Paul J. van der Wansem, the Chairman of our board of directors since 1979, returned as our Chief Executive Officer in October 2004 after a two-year hiatus. He previously served as our CEO from 1979 to July of 2002. From December 1977 to 1981, he served as Vice President of Holec, N.V., a Dutch electronics company, and from 1978 through 1981 he was president of Holec (USA), Inc. From 1973 to 1977, Mr. van der Wansem worked as a Management Consultant for the Boston Consulting Group, Inc., and from 1970 through 1973, Mr. van der Wansem worked as an Adjunct Director of First National City Bank in Amsterdam and New York. Mr. van der Wansem received an undergraduate degree in automotive engineering from Bromsgrove College, England, and holds an M.B.A. from IMD, Switzerland
John E. Beard graduated from Williams College in 1954 and from Harvard Law School in 1957. He joined the law firm Ropes & Gray in 1957 and became a partner in 1967. Mr. Beard has represented companies like Reebok and Timberland in consumer-branded merchandise and EMC and Millipore in high-technology products and services. Mr. Beard has assisted private equity buyers in acquiring businesses using multi-tiered financing structures, and has represented companies in establishing and operating joint ventures and other strategic partnerships. After serving BTU as Corporate Secretary since 1981, Mr. Beard joined the Board as a Director in June, 2002.
Bertrand Loy was appointed Director of BTU in June of 2010. Mr. Loy is executive vice president and chief operating officer of Entegris, Inc. Earlier, he was Entegris' chief administrative officer from August 2005 to July 2008. He served as the chief financial officer of Mykrolis from January 2001 until the 2005 merger with Entegris. From 1995 to 2000 Mr. Loy served in a variety of executive roles at Millipore (Mykrolis). From 1989 until 1995, Mr. Loy served Sandoz Pharmaceuticals (now Novartis) in a variety of financial, audit and controller positions. Mr. Loy has extensive international experience in Europe, Asia-Pacific and Central America and holds a master's degree in business administration from ESSEC, France.
Mr. Parkhill was appointed Director of BTU in 2004. Mr. Parkhill joined The Hall Corporation (formerly The Stackpole Corporation), a privately held company formerly involved in manufacturing operations, in 1983, became COO in 1984 and CEO in 1994. Prior to 1983 Mr. Parkhill held various executive and legal positions with Ionics, Inc. Waters Corporation and Eastern Gas and Fuel Associates. Mr. Parkhill holds a BA from Williams College, J.D. from Boston University (Law Review) and attended the Advanced Management Program at the Harvard Business School.
Joseph F. Wrinn has been a director of the Company since 1999. Mr. Wrinn is a Vice President at Teradyne, Inc, and he has held general management and engineering management positions during his 30+ year career with Teradyne. Mr. Wrinn holds a Bachelors Degree from MIT, and an MBA from Boston University.
Mr. Wyman was appointed Director of BTU in 2004. He retired in 2002 as Senior Vice President, Treasurer and CFO of Mercury Computer, where he started in 1996. Previously he held executive positions at a.o. Dataware Technologies, Lotus Development Corporation and Prime Computer and was a general partner in Hambrecht and Quist Venture Partners. Mr. Wyman also serves on the Board of Directors at Grupo Guayacan, Inc., a Puerto Rico based non-profit private equity management company, and Strategic Lumber Resources Inc., a private company in the pre-finishing of lumber used in the construction industry. Mr. Wyman holds a BS from MIT in chemical engineering and an MBA from Harvard Business School.
Director Emeritus (1919-2011)
Jeffrey Chuan Chu (1919-2011) was a Consultant with SRI and BTU International since 1986. He served as Director of BTU from 1991 to February 2009, when he retired and was given the honorary title of Director Emeritus. He was an Adjunct Professor at Jiao Tong and Sandong University, both of China, and is Advisor to the Chairman, Science & Technology Commission, China. Previously he was the Chairman and CEO at Santec Corporation, Executive Vice President of Wang Laboratories, Vice President at Honeywell Information Systems, Inc., and Chief Engineer at Univac Division of Sperry & Rand. He received his B.A. from the University of Shanghai, B.S. from the University of Minnesota, M.S. from the University of Pennsylvania, D.Sc. from Fournier Institute of Technology.
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Chairman and CEO
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Director
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Director Emeritus (1919-2011) 
