David Grigsby

Chief Accounting Officer

David joins BrightNight as Chief Accounting Officer and brings over 28-years of accounting and finance experience, with over 25 of those years in the energy industry, including renewables.  David holds an MBA in Finance from the University of St. Thomas, and a Bachelor’s degree in Accounting from Oklahoma State University, where he currently serves on the Accounting Advisory Board.  David has also held a CPA license since 1996.

Before joining the BrightNight team, David dedicated 25-years to ENGIE (formerly known as GDF Suez) in many roles including Chief Accounting Officer, Corporate Controller, Controller for Generation Business Unit (BU), and Controller of Commodity Trading BU.  This tenure included leadership roles across various finance functions during the growth and maturity of the ENGIE North America region including many material acquisitions and divestitures, restructurings, and finance transformation projects.

Prior to his tenure with ENGIE, he worked as an audit senior for Deloitte and Touché in Oklahoma City, executing audits of a wide range of industries.


David lives in Houston with his wife and son, and has another son currently in college.  He loves many outdoor activities including golf, snow skiing, and water sports and especially loves doing these things with his family.