Katherine Hammack

President and CEO at E Cubed Optimizers

Currently, Katherine is an Executive Director in EY’s Performance Improvement Services, focusing on Government and Public sector services. Prior to joining EY, Katherine was the Chair and CEO of E Cubed Optimizers, an energy, environment and economics consulting firm. Katherine Hammack was sworn in as Assistant Secretary of the Army for Installations, Energy and Environment (ASA IEE) in June of 2010 where she was responsible for policy and oversight of all Army bases worldwide. She served in this role for over six years through the end of the Obama Administration. Before joining the Army, Hon Hammack worked for Ernst & Young in their climate change and sustainability services. With over 35 years of experience in energy, sustainability and infrastructure operations, she has worked with clients worldwide on their resiliency strategies. Hon Hammack earned a Bachelor’s of Science in Mechanical Engineering from Oregon State University and received her MBA from the University of Hartford
 
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