Meet the Team

Susanna Marquez - Pacific Sothebys

Mark Marquez

Pacific Sotheby's International Realty
DRE# 01232386


Licensed in 1998, Mark specializes in Luxury Homes, New Construction, Land, Commercial and Relocation Clients in the San Diego North County Inland and Coastal markets. Broker/owner, Corporate Officer and mentor with two prior successful national real estate brands, Mark also serves the San Diego, State and National Associations at various levels including Director and President of the San Diego Association of Realtors in 2010 and 2019 SDAR Platinum Award Winner for the Highest Level of Sales Production.

Susanna Marquez - Pacific Sothebys

Susana Marquez

Pacific Sotheby's International Realty
DRE# 01710871


Susana Marquez has been an active bilingual Real Estate Professional since 2004 and Specializes in Residential Home Sales. She understands the Importance of maintaining her Values and Work Ethic, with an Honest and Enthusiastic Attitude. Team Member since 2002.

Kimberly Callahan

​​​​​​​Pacific Sotheby’s International Realty
CA DRE# 01953675
Mrs. Callahan supports all aspects of the Transaction to assure a smooth Closing. Job duties include the New Listing Support, Escrows follow up, New Developments, Marketing, and Client support Services. She is a SDAR member and a Real Estate Professional. With an Honest and Enthusiastic Attitude she is committed to providing the Best Service to Exceed our Client’s Expectations. Team member since 2019.

Bonnie Gale

Transaction Coordinator
CA DRE# 01303508


Bonnie has been active in real estate since 1997. First, as a real estate assistant, and beginning in 1999 a transaction coordinator and office manager. As a licensed real estate agent working as a transaction coordinator, Bonnie has helped close thousands of transactions and coordinates every aspect of Mark’s closings to ensure a smooth process for our buyers and sellers. Team Member since 2002.

Christina Liebner

Transaction Coordinator


As a licensed real estate agent working as a transaction coordinator, Christina has helped close thousands of transactions and coordinates every aspect of Mark’s closings to ensure a smooth process for the buyers and sellers. Team Member since 2013.