Data Domain Inc.

Hugo Patterson joined us in March 2002 and has served as our Chief Architect since May 2002. From November 1999 to March 2002, Dr. Patterson was the lead architect for data availability and management at Network Appliance Inc., a provider of storage and data management solutions. Dr. Patterson holds a B.A. in Mathematics from the University of Chicago, an M.S. in Electrical Engineering from the University of Maryland and a Ph.D. in Electrical and Computer Engineering from Carnegie Mellon University.

Kai Li co-founded our company in October 2001. Dr. Li has been consulting as Chief Scientist for us since September 2002. In addition, Dr. Li served as our Chief Technology Officer from October 2001 to August 2002 and as President and Chief Executive Officer from November 2001 to February 2002. Dr. Li has also served as a member of our board of directors since the company's inception. Since September 1986, Dr. Li has also been a professor of Computer Science at Princeton University. He is a board member of the Intel Microcomputer Research Lab Advisory council. Dr. Li holds a B.S. in computer science from Jilin University, an M.S. in Computer Science from the University of Science and Technology of China, Chinese Academy of Sciences and a Ph.D. in Computer Science from Yale University.

Beth White joined Data Domain as Vice President of Marketing in 2006. Prior to joining Data Domain, Ms. White was Vice President of Corporate Marketing at Aarohi Communications, Inc., an intelligent storage component provider. Ms. White also held the position of Vice President of Worldwide Marketing at Vixel Corporation, a storage switch company. Ms. White holds a B.S. in Business Administration from Northern Arizona University.

Brian Biles co-founded Data Domain in October 2001 and has served as Vice President of Product Management since 2006. Prior to 2006, Mr. Biles held the position of Vice President of Marketing. Before co-founding Data Domain, Mr. Biles served as Vice President of Marketing and Business Development at VA Linux Systems, Inc.. Mr. Biles holds a B.A. in Information and Computer Sciences from the University of California, Santa Cruz.

David Sangster has served as our Vice President of Operations since September 2004. From January 2000 to September 2004, Mr. Sangster held various executive positions, including Director of New Product Introduction, at McDATA Corporation, a provider of data access solutions (recently acquired by Brocade Communication Systems, Inc.), and Director of Manufacturing at Nishan Systems, Inc., a supplier of IP storage solutions (later acquired by McDATA Corporation). Mr. Sangster holds a B.S. in Mechanical Engineering from the Massachusetts Institute of Technology, an M.S. in Manufacturing Systems Engineering from Stanford University and an M.B.A. from Santa Clara University.

David Schneider is the Senior Vice President of Worldwide Sales at Data Domain. Prior to joining Data Domain, Mr. Schneider served as Vice President of Alliances, Channel and OEM sales for Borland Software Corporation. Mr. Schneider served as Vice President of Western United States Sales for TogetherSoft Corporation (later acquired by Borland Software Corporation). Mr. Schneider has also held the postion of Western Regional Manager at Iona Technologies, Inc. Mr. Schneider holds a B.A. in Political Science from the University of California, Irvine.