Karehn Isagulyan is a seasoned professional with extensive experience in technical training and engineering, currently serving as Technical Trainer III and previously as Test Engineer at Axcelis Technologies since 2010. Prior to this role, Karehn worked as a Consultant and System Administrator at AM Networking, managing Active Directory and Microsoft Exchange environments. Karehn's career includes significant IT management experience at Starwood Hotels & Resorts, overseeing operations for 300 workstations and implementing security policies. Earlier roles include Test Engineer at Computek Warranty Inc. and Electrical Engineer at Fujitsu Siemens, where expertise in troubleshooting and electro-mechanical systems was developed. Karehn holds a Master's degree in Electromechanical Engineering from Moscow Institute of Electronics and Mathematics and additional qualifications in Electric Device Manufacturing and computer education.