Paul L H Olson

Paul L.H. Olson has been a director of Entegris since August 2005. He has served as the independent Chairman of the Board of the Entegris since May of 2011. He served as lead director of Entegris Minnesota and as Chairman of the Governance Committee of the Entegris Minnesota Board of Directors from March 2003 until the 2005 merger with Mykrolis, and as a the Chairman of the Governance and Nominating Committee of the Company’s Board of Directors until 2011. Mr. Olson served as the CEO and a director of nuBridges, Inc., a software business headquartered in Atlanta, Georgia from 2008 until its merger with Liaison Technologies, Inc. in 2011; he served on the board of directors of Liaison Technologies, Inc., serving as Chairman of its Compensation Committee and as a member of its Audit Committee. He served as EVP of Bethel University from 2002 to 2008. Prior to 2000, Mr. Olson was a founding executive of Sterling Commerce, Inc., an electronic commerce software company. Prior to his role with Sterling Commerce, he held executive positions with Sterling Software, Inc. and Michigan National Corp. Mr. Olson is a member of the board of directors of several private companies and non-profit organizations, including WMC Industries, Inc. (where he is lead director) and Macalester College (where he serves on the infrastructure and audit committees); Mr. Olson also served as an advisor to Data Dimensions, Inc. and Thoma Bravo Equity Partners. Mr. Olson holds a BA degree from Macalester College, an MBA from the University of St. Thomas, and a doctorate degree from the University of Pennsylvania.