Greg Creighton

Greg Creighton, PE, LEED AP started their work experience in 1988 as a Design Engineer at ACCO Engineered Systems. Greg later became the Engineering Manager at ACCO from 1996 to 1998. In 1998, they worked as the Chief Engineer at Kinetics. From 2000 to 2006, Greg was a Field Project Manager at ACCO Engineered Systems. In 2006, they established their own company called XStreamline, Inc. In 2007, they joined XL Construction as a Senior MEP Coordinator. In 2015, Greg held the position of Owner and President at California Commissioning Authority, Inc. In the same year, they also started working as the Corporate Engineering Manager at United Mechanical, and later became the Quality Control Director in 2019. Throughout their career, Greg has worked on various aspects of mechanical engineering and construction management, specializing in HVAC, plumbing, process piping, and control systems in commercial, institutional, and industrial applications.

Greg Creighton, PE, LEED AP obtained a BSME degree in Mechanical Engineering from California Polytechnic State University-San Luis Obispo from 1983 to 1988. Prior to that, they attended California State University, Northridge from 1981 to 1983. Greg also holds additional certifications including OSHPD Class A Inspector obtained in March 2008, LEED Accredited Professional BD+C obtained in June 2008, and Professional Engineer obtained in June 1991.