Ellen J. Kullman is Executive Chair of Carbon, Inc., or Carbon, a privately-held 3D printing company, having held this position since June 2022. Ms. Kullman served as President and Chief Executive Officer of Carbon from 2019 to June 2022, and has been a member of its board since 2016. She is the former President, Chair and Chief Executive Officer of E.I. du Pont de Nemours and Company, or DuPont, a science and technology-based company, where she served from 2009 to 2015. Prior to this, Ms. Kullman served as President of DuPont from 2008 to 2009. From 2006 through 2008, she served as Executive Vice President of DuPont. Prior to that, Ms. Kullman was Group Vice President, DuPont Safety and Protection.

Ms. Kullman has been a director of Goldman Sachs Group, Inc., an investment banking firm, since 2016, chairing its Public Responsibilities Committee and serving on its Compensation and Corporate Governance and Nominating Committees. Ms. Kullman has been a director of Dell Technologies Inc., a technology company, since 2016, serving on its Audit Committee. Ms. Kullman served as a director of United Technologies Corporation, a technology products and services company, from 2011 (and as lead director from 2018), serving on its Compensation, Finance and Executive Committees, until its merger with Raytheon Company in 2020. Ms. Kullman served as a director of General Motors, from 2004 to 2008, serving on its Audit Committee.

Ms. Kullman has served on the Board of Trustees of Northwestern University since 2016 and is a Trustee Emerita of Tufts University School of Engineering, having served on its Board of Advisors since 2006. She served as Chair of the US-China Business Council from 2013 to 2015. Since 2016, Ms. Kullman has been a member of the Temasek Americas Advisory Panel of Temasek Holdings (Private) Limited, a privately-held investment company based in Singapore. Ms. Kullman received a bachelor of science in mechanical engineering degree from Tufts University and a master's degree from the Kellogg School of Management at Northwestern University.