Dena Cook is a Partner and Chief Communications Officer of Reinvent Capital.
Prior to Reinvent, Dena served as Executive Vice President and Head of Global Communications at Mattel where she oversaw the company’s worldwide corporate communications, brand PR, internal communications and corporate social impact functions. She served as a member of the company’s executive leadership team and was a member of the Board of Directors for The Mattel Children’s Foundation.
Dena joined Mattel after 14 years as CEO of Brew, an international corporate communications firm with offices in Los Angeles, New York and London. During her tenure at Brew, Dena led the firm’s strategic advisory services for innovative companies across technology, consumer products, media and finance. She helped clients navigate business-critical issues, shaped corporate narratives and built and re-established brands. She developed one of the most widely respected teams in the field of communications. Dena also led Brew’s acquisition by Freuds Communications in 2016.
Previously, Dena served as a Senior Vice President at Zeno Group, an Edelman company, where she created and implemented high-impact corporate communications and public relations programs for technology and consumer product clients. She also oversaw accounts and consulted for global public relations agencies Fleishman-Hillard, Golin and MSL with client work including Sony PlayStation, Nike and Nintendo. Dena began her career with roles at pharmaceutical giant Sanofi and French luxury goods maker Lalique.
In 2019 and 2020, Dena was recognized by The Holmes Report as one of its Influence 100 for her long-standing contributions to communications. In 2017, Business Insider named Dena #1 on its list of the “51 best PR People in Tech.” She is a guest lecturer at the USC Annenberg School for Communication and Journalism.
Dena earned a Bachelor of Arts degree in International Relations from the University of California at Davis and serves on the Board of Directors for the Alliance for Children’s Rights.