John Gregory, is a reserved, laid-back, and open-minded senior plumbing designer with top-notch technical know-how. He specializes in plumbing and medical gas-related initiatives for facility systems upgrades and renovations for Henderson Engineers and Henderson Building Solutions. For more than 30 years in the architecture, engineering and construction (AEC) industry, Gregory has thrived with focus and discipline on projects. Specializing in healthcare, he’s worked on everything from hospital replacements to labs to outpatient facilities and everything in between. A certified medical gas inspector, he serves on the NFPA 99 Technical Committee on Piping Systems and on the Phoenix chapter committee of P.I.P.E. Gregory’s experience, knowledge and communication skills make him an asset to clients. He can be reached at John.Gregory@hendersonengineers.com.