Board of Directors

David Bergman, RA, LEED AP, CPHD, Assoc AIA, is an architect, author and professor. He is the founder of DavidBergmanEco, author of Sustainable Design: A Critical Guide and the blog EcoOptimism.com, which is dedicated to the belief that positive, often symbiotic, solutions exist to our environmental, economic and social issues. He previously founded Fire & Water, where he designed and produced energy-efficient and materials conscious light fixtures. Bergman is the Program Director for the New York School of Interior Design’s Master of Professional Studies in Sustainable Interior Environments and an adjunct assistant professor at Parsons School of Design. He holds a B.A. in architecture and economics from Yale and an M.Arch from Princeton.

Eric Darrisaw is a Senior Consultant with Alternative Utility Services, a national energy services practice. AUS and affiliated companies Community Green Energy ( Community Shared Solar Developer) and OnSite Utility Capital (Energy Efficiency as a Service Finance) finances and develops energy efficiency and renewable energy projects. Eric is a Director of Agile Fractal Grid. Inc., a hyper scale computing,energy efficiency systems and advanced technology integration firm specializing in micro grids, data centers and building electrical grids. He advises Sunswarm Solar Inc., a US department of Energy Sun shot program funded Shared Solar marketplace database platform for developers and community groups.

Mr Darrisaw is a member of the Green the Church Campaign, a not for profit ecumenical organization focused on capacity building and Green community development in partnership with Black Church CDCs. Green the Church collaborates with Interfaith Power and Light, US Green Building Council, Green For All and others on green jobs and energy project development in communities of color nationwide.

25 years of broad experience in the energy space (efficiency, onsite power gen, renewables, financial solutions, battery storage, software). Director of National Accounts at Qcells (BESS Solution Sales): Provide project analytics/modeling (BESS Sizing, Value Stack, Software Function, Cashflows); Provide BESS Hardware, Design Support, Geli Software Optimization/Co-Optimization and Asset Management over the project life. Serve C&I, Community Scale and Utility markets.

Haym Gross has practiced as an architect for over 30 years, providing design and consulting services to realize diverse projects for commercial, residential and institutional clients.

Sustainability has long been at the center of Haymʼs work. He has completed projects to integrate renewable energy technologies into a range of buildings, including solar electric and thermal projects for multi-family residential properties. Haym has worked on solar plus battery storage projects for resilient emergency power systems at community facilities in flood-prone areas of New York City.

Haym is the founding member of the NYC 2030 District, a partnership of stakeholders which has established a dedicated urban sustainability district, accelerating progress to confront climate change in New York City.

Co-Founder & CEO of Logical Buildings

Logical Buildings transforms multifamily and commercial properties into grid-responsive assets using real-time data, demand response, and on-site storage. Its VPP platform and mobile apps empower residents and operators to cut costs, lower emissions, and earn revenue by optimizing energy use. The company’s industry award winning cloud platform serves over 3,000 buildings and 15,000 homes nationwide.  The company’s suite of virtual power plant engineering services turnkey deployment and monetization of smart thermostats, smart appliances, EV charging stations, and battery storage. Founded in 2012, Logical Buildings clients are top-tier REITS, asset managers, and global property management companies.

Jeff has served as Innovation Member of the Smart Cities Council and board member of the Green Button Alliance, and is currently a board member of NYC2030. In addition, he is an active voting member of the NYISO and PJM wholesale power grids. He also represents Logical Buildings as a member of the NY Battery Energy Storage, and Clean Energy Business Network. Jeff is a graduate of the Wharton School of Business.

Martha Sickles is principal of Urbecon LLC, a WBE firm providing planning and energy advisory services. For 16 years, they managed local government and civil society reform programs in Central Europe, the Caucuses and Central Asia.  More recently, Urbecon provides research, advocacy, education, and public engagement services promoting socio-economic and environmental justice, sustainability, and energy sector transformation in the tri-state region.  Martha participated in the Clean Heat Campaign managed by NYC2030 and funded by NYSERDA from 2020-2023.

Nicholas Stevens is the President of Dalmar Energy Solutions which was established in April of 2018 to provide energy consulting, solutions, and education to the community and organizations. Our main goal is to help multifamily and commercial buildings decarbonize by reducing energy, waste and carbon emissions. Dalmar works closely with organizations and communities to help them understand and apply the benefits of using technology to reduce their energy waste and consumption. In various communities. 

Nick has conducted seminars, educating organizations and religious institutions on New York City on Local Energy Laws 88 and 97. Nick works with Con Edison, PSE&G and JCP&L to educate building owners on different incentives to make buildings energy efficient.He is a Certified BPI Multifamily Building Analyst Professional.