Meet Our Experts

Erin Proto

Senior Research Manager

101 Second Street, 11th Floor
San Francisco, CA 94105
United States

Office: +1 415 288 7827


Erin Proto joined Colliers International’s San Francisco Office in December of 2013. She heads up the research department and is responsible for authoring office, multifamily and retail research reports. She is responsible for the management of all data collection, quality control, aggregation, analysis, interpretation and timely reporting of market information and trends. Prior to Colliers, Ms. Proto served as Director of Research at Cornish & Carey Commercial Newmark Knight Frank (C&C) for the Walnut Creek and Pleasanton offices.  Before joining C&C, she worked for Grubb & Ellis as Vice President, Director of Research & Marketing in the East Bay and San Francisco offices. During her eleven years at Grubb & Ellis, she mananged the companies research and marketing efforts, including managing the research and marketing team, responsible for the database, market analysis, quarterly and forecast reports, creation of key proposals and presentations. She was all so responsible for all direct marketing functions of the office including collateral material development, communications, web presence, social media marketing, public relations, forecast events and conventional advertising.


 Colliers Market Research iPad App 2015 – Best Market Intelligence Initiative – Finalist

Commercial Real Estate Women (CREW) - Membership Committee


Research Services


The SF Registry, The SF Business Times, Costar, Digital Sky Aerial Imaging, Sig-1, Cornish & Carey Commercial Newmark Knight Frank, Grubb & Ellis


 California State University, Hayward

Affiliations & Memberships


37.78811600 -122.39921000

Contact Erin