Derwin Callen

Derwin Callen is a retired professional with extensive experience in business development and account management, primarily in the audiovisual technology and healthcare sectors. Callen served as a Business Development Manager at ELB US Inc. since May 2013 and held senior account management roles at several companies, including Drake Systems Group, AVI-SPL, Cobalt Communications, and Spinitar. With a career spanning over three decades, Callen also worked as an Account Executive at Projection Systems and an Account Manager at Harman Consumer Group. Callen holds a degree from California State University, Fresno.