and received his Master’s in Business Administration from Columbia Southern University. Mr. Didier is also a Certified Laboratory Technician and retired from the Coast Guard Medical Corps with over 22 years of service. 


Timothy J. Goody, MHA, CMPE - Chief Operations Officer

Timothy Goody was elected the Chief Operations Officer of Tallahassee Orthopedic Clinic in January 2018 after an extensive nationwide search. 

As Chief Operations Officer, Mr. Goody is responsible for the operational performance of the organization and is responsible for project development and the implementation of patient care.

Prior to joining Tallahassee Orthopedic Clinic Mr. Goody served as the Chief Operating Officer for Eastern Iowa Health Center with over 10+ years' in healthcare administration and management.

Mr. Goody attained his Bachelors of Science degree in finance and Mater’s in Healthcare Administration from the University of Iowa. He also received his Certified Medical Practice Executive designation through the American College of Medical Practice Executives. He has 12 years of military service between both the Army and Navy. In the Navy, he served in dual roles as the Chief Mater at Arms and Administrator of Clinic Operations.