Jon Hettinger, PE, LEED-AP (BD+C), is a Senior Director in Tishman Speyer’s Design & Construction group. He has over 29 years of design and construction-related experience, specializing in large central utility systems for commercial and campus environments, and has performed or managed commissioning and retro-commissioning activities for 20 commercial buildings totaling over 14 million square feet. He holds a Bachelor of Science in Mechanical Engineering from Rensselaer Polytechnic Institute.