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Mark Helsel is a retired professional with extensive experience in engineering and education. Most recently, Mark served as a Photolithographic Engineer at Matthews International from February 2020 until retirement in July 2023. Prior to this role, Mark was a Sr. Staff Engineer at Microvision for over a decade, and also contributed as an Instructor at North Seattle Community College. Mark's early career included a position as a Project Engineer at AlliedSignal from 1990 to 1997. Mark holds two degrees from the University of Pennsylvania: a Bachelor of Science in Engineering (BSE) in Mechanical Engineering and a Master of Science in Engineering (MSE) in Electrical and Electronics Engineering.