Joined the Board: 2018
Committees: Audit; Strategic Planning and Finance

Sarah is the chief financial officer of Square, Inc., a provider of commerce solutions, including managed payments and point-of-sale systems for businesses and mobile financial offerings for consumers.

Prior to that she served as senior vice president of finance and strategy at, Inc., and in various positions at Goldman Sachs Group, Inc., including as a managing director in the Equity Research Division.

Sarah sits on the board of Slack Technologies, Inc., a business communications platform, and is vice chair of the board of Spark, a nonprofit passionate about changing the lives of at-risk middle schoolers through mentorship. She is a Fellow of the inaugural class of the Finance Leaders Fellowship Program and a member of the Aspen Global Leadership Network.

She graduated from the University of Oxford with a master of engineering degree in metallurgy, economics and management and from Stanford Graduate School of Business with a master's degree in business administration.