DESIGN-BUILD EVOLUTIONS LLC
TULSA, OK

Barry J. Williams serves as our Chief Executive Officer and President and brings to the company more than 15 years of professional experience in the Oral & Maxillofacial and Medical industries. Barry holds a Bachelor’s Degree of Psychology from the University of Oklahoma. He currently speaks nationally about Oral and Maxillofacial Surgery topics such as Practice Transitions, Office Design, and Information Technology. Dave Hibbard, President of Practice Evolutions brings to the company more than 17 years of professional experience in the Healthcare industry. Dave holds a Bachelor’s Degree in Health and Sports Sciences from the University of Oklahoma. Outside of the office Dave enjoys spending time with his wife and 3 children, as well as golf and staying active. Gert-Jan Zwemstra is our CFO and contributes his financial and business management skills to the company. Gert-Jan has more than 25 years of experience in Finance, IT, Commercial and Consulting roles within Energy, Chemicals and Consumer Goods industries. He holds a Master of Economics from the University of Brussels. He likes operating at the intersection of Finance, IT, Business Management and Process Optimization. Away from the office, Gert-Jan enjoys college football and sampling new wines. We're confident in the level of service and quality of work we provide our doctors.