Meet our Advisory Board


Greg Aliff  LinkedIn Logo

Mr. Greg Aliff is a retired Vice Chairman and Senior Partner of Deloitte LLP. For 10 years, he served as leader of Deloitte’s U.S. Energy & Resources Group, where he was responsible for the coordination of Deloitte’s Audit, Tax, Consulting and Financial Advisory services to the U.S. Energy & Resources industry. Mr. Aliff has published several papers including the three-part Math Series from the Deloitte Center for Energy Solutions. Mr. Aliff serves as a Board Member for SCANA Corporation, the California Water Service Group and GRID Alternatives.


Maia Nilsson  LinkedIn Logo

Maia Nilsson, a partner at Posit Partners, has spent most of her career making big ideas meaningful to the marketplace. She has more than 20 years of agency and client-side experience as a strategist and award-winning creative director, with a focus on brand positioning and thought leadership for business-to-business technology companies. Prior to co-founding Posit Partners, Maia’s clients included IBM and SAP. Maia is an enthusiastic advocate of cleantech innovation and brings to the Advisory Board a passion for helping game-changing enterprises articulate a compelling point of view.


Susan Teschner  LinkedIn Logo

Susan Teschner is the owner of Teschner Law Firm, LLC, a tax and business focused law firm. She attended the University of Oklahoma law school for two years, and then transferred to NYU, where she finished her JD and LLM. After graduating from NYU, she worked in Charlotte for the tax law firm, Culp, Elliott and Carpenter and then worked for Evans Carter Kunes and Bennett in Charleston before opening her own firm in 2001. From 2001-2011, Ms. Teschner acted as a Board Member for Medical University of South Carolina IRB. Prior to becoming an attorney Ms. Teschner was a CPA for Ernest & Young and a co-controller for a top 100 law firm. Ms. Teschner has been awarded Top Lawyers of South Carolina (2013-2016), 2016 American Registry Most Honored Professionals (top 10%), and The National Advocates Top 100 Lawyers.