Tim Tully has served as our Senior Vice President, Chief Technology Officer since 2018. Prior to this role, Mr. Tully served as our Chief Technology Officer in 2017. Prior to joining us, Mr. Tully served in various roles at Yahoo! Inc., a digital information discovery company, from 2003 to 2017, including most recently as Vice President, Engineering from 2014 to 2017 and before that in engineering leadership roles including Distinguished Engineer and Chief Data Architect. Mr. Tully began his career as a Member of Technical Staff at Sun Microsystems on the JavaSoft team, and also spent time at several startup companies. Mr. Tully holds an M.S. from Carnegie Mellon University and a B.S. from the University of California, Davis.
Leonard R. Stein has served as our Senior Vice President, Global Affairs since 2018. Prior to this role, Mr. Stein served as our Senior Vice President, Corporate Affairs and Chief Legal Officer from 2017 to 2018 and as our Senior Vice President, General Counsel and Secretary, from 2011 to 2017. Prior to joining us, Mr. Stein served in various executive positions including President and Chief Legal Officer at Jackson Family Enterprises, Inc., a luxury wine maker, from 2004 to 2010. From 2010 through 2011, Mr. Stein served as a board advisor to two private companies and as an independent consultant. Mr. Stein served as Chief Legal Officer and Chief Compliance Officer at Overture Services, Inc., an internet commercial search services company, from 2003 until it was acquired by Yahoo! Inc., in 2003. Mr. Stein holds a B.A. from Yale College, an M.A. from Yale University Graduate School and a J.D. from Harvard Law School.