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Sean McMahon | Colliers | Silicon Valley

Sean McMahon

Vice President

License # 02062433

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Professional Summary

Sean McMahon works on a tenant advisory group that has full coverage across the San Francisco Bay Area. The groups specialty focuses on Life Science and Technology occupiers of Office, R&D product.

Sean’s assignments have ranged from Series A startups to publicly traded corporations looking to make informed decisions throughout the various stages of the company’s life cycle.

Prior to joining Colliers in 2018, Sean worked for a software company that was acquired by Hewlett Packard Enterprise.

Sean lives in San Francisco and splits his time between the San Francisco and San Jose office to cover client assignments.


University of Mississippi, Bachelor of Business Administration (B.B.A)

Bellarmine College Preparatory 

Memberships & Involvements

Association of Silicon Valley Brokers (ASVB)

Golden Gate Triathalon Club



Life Sciences, Technology Services

Service Lines

Occupier Services

Featured Research

Apr 8, 2022

2022 Q1 San Francisco Peninsula Market Research Report

San Francisco Peninsula Boasts Strong Activity in Q1 2022
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Apr 8, 2022

2022 Q1 San Jose-Silicon Valley Market Research Report

The Great Return - New tech campuses sprung up in time for Silicon Valley’s great return to the office, pushing absorption into positive territory.
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Jan 7, 2022

2021 Q4 San Jose-Silicon Valley Market Research Report

Big Tech Comes Off the Sidelines, Absorption Rebounds - Silicon Valley’s office market rebounded in the fourth quarter of 2021 with several impressive expansions by big tech.
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Featured News

Jan 14, 2022

Colliers Locates New Headquarters for NIO USA

NIO will consolidate US research, innovation and digital development centers into a 201,500 square-foot facility in San Jose
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