Sean McCallum

Sean McCallum serves as the Executive Managing Director at Newmark since April 2025, specializing in office leasing. McCallum brings extensive experience from previous roles, including Principal at Avison Young and Executive Director at Cushman & Wakefield, where expertise in representing both tenants and landlords was developed. In addition to current responsibilities, McCallum also contributes as a Board Member at Hands On Bay Area and an Advisor at Affinity.co. Educational background includes a degree from the University of San Francisco and completion of studies at Christian Brothers High School.