Sandra Boss

Sandra Boss

Chair of BlackRock UK

Sandra Boss, Senior Managing Director, is the Chair of BlackRock UK. In this role, she will work with the Head of BlackRock UK to engage with UK clients, corporates, and policy makers, working to support the UK business in delivering the best of BlackRock’s global platform to serve the local market. In this role, she also acts as strategic advisor to the Head of the International Business, which spans Europe, the Middle East, India, and Asia Pacific. She is a member of BlackRock’s Global Operating Committee and co-chair for the firm’s Global DEI Committee.


In 2023, Sandy served as the Chief Operating Officer for BlackRock’s Global Client Business (GCB). In that role, she was at the center of launching a firmwide initiative to serve clients locally and regionally while delivering the many capabilities of BlackRock’s global platform. She was responsible for key elements of the firm’s primary commercial businesses, including fostering strategic coordination across wealth, institutional, consultant, insurer, official institutions, and financial markets advisory teams.


From May 2020 through January 2023, Sandy was Global Head of Investment Stewardship for BlackRock. In that role, she was a member of the firm’s Global Executive Committee and was responsible for leading BlackRock Investment Stewardship in all its activities, including launching the firm’s pioneering Voting Choice program.


Prior to BlackRock, Sandy served at the Bank of England as an external member of the Prudential Regulation Committee and the senior independent member and risk committee chair of the Board that oversees the system used to make high-value payments and implementation of monetary policy.


Sandy is a former senior partner at McKinsey & Co. where she was a strategic advisor to executives and boards of global companies in banking, insurance, asset management, financial technology, and a wide range of other industries. She joined McKinsey in 1994 and was elected Partner in 2000 and Senior Partner in 2004.


Sandy also has served as non-executive director at two public companies: Elementis Global and Enstar Group.


Sandy has held several other advisory and non-executive roles. She is currently a member of the Board of Trustees at The Royal Society for the Encouragement of Arts, Manufactures and Commerce (RSA). Previously, she was a member of the board for the Institutional Investors Group on Climate Change (IIGCC) and also served on the Impact Taskforce created under the UK’s G7 2021 presidency.


Sandy received an MBA from Harvard Business School in 1994 and a BA from Stanford University in 1989, majoring in American Studies and Economics. Prior to joining McKinsey, she worked for Merrill Lynch and Company and Trammell Crow Company.