Harold Demaine

Harold Demaine is an experienced Customer Support Engineer currently employed at KLA since July 2025. Prior to this role, Harold served as a Technical Support Engineer at Plasma-Therm from May 2022 to July 2025 and held the position of Technical Support Specialist at Roche Diagnostics from November 2012 to April 2022, focusing on a variety of bio chemistry and immunology analyzer systems. Earlier experience includes a brief stint as a Technical Support Engineer at Edwards, liaison between field engineers and manufacturing, and multiple roles at Applied Materials from 1996 to 2011, where responsibilities encompassed tool installation, setups, and maintenance in semiconductor fabrication. Educational qualifications include a Diploma in Physics Chemistry from AFPA Champs sur Marne, obtained in 1989.