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H.G. Chissell is the Founder and Chief Executive Officer of Advanced Energy Group.  Previously, H.G Chissell served as Chief Commercial Officer at GridMarket and Senior Vice President of Strategic Accounts for Viridity Energy, a software/service firm focused on virtual power generation and advanced energy optimization. Mr. Chissell was with Viridity Energy from its beginning in 2009, leading the company’s growth of MWs under management and strategic expansion throughout PJM, NYISO and ERCOT across all key verticals. Key accomplishments include the first behind-the-meter frequency regulation battery project in PJM, first 1 MW behind-the-meter battery project in Chicago, first full spectrum DR battery project in New York City and multi-site EV2Grid project with the Pentagon in PJM and ERCOT.

Mr. Chissell graduated from Swarthmore College, studied architecture at Drexel University and received his accreditation as a LEED AP.  Mr. Chissell focuses on advanced business solutions and partnerships, specifically with the DOD, cities, portfolio real estate companies, energy storage integrators, and utilities.

H.G. Chissell has served as Advisory Board member for the Energy Storage Association, Energy Storage North America, Caribbean Renewable Energy Forum and as lead facilitator for the ConEdison Energy Storage Working Group and Energy Thought Summit 2017. In 2014, Mr. Chissell received the Federal Energy and Water Management Award for his work with US Army base Fort Meade and American Water.

Prior to Viridity Energy, Mr. Chissell led a sustainability/energy team at Gap International, a global consulting firm specializing in breakthrough leadership.  Mr. Chissell began his commercial career at RDLA, a healthcare architecture firm in Philadelphia.

Grant van Wyngaarden, ProJECT LEaDER, Director of Memberships

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Grant is a management consultant that specializes in guiding corporate decision making with advanced energy solutions.  He has eight years of experience focusing on supply chain services for energy companies.  Grant has worked with Accenture in Canada and Australia and with the Portland Group, a sourcing & procurement consulting firm in Australia.  Grant has led and delivered over twenty projects in client-facing roles for fifteen different clients, including eight Fortune Global 500 companies and three government entities.

Grant advises energy clients on strategic market entry in addition to helping corporations improve the sustainability of their energy consumption.  Grant has helped clients with renewable energy and energy storage endeavors, including deployments and investments.  Grant is an MBA graduate from Columbia Business School in New York City and his undergraduate studies focused on business and IT at Ryerson University in Toronto.


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Michael is a Fellow at Advanced Energy Group. He is a MSc Global Energy Management student at the University of Colorado, where he is focusing his studies on the integration of batteries into the energy system. In the past, he applied BS degrees in Chemistry and Environmental Science as an environmental consultant across the country. Major projects included working on the radioactive groundwater pollution at Indian Point Energy Center, and analyzing emissions at various coal and natural gas plants. Michael decided to join AEG and the Master's program so his career focused less on energy problems, and more on solutions.


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Vishant Kothari is pursuing a Masters in Sustainability Management at Columbia University. He has lived in India, Ukraine, Netherlands and the Philippines and has worked in international business development and innovation. Vishant is also an alumnus of AIESEC International. His mechanical engineering background gives him the skills and understanding to contribute constructively to a wide variety of challenges. He has traveled to over 30 countries and led multiple teams around the world. He is passionate about investigating energy and data to develop smart, sustainable, and resilient cities. When he's not talking about improving cities, Vishant can be found composing music, guzzling hot chocolate with Netflix or exploring his new home, New York City.


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Daniel Cohen is a Fellow at Advanced Energy Group. He is currently a student at New York University, where he is pursuing a M.S. degree in Global Affairs, concentrating on Energy Policy. His interests lie at the intersection of energy infrastructure, national security, and the economics driving the new energy economy. Prior to joining Advanced Energy Group, Daniel spent several years researching the North American merger arbitrage universe. Daniel obtained his undergraduate degree from Skidmore College, where he studied political science and economics.

Collin SMith, Fellow

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Collin Smith is a master’s student at the Johns Hopkins School of Advanced International Studies (SAIS), where he is pursuing a dual concentration in International Economics and Energy, Resources, and the Environment. Prior to his graduate studies, Collin worked in the Natural Resources Defense Council’s Beijing office, where he researched policy approaches for China to reduce its coal use and integrate higher levels of renewable energy. After NRDC, he spent time as a business development associate at an energy storage start-up exploring ways to commercialize new energy management technologies. His studies at SAIS are focused on electricity systems and how tools like energy storage and demand response can improve power sector operations and facilitate a transition to cleaner energy sources. Collin also has a B.A. from Swarthmore College, where he studied Political Science.

Bridget Hardy, Fellow


Bridget is a renewable energy services professional and sustainability consultant. She currently consults for Inova Energy Group, advising energy clients on marketing and training projects. Most recently she supported the Army Office of Energy Initiatives (OEI) renewable energy resilience portfolio strategy in Washington, DC. Bridget supported the construction and operation of approximately 200 megawatts (MW) of renewable energy development on Army installations in the last two and a half years, in addition to 50+ MW of battery, combined heat and power, natural gas, and battery and controls project opportunity development. She has also worked with the City of Lake Forest, IL to develop a strategic Sustainability Plan to include renewable energy pilot projects, community solar, and energy savings. Bridget received her Master of Public Administration degree from Columbia University Earth Institute and her Bachelor of Science degree in environmental studies from the University of Southern California.

Lewis Percy, Fellow


Lewis is a current graduate student at the NYU Center for Global Affairs where he studies Energy Policy and Statistics. Previously, Lewis spent four years working in oil and gas exploration for Engie E&P UK, and graduated with his master’s degree in Petroleum Geoscience from Royal Holloway University of London in 2013. Since joining NYU, Lewis has complemented his knowledge of upstream energy through work in Energy Economics, Energy Management and the Geopolitics of Energy. His current interests lie in electricity markets and the utility of the future, with a focus on analytics and machine learning. 


Isabella Suarez

Isabella is completing her graduate degree in Global Affairs, with concentration in Energy & Environmental Policy, at New York University. Born and raised in the Philippines, she focuses on energy security and economics with regards to resource adequacy and climate change. Her experiences are largely in strategic development and sustainability; she is a co-founder of a UN-funded, social enterprise that connects urban poor communities to markets. Currently, she serves on the board of the Women in Global Affairs - New York Chapter. Isabella also has a B.S. in Legal Management and a minor in Literature from one of her country’s top universities.

Advanced Energy Group is currently accepting applications for the fellowship program, interested graduate students can apply here: AEG Fellowship Application.