Greg had been designing, fabricating and fitting custom prosthetics and orthotics since 1990. He worked as prosthetic and orthotic technician at facilities in Fairfax, Alexandria, Reston and Fredericksburg, Virginia while attending Northern Virginia Community College. He obtained his Registration/Certification as a Technician of Prosthetics in 1995, BOC Prosthetist certification in 1997, ABC Prosthetist certification in 2004, and BOC Orthotist certification in 2010. He understands the complexity of gait analysis and unique applications to improve the quality of life of his patients of all age groups.