David Greenberg, Special Advisor; LRN Corp.

David Greenberg advises boards and executive teams on compliance, culture and behavior change, and strategy and leadership as Special Advisor for LRN Corporation, and from 2008 through the end of 2016 was a member of LRN's Executive Committee. Greenberg also works as Managing Director of Cortina Partners LLC, a private equity firm that owns companies in the emergency air medical, addiction treatment, bedding, textile and outdoor recreation industries. From 1988 to 2008, Mr. Greenberg served in various senior positions overseeing government affairs, corporate affairs, EHS, communications and strategy at Altria Group, Inc. – then the parent company of Philip Morris USA, Philip Morris International, Kraft Foods and Miller Brewing – culminating in his role as Senior Vice President, Chief Compliance Officer and a member of the Executive Committee. As one of five senior vice presidents of the corporation, he served on the Management Committee, which oversaw all strategy and company operations. He was also a principal architect of the company's very successful efforts to end the 'tobacco wars' which threatened the company's very existence. Earlier in his career, Mr. Greenberg was a partner in the Washington D.C. law firm of Arnold & Porter and also served as Legislative Director and General Counsel of the Consumer Federation of America. He attended Williams College and has JD/MBA degrees from the University of Chicago.

At the board level, Mr. Greenberg serves as Chair of the Governance and Risk Assessment Committee and a member of the Audit Committee of International Seaways (NYSE: INSW), one of the largest global crude oil and petroleum tanker companies. Mr. Greenberg's previous board experience (2006 to 2016) was as the independent director – and member of both the Audit and Compensation Committees --of APCO Worldwide, a private communications and government affairs consultancy and as a director (2013 to 2016) of Clean Tech Group, which creates opportunities for industrial companies to invest in innovative, clean technology. He also served for five years as Chairman of the Board of Trustees of The Keystone Center, a Colorado non-profit that brings together oil, chemical and pharmaceutical companies with leading NGOs to find solutions to complex public policy challenges at the federal and state levels.

Greenberg has testified before the U.S. Congress, the European Union, the Israeli Knesset and other governmental bodies over two dozen times and has appeared on ABC Nightline, the CBS Morning News, BBC Morning, and the PBS News Hour, and has spoken at leading events for CEOs and boards.