License # 01976818
Will Cliff, a San Francisco Bay Area native, has been working in commercial real estate since 2012 and joined the Colliers San Francisco Investment Services Group (CISG) in 2016.
Will specializes in the sale of commercial properties and development land in downtown San Francisco. Trusted by clients for his local market expertise, deep understanding of real estate value fundamentals, and ability to execute, Will has participated in closing over 50 properties totaling more than $1 billion of product.
Prior to joining CISG, Will worked as a Financial Analyst at CBRE Group, a global commercial real estate services firm. Working on an institutional Class-A agency leasing team in CBRE’s downtown San Francisco office, Will worked on team listings that included both Salesforce Tower and 555 California.
University of California, Los Angeles
Memberships & Involvements
NAIOP San Francisco Bay Area (YPG Class of 2019)
Urban Land Institute
The Belden Club
UCLA Young Alumni Development Council
Executive Vice President
Tony Crossley specializes in the sale of downtown San Francisco commercial properties and development land. Tony has been with Colliers International for the past 23 years and has been a downtown San Francisco investment specialist for the past 33 years.
Executive Vice President
Tim Maas, Executive Vice President, has been directly involved in the sale of commercial buildings in downtown San Francisco since 1986.
Tim’s primary focus is in the sale of investment transactions in the San Francisco Bay Area. He joined Colliers International in 2003 after having spent the previous 13 years with GVA Whitney Cressman as head of its investment division and national practice. He is a member of Colliers Asset Resolutions Team (“CART”), an affiliation of 200 Colliers International investment and leasing professionals representing the trillion dollar CMBS market.
In his 27 year career, Tim has represented landlords on more than three million square feet of agency assignments and has sold over 300 commercial properties for a value exceeding $3 Billion. Clients have included private investors, family trusts, REITS, institutional investors, and corporations.
Darren’s primary focus is on the analysis, underwriting, marketing and sale of commercial properties and residential and office development land in downtown San Francisco.
Kevin McCloskey started his commercial real estate career in 2018 and joined the Colliers International Investment Services Group (CISG) in 2020. Kevin specializes in the underwriting and analysis of commercial properties and development land in downtown San Francisco.
Prior to joining Colliers International, Kevin worked with CBRE, a global real estate services brokerage firm, in downtown San Francisco focusing on tenant and landlord representation in the San Francisco office market.
Kevin graduated from the University of Colorado Boulder with a Bachelor of Science in Business Administration with an emphasis in Finance and Real Estate.