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Sean Tierney is a technology executive with extensive experience in product development and engineering. Currently serving as Chief Technology Officer and Senior Vice President of Product Development and Technology at Informa TechTarget since January 2000, Sean has been instrumental in driving technology strategies. Prior to this role, Sean was QA Manager at Chrysalis Symbolic Design, where responsibilities included overseeing QA, Release, and Documentation teams for an EDA software startup. Earlier in the career, Sean worked as a Senior Engineer at Raytheon from June 1989 to June 1995. Sean holds a Bachelor of Science in Electrical Engineering with a focus on Electronics, Computer Science, and Math from Merrimack College, earned in June 1989.