John Gregory, mechanical coordinator in HDR’s Phoenix architecture studio, has 28 years of experience in medical gas systems design and inspections, process piping, plumbing and fire protection systems design for multiple business classes. He coordinates projects with HDR’s clients, and he supervises team members on plumbing, process piping, fire protection and medical gas systems. John is a certified medical gas inspector NITC 6020. He serves on the NFPA 99 Technical Committee for piping and installation, and he is a co-chair of the P.I.P.E. Medical Gas Committee in Arizona. He can be reached at john.gregory@hdrinc.com.