Our Mission & Team

Debora L. Spar is the Jaime and Josefina Chua Tiampo Professor Business Administration and Senior Associate Dean for Business and Global Society. She previously served as President of Barnard College (2008-2017) and President and CEO of Lincoln Center for Performing Arts (2017-18). Before joining Barnard, Spar spent 17 years on the HBS faculty, where she taught courses that include Business, Government and International Economy and Managing International Trade and Investment. A prolific writer, Spar's books including Ruling the Waves: Cycles of Discovery, Chaos and Wealth from the Compass the Internet, The Baby Business, and Wonder Women: Sex, Power, and the Quest for Perfection.

Drew Keller is the Director of BiGS. He is in charge of setting the direction of the Institute, in collaboration with the Senior Associate Dean, and leads the implementation of BiGS’ strategy.

Drew has worked on several business and human rights issues over his career. He led Open For Business, where he worked with business leaders and activists to collectively advocate for LGBT+ equality in challenging regions. He has also worked on developing new approaches for companies to account for their progress toward paying living wages in their supply chains with Shift and HBS’s Impact Weighted Accounts Project. Drew started his career as a management consultant at McKinsey & Company and holds an MBA from Harvard Business School.

Barbara DeLollis is the Head of Communications. She oversees BiGS’s communications and content strategy to equip leaders with actionable insights to inform business’ role in society.

Amram Migdal is the Head of Knowledge. He leads BiGS’s efforts to build a strong intellectual community of scholars studying business’ role in society and supports the development of new research initiatives at BiGS.

Sarah Gazzaniga serves as Programming Manager. She plans and manages all of BiGS’s roundtables around the world and works with executives to create BiGS learning networks.

Mariana Castaneda is the team’s Digital Communications Manager. They engage leaders around the world by overseeing all of BiGS’s digital channels.

As Coordinator, Olivia Barba oversees logistics and planning for on-campus events and serves as the key point of contact for BiGS Fellows.