Dargan was raised in Florence, SC and attended Clemson University prior to his attending the Physical Therapy Program at the Medical University of South Carolina (MUSC). He graduated from MUSC with a B.S. in Physical Therapy in 1981 and completed his Masters in Health Sciences in 1982. His work experience includes providing patient care and consulting in settings including outpatient, hospital, home health, medical equipment sales and rental and industrial. He is certified by Isernhagen Work Systems for performance of Functional Capacity Evaluations, Pre-Work Screening and Functional Job Analysis. His work interests include rehabilitation of orthopaedic and industrial injuries, TMJ disorders and work injury prevention programs. He has been with Atlantic Physical Therapy since 1991 and in 1998 began in the capacity of Director of Administration ,Client Services. Dargan has been active in the South Carolina and the American Physical Therapy Association (APTA) since graduation from MUSC. He has served as Treasurer of the S.C. Physical Therapy Association and has served three terms as S.C. Delegate to the APTA Annual House of Delegates. He is currently on the South Carolina Board of Physical Therapy Examiners, having served for five years as Board President. On the national level, Dargan is currently the Treasurer of the Federation of State Boards of Physical Therapy. The FSBPT provides support and resources to physical therapy licensing boards throughout the United States and it's territories.