Sarah Middleton is President and CEO of Mission Up, a social change consulting firm that works alongside companies, foundations, nonprofits, and movements. Her career in social impact began in 2001-2002, when she served with AmeriCorps as a residential counselor at the Girls Hope home in Fullerton, California, part of Boys Hope Girls Hope of Southern California. Living and working alongside the scholars at Girls Hope changed the trajectory of her career, sparking her lifelong commitment to service and community change.

Following her AmeriCorps year, Sarah spent six years in the nonprofit sector before moving into corporate social responsibility. She went on to become Senior Vice President of Global Corporate Citizenship at PIMCO and Executive Director of the PIMCO Foundation. 

Sarah has held leadership roles with Orange County Grantmakers, the Corporate Volunteer Council of Orange County, and IMPACT2030. She was named one of Orange County, California’s 100 Most Influential people of 2015. 

Sarah is a board member for the National Museum & Center for Service and a member of Independent Sector’s Strategic Volunteer Engagement Program Advisory Committee.

She holds an MBA from the University of California, Irvine and an undergraduate degree from The Catholic University of America in Washington, D.C.