Nathaniel Humphreys
Zack Luye
Jackie Griffin
Jackie Griffin earned her B.S in Business Administration with a minor in Hospitality and Tourism from Columbia Southern University. Being a Washington, DC based lifestyle blogger, Jackie plans to use her natural gift of being able to illuminate her true personality to enlighten and deliver positive energy that will motivate others to grow and thrive.
Emma Chen
Xiaoying (Emma) Chen is a Senior Accounting Manager with the Solar Energy Industries Association (SEIA). Emma earned her Master’s degree in Accountancy from the University of Colorado in Denver. She received her undergraduate degree from Shanghai Normal University with a major in Construction Management. Prior to joining SEIA, Emma worked in different accounting roles for seven years and is a certified nonprofit accounting professional. She lives in DC with her family. She enjoys traveling with her family during her free time.
Lisa Berwin
Lisa Berwin is SEIA’s Senior Vice President of Finance and Operations. In this role, Lisa oversees the financial accounting, reporting, budgeting, and internal operations of the Association, as well as the organization's workforce development portfolio. Lisa previously served as an external financial consultant to SEIA for the past 20 years. In addition to consulting for SEIA, Lisa has provided financial management and tax advisory services to multiple organizations in the renewable energy sector.
Dimitri Stevenson
Dimitri Stevenson is SEIA's Manager of Industry Services in which he explores avenues of ways to increase service to the Solar Energy Industry and increase non-dues revenue in the process. Dimitri loves to listen and potentially apply solutions to pain points or hurdles within our ever-growing industry, please feel free to reach him at [email protected].
Tim Perry
Tim Perry is the Director of Information Technology and is responsible for maintaining SEIA’s network and communication systems.
Hannah Hosking
Hannah is the Director of Meetings & Events and is responsible for planning and executing all of SEIA's premier educational and networking events.