The EXECUTIVE team provides strategic leadership for nrg.
With decades of combined experience in energy and business, some executive team members have been key participants in the renewable energy industry since its inception. Others bring diverse experience in sales, marketing, manufacturing, and human resources from other sectors.
As President of NRG, Evan Vogel is responsible for overseeing the company’s operations, providing strategic direction, and leading the executive management team. With more than 30 years of experience in power, energy, and renewables, he previously held positions at Ampt, Petra Solar, and Power-One. Before NRG, he was the Vice President of Marketing, Communications and CIB Engineering for Schneider Electric’s Solar and Energy Storage Business. While at Schneider Electric, Evan led the company’s transition from hardware focus to include a unique, cloud-connected SaaS platform that drove double-digit growth. He holds a B.S.E.E. degree from New York University and an MBA from Adelphi University.
Vice President, Operations
As Vice President for Operations, Julia Austin oversees day-to-day operations in the supply chain, quality, manufacturing, service and support functions. Julia has held several key roles at NRG since starting with the company in 1991, including Sales Manager and Technical Services Manager. Through her leadership of the service and support teams, she helped establish NRG’s exceptional service standards. Julia’s career has been a mix of business and technology experience ranging from supporting rapid growth to aligning operational capabilities with product diversification. With 25+ years in the renewable energy industry and extensive knowledge of NRG’s customers and operations, she helps define and meet company strategic goals. She holds a bachelor’s degree in Environmental Studies from the University of Vermont, and enjoys backcountry snowboarding, mountain biking, multihull sailing, and music.
Vice President, Global Sales
Greg Erdmann has over 25 years of technology sales and marketing experience in expanding international market share, sales revenues, and profits for both established and start-up companies. Almost 15 years of Greg’s career have been spent in the renewable energy industry. He came to NRG from Southwest Windpower, where he served as vice president for commercial sales and global marketing. He also spent two years directing the sales of radar systems at Vestas Technology R&D. Greg has a long history with NRG: he established the first formal sales and marketing department in the 1990s. He returned in 2013 to help grow the company. He holds a bachelor's degree in economics and art history from the University of Vermont.
Vice President, Engineering
Michael Purdue brings more than 25 years of software, analytics, and technical leadership expertise to NRG. Mike spent nearly 18 of those years developing enterprise clinical and financial solutions serving millions of patients worldwide. He came to NRG in 2015 from GE Healthcare, where he was responsible for the technical leadership of the company’s flagship enterprise clinical information system. Mike is keen to leverage the power of data and software services, coupled with proven hardware technology, to offer complete digital solutions to the renewable energy industry. He holds bachelor’s degrees in computer science, computer information systems, and business management, with a focus on economics and finance, from Norwich University. He enjoys cycling, canoeing, his woodshop, and taking walks with his wife and cats.
Vice President, Finance
Ann Greenamyre joined NRG in 1995 as one of our very first accounting employees. Over the years, Ann has been instrumental in defining and structuring the accounting and finance department, and she has performed all the roles herself. Prior to joining NRG, Ann spent five years in the credit union industry in an administrative role. Ann holds a bachelor’s degree in business administration from Castleton State College. Ann enjoys spending time with her family, relaxing at the lake, and being a spectator at her daughter’s skating meets.
Vice President, Human Resources
Anna Grady joined our human resources department in 2006, bringing over 20 years of diverse work experience across higher education, manufacturing, youth services, and international development. Anna previously oversaw six departments as director of administration for Northlands Job Corps, a U.S. Department of Labor program where young students receive job and life skills training. Prior to that, she served as a clinic liaison manager for Maine, New Hampshire, and Vermont for Planned Parenthood of Northern New England. She also worked for IBM Corporation as a tactical marketing manager. Anna loves to travel and credits her adventurous years as a Peace Corps volunteer as the foundation for many international experiences in Pakistan, Panama, and throughout Africa. She holds an MBA from the University of Vermont and a bachelor's degree in linguistics from the University of Chicago.