Leadership Team
El Warner
Vice Chair | Retail Capital Markets
Irvine, CA
In his role as Colliers National Retail Capital Markets U.S. leader, Mr. Warner leverages his extensive expertise and deep CRE investor relationships to advise the largest owners and buyers of retail centers nationwide.
Charley Simpson
Senior Vice President | Retail Capital Markets
Irvine, CA
Charley has advised clients in the disposition or acquisition of over 150 shopping centers across the country totaling over $2.7 billion in consideration, and specializes in the sale of multi-tenant shopping centers.
Caitlin Zirpolo
Vice President | Retail Capital Markets
Irvine, CA
As Vice President and co-partner of the Institutional Property organization, Caitlin specializes in the disposition of high quality retail assets nationwide, has broken numerous national cap rate records.
Featured Experts
Alyssa Mera
Senior Associate | Retail Capital Markets
San Diego, CA
As a member of the Private Capital Group at Colliers International, Alyssa specializes in the acquisition and disposition of privately owned shopping centers and net leased assets in Southern California.
Ryan Marn
Senior Vice President | Retail Capital Markets
Seattle, WA
Ryan’s area of specialization is institutionally and privately held retail assets in Washington, Oregon, and Idaho. He spent 13 years with Colliers International as an Associate Vice President for Retail Capital Markets.
Steven Roberto
Analyst | Retail Capital Markets
Irvine, CA
Steven specializes in underwriting large institutional assets across the U.S. He is passionate about the numbers, and finds value for a wide range of clients by utilizing both thoughtful data analysis and high attention to detail.