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About GEM Realtors

Realtor Kathy O. Christmas
Kathy O. Christmas

CalBRE #01348717

(858) 922-9599

Realtor Wendy Ambrose
Wendy Ambrose
Broker Associate,

CalBRE #01199984

619-838-5877 Mobile

Realtor Andrea Flint-Gogek
Andrea Flint-Gogek
SRS, Notary Public

CalBRE #01328484

619-992-8793 Mobile

Kathy O’Hara Christmas is a residential real estate specialist and property investment advisor who has a comprehensive understanding of the San Diego housing market. She helps her clients achieve their dream of home ownership by providing reliable and accurate information. A tenacious negotiator, Kathy always works to protect the best interests of her clients.

Born in Phoenix, Arizona, Kathy began her professional career in the US Navy. It was the US Navy that brought Kathy to San Diego, a city that to this day fills her with pride. When she returned to civilian life in 2002, a small real estate firm convinced her that she had the entrepreneurial spirit to be an excellent realtor. In 2004, she expanded her understanding of real estate when she signed on with Larry Cox of Cox Properties. In 2007, Kathy left Cox Properties and established GEM Real Estate and Golden Property Management, (

Kathy is a licensed Broker, and earned her MBA
in 2010.

You'll be hard-pressed to find another realtor with more enthusiasm or a more positive attitude than Wendy Ambrose. Wendy loves what she does. "People trust me with their most valuable asset. It's a responsibility I take very seriously. I give 110%, because I know the client's success is my success."

With the kind of know how that comes from 20+ years of selling real estate, Wendy can handle the most complicated real estate transactions. As a native San Diegan she has insight into the various neighborhoods in the community and knows how to sell San Diego. Wendy has become an expert at putting together smooth, trouble-free transactions.

To do an even better job for her clients and to stay ahead in a very competitive industry, Wendy continues to take real estate classes and seminars. Wendy has her California Brokers license and also holds the prestigious GRI designation (Graduate Realtors' Institute) placing her in the top 3% of realtors nationwide.

Andrea understands that buying or selling a home may be the most important – and sometimes the most stressful – decision of your life. But Andrea’s clients feel reassured that they receive the most professional, reliable and detail-oriented service, with personal caring and consideration.

A life-long resident of San Diego County, Andrea knows all the neighborhoods in her 13+ years as a real estate agent: selling as far north as Murietta, East to Pine Valley, South to Otay Lakes, West to Ocean Beach and everything in between. She loves East County, where she, her family, and a large extended family all live. Andrea began her real estate career at Prudential California Realty, La Mesa office, where she received the Rookie of the Year award. After moving to Keller Williams, she received Top Producer award several years in a row. Following two years of study and training, Andrea was awarded the California Association of Realtors’ Graduate Realtor Institute (GRI) designation, and later the Seniors Real Estate Specialist (SRES) professional designation for specialization in the needs of senior citizen property owners. She has obtained the Accredited Buyer’s Representative (ABR) designation and the (SRS) Seller Representative Specialist Designation to better serve her buyers and sellers. Also an SFR (Short Sale and Foreclosure Specialist), she knows all aspects of real estate.

Andrea helps take the stress out of buying and selling real estate, instead turning it into an exciting and rewarding experience. Her professionalism, knowledge of neighborhoods and infectious enthusiasm will make your transaction a rewarding and memorable experience.

GEM Real Estate