Keith Sampson, Senior Vice President, Energy Services

Keith Sampson, Senior Vice President, Energy Services

Email: ksampson@competitive-energy.com

Phone: X256

Keith Sampson joined Competitive Energy Services in 2007 as a Business Development and Account Manager. With more than 17 years of experience in the power and energy business, he currently assists commercial, educational, and industrial customers in New England with their energy needs.

Over the course of his 14 years at CES, Keith has built and managed a team of energy services professionals who collectively advise and help deliver millions of dollars in savings and cost avoidance for clients, and who have grown CES’ business and expanded the value-added services the company provides to all of its clients.

Through Keith’s leadership, the CES team has worked with five of the six New England state universities – Vermont, Maine, Massachusetts, Rhode Island, and Connecticut on energy projects, strategies, and communications. Keith and his team of Energy Services Advisors also help manage every aspect of energy and sustainability initiatives for some of the largest and most prestigious private colleges and universities in the northeast.

In addition to his extensive knowledge of the higher education space, Keith has a strong aptitude and knack for helping industrial manufacturing companies manage costs and optimize operations by carefully modeling and implementing a dynamic energy strategy.

Prior to CES, Keith was the Northeast Regional Manager at Rochester Midland Corporation and was recognized for his innovation in helping clients reduce their overall energy costs, specifically implementing and monitoring programs to reduce energy costs in boiler and HVAC operations. Before that, he served as a Senior Account Manager-Strategic Accounts at GE Betz (formerly BetzDearborn), specializing in providing consulting expertise and cost reduction strategies to large commercial, institutional, and industrial customers. He was the two-time recipient of the BetzDearborn Chairman’s Award for Energy Reduction.

Zac Bloom, Vice President, Head of Sustainability and Renewables

Zac Bloom, Vice President, Head of Sustainability and Renewables

Email: zbloom@competitive-energy.com

Phone: X258

Zac Bloom joined CES in 2012 and is the Vice President, Head of Renewables & Sustainability. He primarily consults with universities and large commercial customers on energy procurement strategies as well as utility tracking and budgeting. In addition to commodity procurement services, Zac assists clients with sustainability consulting such as greenhouse gas accounting, climate action planning, renewable energy procurement, and energy master planning. Prior to joining CES, Zac worked for almost a decade as a fully licensed professional in the investment banking and financial services industries. He received his master’s degree from the University of Massachusetts Amherst. His research was focused on energy benchmarking and data visualizations for large data sets associated with building resource consumption profiles. Zac also co-manages some of the firm’s largest educational client accounts and oversees all the CES efforts in renewable energy and sustainability.


Sandy Beauregard, Director of Sustainability Services

Sandy Beauregard, Director of Sustainability Services

Email: sbeauregard@competitive-energy.com

Phone: X274

Sandy Beauregard joined CES in 2021 as the Director of Sustainability Services. She assists clients with sustainability consulting such as greenhouse gas accounting, climate action planning, renewable energy procurement, and energy master planning. Prior to joining CES, Sandy worked as a sustainability and energy efficiency professional in the higher education sector. She received her master’s degree from the University of Massachusetts Amherst and has bachelor’s degrees in engineering and environmental policy from Dartmouth College and Colby College.

Charlie Agnew, Managing Director of Energy Services

Charlie Agnew, Managing Director of Energy Services

Email: cagnew@competitive-energy.com

Phone: X400

Charlie Agnew joined CES in June 2013 as Account Manager & Business Development. In 2020, Charlie was promoted to the role of Managing Director of Energy Services. Charlie works with a range of CES clients managing various energy commodity procurement strategies, energy budgeting and variance tracking, sustainability services, and demand response agreements. Prior to joining CES, he was Vice President/Technical Sales at Biomass Commodities Corporation, where he gained seven years of experience in the biomass energy sector. Over the past two years, Charlie has focused on supporting a group of CES’ Maine clients into the state’s net energy billing program. This work has led CES in this space and given clients an opportunity to retain significant financial and environmental benefits over the next twenty years. Charlie has a B.S. in Finance from the Rochester Institute of Technology and enjoys outdoor activity and work around his farm in Cumberland, Maine.

Chris Brook, Director of Natural Gas & Energy Services

Chris Brook, Director of Natural Gas & Energy Services

Email: cbrook@competitive-energy.com

Phone: X255

Chris Brook has more than 21 years of experience in the energy business, currently holding the title of Director of Natural Gas & Energy Services. At CES, Chris is responsible for natural gas scheduling, nominations, and balancing. He also provides administrative oversight for contract negotiations with pipelines, local distribution companies, and marketers. Before joining CES in 2009, Chris worked for Webber Energy, where his responsibilities included commercial account management, marketing, and market research. He has a B.A. from Ohio University in Business and an MBA from the University of Maine.

Larry Pignataro, Associate Manager & Senior Energy Services Advisor

Larry Pignataro, Director of Strategic Partnerships & Senior Energy Services Advisor

Email: lpignataro@competitive-energy.com

Phone: X255

Larry Pignataro joined CES as an Energy Services Advisor in June of 2017 and was promoted to Director of Strategic Partnerships & Senior Energy Services Advisor in 2022. He has experience in the energy sector, specifically related to heating fuels supply, pricing, and logistics. Larry’s responsibilities at CES include client account management, development of new business, and assisting with preparations for client deliverables related to analysis, reporting, and presentations. He holds a B.S. and MBA from Plymouth State University.

Zack Hallock, Energy Services Advisor

Zack Hallock, Senior Energy Services Advisor

Email: zhallock@competitive-energy.com

Phone: X204

Zack Hallock joined CES in January of 2019 as an Energy Services Advisor and was promoted to Senior Energy Services Advisor in 2022. Prior to CES, Zack worked with major utilities on large scale transmission and midstream operations to provide appropriate staffing services. Currently, Zack closely advises demand side management and procurement strategies, budgeting, variance tracking, and various forms of renewables integration into an energy portfolio. He has a B.A. in Economics and Environmental Studies from St. Lawrence University and is also a LEED Green Associate.

Larry Pignataro, Associate Manager & Senior Energy Services Advisor

Maggie Paul, Energy Services Advisor

Email: mpaul@competitive-energy.com

Phone: X262

Maggie Paul joined Competitive Energy Services in 2021 as an Energy Services Advisor. She works with a mix of procurement and full-service clients and provides support on commodity pricing and analysis for fellow ESAs. Prior to joining CES, Maggie worked with the MA Clean Energy Center in Cataumet, MA and the Regional Environmental Council in Worcester, MA, developing energy strategies for local establishments and organizations. She holds both a B.A. in Geography and a Master of Business Administration from Clark University.

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