 He assumed senior status on August 6, 2009.Judge Sack was an officer and director of the William F. Kerby and Robert S. Potter Fund, which assisted in funding the legal defense of journalists abroad, and a member of the advisory boards of the Bureau of National Affairs' Media Law Reporter and the ABA Forum Committee's Communications Lawyer.He is a member of the Board of Visitors of the Columbia Law School and was a member of the Board of Trustees of Columbia University Seminars on Media and Society.