In 2008 she founded Mandell and Associates, a strategic consulting firm based in Austin, Texas. Mandell currently works with electric and water utilities, and with clients in energy and environmental industries to create successful business development strategies that range from policy development to legislative advocacy to communications and public outreach campaigns. Mandell graduated from The University of Texas at Austin. She has been involved in many community activities in Central Texas, including Friends of the Children, the American Heart Association, and the Center Child Protection. She and her husband have three children.