Ms. Khosrowjah has served as Commissioner Ryan's Chief of Staff since February 2010. Prior to that, since 2008, she served as the Policy Advisor for the Division of Ratepayer Advocates (DRA). During her tenure as the Policy Advisor, she played a leading role in revitalizing DRA’s image as a dynamic, serious, and professional entity. Sepideh joined the CPUC in 1990, and has gained extensive experience in various subject matter areas, including electricity, natural gas, communications, and water. Earlier in her CPUC career she spent eight years in DRA working on both Communications and Energy matters, testifying on behalf of ratepayers in a number of the CPUC's proceedings. Later she spent time in both the Energy Division and in the Division of Strategic Planning (since renamed Policy and Planning Division), spearheading natural gas efforts and working on electricity procurement. Returning to DRA in 2005, Ms. Khosrowjah led DRA’s efforts on electricity procurement issues. Ms. Khosrowjah has a Bachelor's degree in Mathematics and a Master's degree in Economics from San Francisco State University. Ms. Khosrowjah is also a published playwright and her plays have been staged in Berkeley and other cities in the country.