The Aegis Team

Click Through to Meet Our Team!

Nils Behn - Chief Executive Officer, President

A leader and innovator in the renewable energy field for over 17 years, Nils has continued to broaden his experience and knowledge in successful integration of renewable energy solutions. As a Senior Project Manager for nine years with  Northern Power Systems, he gained extensive experience in commercial and military solar electric power system manufacturing and installation. In addition, his role included wind turbine manufacturing, engineering, permitting, and deployment of wind energy conversion systems. As the Director of the Alteris Renewables Wind Division, he contributed to the rapid growth and success of the Wind Division to become the leading Community Wind EPC in the Eastern USA. Following a merger of Alteris Renewables and RGS Energy, Nils successfully spearheaded a spin off of the Wind Division, forming an independent corporation; Aegis Wind, LLC. The further success and growth of Aegis Wind to include solar energy solutions, has resulted in the company evolving into Aegis Renewable Energy, Inc. 

Sonia Behn - Vice President

Sonia Behn has been a principal member of Aegis Renewable Energy since its inception in 2011. She has overseen and supported the rapid growth and development of Aegis and has advanced the company’s operations, performance, and quality standards. Sonia oversees all HR, marketing, and financial operations of the company as well as the management of internal controls, safety and risk assessment. Her drive for excellence has assisted Aegis in becoming one of the most highly regarded renewable energy integrators in the Northeast. Her excellent organizational skills keep the daily operations of the company moving smoothly. 

Tom Flynn - P.E., PMP, Chief Operating Officer

Tom has served as a program – project executive for more than 25 years, with success in developing, executing, and controlling new complex initiatives. His engineering and project management expertise includes successfully recovering large and distressed initiatives with integrated execution teams.


He has been highly successful in executing time sensitive and complex project assignments 
and has developed execution strategies for projects in 30+ countries. Tom has served as a senior management consultant with extensive global experience in solution development, project management leadership, and implementation.


He has served as an engineering and project management adjunct professor for Boston University, Northeastern University and the National Technological University. Tom has also trained and mentored hundreds of civilian and military program and project managers.

Bonnie Batchelder - Chief Financial Officer

Bonnie is a licensed Certified Public Accountant in the State of Vermont and  Massachusetts, with over 30  years of experience.  She is the owner of Batchelder Associates, PC. Bonnie has extensive experience in fiscal management, auditing, financial planning, tax planning, DBE certification, job costing, bidding, and strengthening of internal controls for contract management and accounting procedures.

Eric Phaneuf - Director of Business Development

Eric is Aegis Renewable Energy’s Director of Business Development.  Eric first worked in renewables as a Director of Business Development at Northern Power Systems where he focused on advanced energy technology licensing and development, wind farm development, and a microgrid test project in Washington Electric’s service territory. Eric began his business career as a corporate attorney at IDX Systems Corporation in Burlington, Vermont (later acquired by GE Healthcare). Eric moved on from IDX to work at three successive early stage companies in the media, software and alternative energy fields (Resort Sports Network,, Northern Power Systems).  In each of his positions Eric called on his legal training and experience to develop projects, solve problems and negotiate business and corporate development deals ranging from strategic partnerships to mergers and acquisitions. Eric utilizes the same skills in his work at Aegis Renewable Energy.

Eric has a Bachelor’s degree in Political Science from Middlebury College, and a J.D. from Washington and Lee University School of Law.  He maintains a Vermont law license as well as a Vermont real estate brokers license.

Brad Hash- Business Development

Prior to joining the Aegis team as Business Development Manager, Brad spent the past six years honing his sales craft as co-owner and sales director for two businesses in Pennsylvania. In addition, Brad has managed several small and medium-size businesses in the service sector. Prior to that, Brad’s passion for a cleaner, healthier planet led him to a 14-year stint working for national environmental non-profit organizations in Vermont and Montana where he focused on organizing and campaign direction. After earning a master’s degree Environmental Studies from the University of Montana, Brad held the position of research associate for a regional progressive policy institute.  He has served on the board of directors of three non-profit organizations and co-founded another in Burlington, VT, 20 years ago. Brad also maintains a contract copy editor position for a Montana publishing house.

Brad is very pleased to be combining his sales talents with his environmental ethic to help bring energy independence and a reduction in fossil fuels to the Northeast and beyond.

Andrew Tetreault - Senior Project Manager

Andrew is a Senior Project Manager with more than 30 years’ experience in the construction industry.


He has held various roles in commercial and residential construction including Project Manager, Designer, Estimator and Site Supervisor. His work can be seen all over the state of Vermont from Bennington to Franklin Counties and includes banks, schools, convenience stores, corporate offices, retail outlets, laboratories, public works projects, physicians’ offices and numerous residential properties.


Notable clients include: VSECU, Wilkinson Harley Davidson, Washington County Mental Health, Cumberland Farms and Keurig/Green Mountain Coffee.


Andrew holds a degree in Architectural Engineering from Vermont Technical College.

Ray Doherty - Office Manager

Ray has a diversified professional background in both the public and private sectors.  His work experience includes emergency management, hazard mitigation and disaster recovery, community development, and grant administration.  Ray served as a Peace Corps volunteer in small business development and environmental protection in Poland in the early 1990's, the state hazard mitigation officer at Vermont Emergency Management and as a project specialist with FEMA, based in the Washington, D.C. area.  Ray holds a BA degree from Queens College in New York and a Masters degree from the University of Virginia.

In his spare time, Ray volunteers with the Vermont Refugee Resettlement Program and is associated with several international human rights organizations as a human rights advocate. 

Jito Coleman - Board of Advisor and Principle, Green Toolbox

Jito brings many years of renewable energy expertise and business leadership to the Aegis board.   Formerly, President and Chief Engineer at Northern Power Systems in Waitsfield, VT for over 28 years, he has been at the forefront of renewable energy for over three decades. Jito is currently the Owner and Principle of Green Toolbox Consulting, providing services to support a wide variety of clients with a desire to explore or expand their involvement in renewable energy. 

Don Walters - Board of Advisors and Experienced Solar Executive

Don is an experienced executive with a comprehensive knowledge of all facets of the power sector.  His results oriented leadership style and his hands-on approach have been successful with companies executing new strategies or growing their existing business.  His experience at companies such as Constellation A , Calpine, Kelson, and Nexamp included positions in business development, financing , EPC, O&M and asset management.  Don is currently the founder of OPES21, a company focused on providing solutions to the power industry for the 21st century with an emphasis on renewable energy. 

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