John Dumler

John is responsible for the design and engineering of DC BLOX data centers and for the oversight of their construction, commissioning, operations, and sustainability.

Prior to joining DC BLOX, Dumler served as the Director of Energy and Engineering for Digital Realty, where he led both strategic and tactical initiatives including operational energy efficiency and engineering effectiveness across a global portfolio of over 200 data centers. John has also made significant contributions in data center engineering at INAP and Hewlett Packard Enterprise.

John holds a B.S. in Mechanical Engineering from Clarkson University and is a licensed Professional Engineer. A transplant from New England, he now lives in Atlanta with his wife and two tween daughters. When not working, John can be found shuttling his girls to Lacrosse, thinking about playing golf, or driving to Home Depot to purchase another tool he really doesn’t need for a home project he should have hired a professional to do.