Leadership

Mr. Prince is one of our co-founders and has served as our Chief Executive Officer and Chair of our Board of Directors since July 2009. He also co-founded Unspam Technologies, Inc., a software and services company, and has served as its chair since December 2001. Mr. Prince holds a B.A. in English and a minor in Computer Science from Trinity College-Hartford, an M.B.A. from Harvard Business School, and a J.D. from the University of Chicago Law School.

Ms. Zatlyn is one of our co-founders and served as our Head of User Experience from 2009 until she was appointed as our Chief Operating Officer in 2016. She has served as a member of our Board of Directors since November 2009. Ms. Zatlyn holds a B.Sc. in Chemistry and Business from McGill University, and an M.B.A. from Harvard Business School.

Mr. Seifert has served as our Chief Financial Officer since June 2017. Prior to joining us, he served as Executive Vice President and Chief Financial Officer of Symantec Corporation, a provider of cybersecurity software and services, from March 2014 to November 2016 and served in an advisory capacity to Symantec from December 2016 to March 2017. From December 2012 to March 2014, Mr. Seifert served as Executive Vice President and Chief Financial Officer of Brightstar Corp., a wireless distribution and services company. From October 2009 to September 2012, he served as Senior Vice President and Chief Financial Officer at Advanced Micro Devices Inc., a semiconductor company, where he additionally served as Interim Chief Executive Officer from January 2011 to August 2011. Mr. Seifert currently serves as a member of the board of directors of IPG Photonics Corporation, a manufacturer of fiber lasers, and First Derivatives plc, an ultra-high-performance analytics software company. He previously served on the board of directors of CompuGroup Medical SE, an eHealth provider. Mr. Seifert holds a B.A. in Business Administration and an M.B.A. from Friedrich Alexander University, and an M.A. in Mathematics and Economics from Wayne State University.

Mr. Kramer has served as our General Counsel since August 2016 and our Secretary since August 2019. Prior to joining us, he served as Deputy Administrator of the U.S. Small Business Administration from April 2015 to July 2016. From November 2013 to March 2015, Mr. Kramer served as General Counsel of the United States Agency for International Development. He served in the White House as Staff Secretary and Deputy Assistant to the President from March 2012 to November 2013, and Associate Counsel and Special Assistant to the President of the United States from September 2010 to March 2012. From July 2009 to September 2010, Mr. Kramer served as Counsel to the Assistant Attorney General for the Antitrust Division of the United States Department of Justice. From July 2006 to June 2009, he served as a Partner with the law firm of Polsinelli PC. From 2001 to 2006, Mr. Kramer was an Associate at the law firm of Covington & Burling LLP. Mr. Kramer holds a B.A. in Philosophy and English from Georgetown University, and a J.D. from the University of Chicago Law School.