Erin Day Email & Phone Number
Director, Communities, Energy and Infrastructure @ Guidehouse
5 free lookup(s). No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
Erin Day Location
- Denver, CO, US
Erin Day Work
- Director, Communities, Energy and Infrastructure @ (March 2026 - Present)
- Associate Director, Energy, Sustainability and Infrastructure at Guidehouse @ (March 2022 - April 2026)
- Managing Consultant, Energy, Sustainability and Infrastructure @ (September 2020 - March 2022)
- Senior Consultant; Energy, Sustainability and Infrastructure @ (June 2018 - August 2020)
- Supplier Engagement Advisor @ (August 2021 - Present)
- Energy and Sustainability Project Manager @ (August 2015 - March 2018)
- Project Manager, Energy Efficiency and Sustainability Consulting @ Luthin Associates (February 2013 - July 2015)
- Intern, The Earth Institute @ (May 2012 - August 2012)
- Intern @ (January 2012 - June 2012)
- Intern-Permaculture Design @ Punta Mona Center for Sustainable Living and Education (June 2011 - July 2011)
- Analyst - Institutional Securities Group @ (July 2010 - June 2011)
- Summer Analyst @ (June 2009 - August 2009)
- Intern @ Taylor Rafferty Investor Relations (May 2008 - August 2008)
Erin Day Education
- Columbia University
M.S. (Sustainability Management)
2011-2013 - Loyola University Maryland, The Joseph A. Sellinger S.J. School
B.B.A. (Finance Major, Mathematics Minor)
2006-2010 - The American University of Paris
Semester Abroad
2008-2008
Erin Day Skills
- Climate Change
- Corporate Social Responsibility
- Energy
- Energy Efficiency
- Energy Management
- Energy Policy
- Environmental Awareness
- Environmental Policy
- Policy Analysis
- Project Management
- Renewable Energy
- Research
- Strategic Planning
- Sustainability
- Sustainability Consulting
- Sustainable Business
- Sustainable Development
Erin Day Summary
- Erin Day, based in Denver, CO, US, is currently a Director, Communities, Energy and Infrastructure at Guidehouse. Erin Day brings experience from previous roles at Guidehouse and Supplier Leadership on Climate Transition. Erin Day holds a 2011 - 2013 M.S. in Sustainability Management @ Columbia University. With a robust skill set that includes Climate Change, Corporate Social Responsibility, Energy, Energy Efficiency, Energy Management and more. Erin Day has 2 emails and 3 mobile phone numbers on RocketReach.
Looking for a different Erin Day?
Find contact details for 700 million professionals.
Others Named Erin Day
Erin Day
Head of Marketing
Australia
Erin Day
Director, Communities, Energy and Infrastructure
Denver, CO, US
Erin Day
Manufacturing Operations Engineer
Oxford, MA, US
Top Guidehouse Employees
Kimberly Zurliene
Partner
McLean, VA, US
Ronald White
Chief Information Officer
Durham, NC, US
Jerron Smith
Senior Vice President
McKinney, TX, US
Lisa Robenseifner
Partner
McLean, VA, US
Ted Eich
General Counsel
Vienna, VA, US
Bob Pavlak
Partner
McLean, VA, US
Julio Santiago Haag
CIO Data and AI Lead - Director
Severna Park, MD, US
Shannon King
Sr. Vice President
Glendale, AZ, US
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co