Meet Jeff Tung... Experience Jeff Tung is a full-time real estate professional. As the Broker and Owner of Realty World, Jeff serves clients in San Francisco, San Mateo and Santa Clara Counties. Honors Consistently outstanding in his field, Jeff has received numerous awards in recognition of his exemplary performance on behalf of clients. He is a Lifetime member of the San Mateo Board of Realtors Million Dollar Club as well as a member of the REALTY WORLD Multi-Million Dollar Club. He holds REALTY WORLD'S Most Improved Office Award and is also a Silver Award Winner with the San Mateo Board of Realtors. Professional Designations Jeff believes that one of the keys to success, both for himself and his clients, is a continually updated education. He takes many classes and seminars to increase his effectiveness and has earned two of the real estate industry's most prestigious professional designations: GRI (Graduate Realtor Institute) and CRS (Certified Residential Specialist). Nationally recognized, these designations are earned through a rigorous course of study as well as demonstrated professional experience. They are Jeff's assurances to you that he provides quality service.