Greg Tinkler is an experienced professional in mechanical engineering and sustainable energy systems, currently serving as Regional Vice Chair and Chair of TC 7.3 at ASHRAE since July 2021, as well as holding the role of Secretary for the TC on Exergy. Tinkler is a Principal and Mechanical Engineering Director at Page Southerland Page, Inc., and has a strong leadership background with the ASHRAE Houston Chapter, where notable positions included Past President and Board of Governors member. Past experiences include advisory roles at the International Ground Source Heat Pump Association and leadership positions focused on sustainable systems at KCI Technologies, Inc. and Redding Linden Burr Consulting Engineers. Tinkler initiated a career in the US Army and has earned degrees from various institutions, highlighting a solid educational foundation in HVACR and utility equipment.