Duc Bui is an expert in the electrification of healthcare facilities. A leading provider of electrical engineering solutions and an innovator in using low voltage DC power for LED lighting, he holds a US Patent on Direct Current Power Delivery System. Duc specializes in healthcare facilities and pharmaceutical facilities with a strong presence in California serving large corporations such as Kaiser Permanente, Abbott Vascular, Tenet, University of California Irvine, and the University of Southern California.

Duc established DPB Engineers in 1997 and built a team specializing in healthcare facilities. He built a strong reputation founded on responsive service and quality work for high-performing facilities and for passion, care and dedication to patient care. In June of 2022, DPB merged with Salas O'Brien expanding engineering services for the healthcare sector. Duc continues as a leader breaking barriers and creating innovation--including the design of the first hospital with DC lighting and Microgrid with on-site power generation that enables the hospital to fully function during loss of utility power.

Duc participated as a co-presenter for the Microgrid design and installation for various National Healthcare Conferences and served as a content expert on various electrical technical conferences.