Management Team

Orhan Tolu


Orhan oversees the daily operation of the office to insure all are in compliance with company policies and procedures.  Orhan is also a Certified Century 21 Commercial Investment Network, and the President of Century Funding Mortgage Company. Orhan earned his degree in International Business. He is always available for help and support.

650-558-5222 / 650-218-9988

Mitch Rappaport

VP Strategic Growth & Corporate Development

Mitch has responsibility for corporate development, recruiting, and overall growth in gross revenues. He has had the good fortune to participate in years prior as both managing broker and agent in traditional, luxury, and online real estate companies. Mitch has also undertaken corporate strategy and operational roles for both real estate and technology entities, including startups. In addition, he continues to enjoy representing brokerage clients, delivering in-depth property analyses, investment consulting, and keenly negotiated transactions.




Working in and on different aspects of the Real Estate field for the past fifteen years has given Romeo the confidence and knowledge needed to educate his clients, manage our offices and take the company to the next level. Being a native and having lived in San Francisco all his life, gives Romeo an unparalleled expertise and knowledge of the City. As a second generation Realtor, he has been around the business all of his life and has Real Estate in his blood. This combination translates into the best possible scenario for all of his clients, whether it is a first time buyer, sale of a trust, experienced investor or anyone in between.



Ernesto Martinez

Mentor/ Coach & North San Jose Manager

Ernesto has been doing residential real estate for over 20 years now, and he speaks both Spanish and English fluently. He recruits, trains, and motivates his agents to improve their production while providing excellent support to anyone who needs it. Ernesto is generally at the San Jose office every day, and he looks forward to meeting you. Do not hesitate to call/text/email him whenever you need anything. He is here for you!


Bailey Cheung

Recruiting Manager

Bailey Cheung is a dedicated and passionate professional who puts his clients’ satisfaction before all else.  His attention to detail and superior negotiating skills in real estate has proven to be the driving force to his success.  The pure determination to indulge his clients with first class service sets him apart as an agent.


Michael Devlin

Vice President of Career Development

Over 20 years experience training real estate agents in marketing, presentation skills, negotiation, sales techniques and consulting. I prepare people to pass the California real estate license exam. I advise, consult and train real estate agents in the use of social media and internet strategies in their marketing. He can be reached at 408-572-8377.


Diana George


Diana George is the VP, Manager of Talent Acquisition and Real Estate Investments at Century 21 Real Estate Alliance. She is in charge of a team spanning 6 offices in the Bay Area. She works directly with the CEO, who has built a team of top grossing agents in the country. Prior to getting acquired by Century 21 she was the Founder of Vault Realty Group, and was responsible for strategic planning, management, marketing and operations.  Diana has been featured and/or quoted in WSJ, BBC, Forbes, Associated Press and several other national publications in regards to the real estate market, investments and economy.


Janet Halliburton

Director of Risk Management

Janet, a Chicago native, began her professional real estate career in the San Francisco East Bay over 25 years ago, prior to taking the position as a Manager of Alliance the San Francisco Office of Century 21 Real Estate Alliance. Janet is passionate about real estate ownership whether residential, investment or commercial, and the opportunities provided for stability and wealth-building,  Currently she is the President of the San Francisco Realist chapter (NAREB) and member of the Advisory Board of the Community College of San Francisco (CCSF).


Gerard Alejandro

Millbrae Manager

Gerard started his passion for real estate in 1990, starting out with Century 21 in San Mateo county. A native San Franciscan and doing business all over the bay area, he has been through many cycles of the complex real estate market. His guidance and dedication to his clients have helped them successfully manage their real estate portfolios over the years. As a skilled negotiator in real estate to go above and beyond what clients expect, truly is a winning trait to success. Also, having been in the mortgage side of the real estate business for over 10 years, he has helped many clients achieve their first home or dream homes.


Orhan Tolu


Orhan Tolu has been actively engaged in all aspects of Real Estate including Commercial Real Estate and Finance for over 30 years. He joined Century 21 Alliance as Vice President in 1997 and immediately increase the company production and number of Agents. On 2007 he acquired the company as CEO/President and became responsible in all aspect of daily company operations, recruiting and agent production.