Sarah Friar is CFO and Operations Lead at Square. Friar joined Square in July 2012 from salesforce.com, where she served as SVP of Finance & Strategy. 
Prior to salesforce.com, Friar worked at Goldman Sachs for over 10 years, with experience in corporate finance, M&A, and equity research, and ultimately as lead software analyst and Business Unit Leader for Goldman Sachs’ Technology Research Group. She previously worked for McKinsey in both London and South Africa. She holds a Masters of Engineering from Oxford University and an MBA from Stanford University. She sits on the Boards of ModelN, a SaaS-based revenue management software company, and Spark, a nonprofit focused on changing the lives of at-risk middle schoolers through mentorship.