Leading Businesses into a Renewable Era
The seasoned leadership of Core Development Group has over a century of energy industry expertise combined with a decade of Core Development Group’s track record of designing, engineering, constructing, developing, financing, and operating a nationally ranked leader of clean & renewable energy projects.
Every day, we use our experience and know-how, with clarity and transparency, to make a positive impact and guide businesses to a cleaner and more sustainable future.
Henry Cortes - CEO and Founder
Henry Cortes is the Founder and Owner of Core Development Group and is responsible for the company’s strategic growth and daily operations in the United States, Atlantic region, and Pacific Islands region. Cortes powered Core Development Group to be nationally ranked in annual solar ratings (Solar Power World), recognized as one of the fastest growing private companies, significantly increasing MWs of commercial and community solar developed, a leader in commercial fleet EV charging stations across the US., and recognized for battery energy storage systems. Prior to founding Core, he was vice president of project management for BayWa r.e. Solar Projects, a global leader in the renewable energy market. He is leading the expansion efforts of Core Development Group in the renewable energy industry, such as the solar energy, storage, and microgrid markets.
Cortes began his career in the electrical construction trade in 1990. He later served as the owner/operator of a large electrical contracting firm focused on commercial installations and a general contracting firm focused on real estate development and investments throughout New Jersey. He is also experienced in project finance, construction science, business development, leadership team management, and operational processes across a range of industries. With over 28 years of general construction experience, he brings a significant amount of real-world experience to Core Development Group.
Cortes studied industrial electric at the Passaic County Technical Institute from 1988 to 1992. He holds a bachelor’s degree from William Paterson University and a master’s in business administration from Ramapo College. He also holds a Master Electrical license in the State of New Jersey and is certified by The National American Board of Certified Energy Practitioners (NABCEP); the New York State Energy Research and Development Authority (NYSERDA); and the Project Management Institute (PMP).
He is fluent in Spanish and English, and conversational in Portuguese.
Brian Gemberling - VP of Engineering
Brian Gemberling is a member of the Core Development Group executive board for strategic development and planning. He is responsible for developing and implementing strategy and planning activities, including alignment with Core’s enterprise strategy, benchmarking, and positioning for growth. In his day-to-day role, he oversees the operations of Engineering, Procurement, Construction, and Project Development Services.
Gemberling has a bachelor’s degree in electrical engineering from Georgia Tech. He has 12 years of experience in all phases of project development, design, and construction.
Deborah Masker - Controller
Deborah is an Accounting & Finance professional with over 30 years of business experience in the Technical, Corporate, Public, and Controllership accounting functions. Deborah holds a master’s in business administration in finance from Rutgers University and a bachelor’s degree in accounting from Ramapo College. She is also a licensed CPA (currently inactive).
Peter Muzsi - VP Business Development
Peter Muzsi is VP of Business Development at Core Development Group and leads marketing and channel sales efforts for commercial solar, battery storage, and EV charging. Peter has more than 20 years of sales and marketing experience in the energy industry, including work at Constellation, ConEdison Solutions, and Starion Energy. Peter adds a passion for digital innovation, a desire to develop lasting win-win partnerships, and an aspiration to create compelling brand experiences.
He understands the unique energy needs of commercial customers, is a frequent speaker at industry energy conferences, and is a member of the TEPA Sustainability Committee.
Peter has a bachelor’s degree in finance from Bryant University and a master’s in business administration in marketing from the University of Connecticut.
