BRIAN F. SULLIVAN

Corporate Board Profile

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ENTEGRIS INC

Filing Date Source Excerpt
2016-04-15 Mr. Sullivan is CEO of a biotechnology company and has extensive business experience, but no direct software engineering or programming background mentioned.
2017-04-14 Mr. Sullivan is currently Chairman and CEO of Celcuity LLC, a biotechnology company he co-founded in 2012. He co-founded Recovery Engineering, Inc. in 1986, and was Chairman and Chief Executive Officer until it was sold in 1999 to Proctor & Gamble Co.
2018-03-28 Mr. Sullivan is Chairman and CEO of Celcuity Inc., a biotechnology company he co-founded. He has extensive business and management experience but no indication of software programming skills.
2019-03-20 Mr. Sullivan is currently Chair and CEO of Celcuity Inc., a biotechnology company he co-founded in 2012.
2020-03-18 Mr. Sullivan has served as Chair and CEO of Celcuity Inc., a biotechnology company he co-founded, since 2012. ... Mr. Sullivan co-founded Recovery Engineering, Inc., a water treatment systems company, in 1986.
2021-03-17 Mr. Sullivan is a proven entrepreneur and executive with significant experience founding and leading companies across the high technology and life sciences industries.

Data sourced from SEC filings. Last updated: 2026-02-03