Email: ksampson@competitive-energy.com
Keith Sampson joined Competitive Energy Services in 2007 as a Business Development and Account Manager. With more than 20 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 17 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.
Email: zbloom@competitive-energy.com
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.
Email: cagnew@competitive-energy.com
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.
Email: sbeauregard@competitive-energy.com
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.
Email: cbrook@competitive-energy.com
Chris Brook has more than 25 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. Additionally, Chris manages a portfolio of client energy supply agreements and renewals. Chris enables our clients to achieve their energy and sustainability goals. 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.
Email: lpignataro@competitive-energy.com
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. Larry works with a range of CES clients managing energy commodity procurement strategies, energy budgeting and variance tracking, and sustainability services. He has more than 10 years' experience in the energy sector, specifically related to heating fuels supply, procurement, pricing, and logistics. Larry's responsibilities at CES include client account management, development of new business, strategic partnerships, and assisting with preparations for client deliverables related to analysis, reporting, and presentations. He holds a B.S. and MBA from Plymouth State University.
Email: zhallock@competitive-energy.com
Zack Hallock joined CES in January 2019 as an Energy Services Advisor and was promoted to Senior Energy Services Advisor in January 2022. With a strong background in energy and utility operations, he previously provided strategic staffing for major utilities on large-scale transmission and midstream pipeline projects. Zack is passionate about building long-term relationships with clients and industry partners, ensuring they have the insights and support needed to navigate the evolving energy landscape in the Northeast and other deregulated energy markets. In his current role, Zack manages some of the company’s larger customers while simultaneously driving business growth through strategic energy procurement, demand-side management, budgeting, and variance tracking. He is actively engaged with AIM (Associated Industries of Massachusetts) and AFE (Association of Facilities Engineers) to strengthen partnerships, support local businesses, and foster networking opportunities for young professionals in the region. With a keen focus on the fast-paced changes in energy markets, Zack anticipates shifts in generation fleets and state clean energy policies that impact large end users on an annual basis. He advises clients on integrating renewable energy solutions into their portfolios while navigating regulatory and market changes.
Email: dclougherty@competitive-energy.com
Declan Clougherty joined Competitive Energy Services in 2024 as an Energy Services Advisor, where he helps clients navigate the complexities of energy procurement, risk management, and sustainability initiatives. With a background in data analysis and strategic operations, Declan develops tailored energy strategies that align with clients’ financial and sustainability goals. He provides key insights into procurement planning, contract management, and market trends, ensuring clients make informed, cost-effective decisions. Declan holds a B.S. in Business Administration from Georgia Tech with a concentration in Strategy and Innovation and a minor in Law, Science, and Technology.
Email: dlong@competitive-energy.com
Dan Long joined Competitive Energy Services in 2024 as a Client Development Coordinator, where he helps drive the RFP process and supports lead generation efforts. His contributions play a key role in helping CES acquire new clients and broaden its presence in the industry. In addition to these responsibilities, Dan manages trade group participation and helps manage energy contracts for procurement clients. Before his tenure at CES, Dan specialized in supporting Independent Power Producers, developers, and utilities in achieving their talent acquisition objectives. He holds a Bachelor of Science in Business Administration with a concentration in Marketing from Westfield State University and is currently pursuing his MBA part-time at Suffolk University.
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