Here at Coldwell Banker Alliance we pride ourselves in providing exceptional service to our clients, Realtors and colleagues.  We understand that the home buying and home selling process can be quite nerve wracking, but we have a great team to  assist you with any problems and questions you may have.  Our customer service is unparalleled and it shows in the professionalism our team members exemplify. Should you have any questions please feel free to contact as at (562) 945-2221.  We look forward to working with you.

Coldwell Banker Alliance Management Team

Jim Emery
OWNER / CEO / BROKER
Jim Emery entered the Real Estate business in 1966 as a part time agent serving Whittier and Pico Rivera. During the next 4.5 years he obtained his brokers license and became general manager for the firm he worked for. Jim obtained GRI (Graduate of the Realtors Institute) designation, the highest level of REALTOR education at that time.

Jim opened his own brokerage company in 1971, joined Century 21 system as the number 10 franchise in 1972. Over the next 21 years century 21 Emery was the largest and highest producing franchise in the nation for C-21 for over 15 years.

The company switched franchises to Prudential in 1993 and again switched franchises to COLDWELL BANKER in 2000.

Today, Jim is broker, co-owner, president and CEO of COLDWELL BANKER ALLIANCE with offices in Whittier and Hacienda Heights. Mr. Emery is also broker, co-owner and CEO of COLDWELL BANKER COMMERCIAL ADVANTAGE REAL ESTATE a full service commercial brokerage.

In addition Mr. Emery operates businesses in Escrow and Mortgage. 50 YEARS in real estate

Licenses: BRE Licenses as Broker and Corporate Office, GRI
Jennifer Brown
Vice President
Jennifer Brown was born and raised in Whittier. After getting married and while raising her two young sons, she decided to get her Real Estate license and pursue a career in Real Estate. After selling homes for several years she joined Coldwell Banker Alliance.

Her passion for helping people quickly led her into management as a training director where she created a new agent training program designed to get new agents productive within their first 90 days.

In 2007, Jennifer became a partner and has continued to inspire her agents to achieve high levels of success through exceptional training, continuous support and lots of motivation.

In Jennifer’s spare time she enjoys reading, spending time with her family, wine tasting, dancing and being smothered with love by her 3 furry friends – Roxy (Chocolate Lab), Harley (Bassett/Germand Shepard Mix) and Shasta (Neopolitan Mastiff).

Support Staff

Ron Dutchen
Office Manager
Born in Downtown Los Angeles
Worked in Mens Neckwear Mfg from 1971-2000
Realtor from 2000 to present
Worked 2 years in New Home Sales for Standard Pacific and Pacific Communities
In 2011 Starting recruited for Coldwell Banker Alliance. Training, Mentoring and Coaching were added over the last several years.
I enjoy helping our agents with their business and accountability.
Always willing to learn and find ways to make our job easier.
Married for 40 plus years with two sons and four grandchildren.
our eldest son David works with my wife and I here at Coldwell Baker Alliance
I love road trips with my wife, time with our grandkids, THE LAKERS, Movies, Music and Bowling.
Belen Martinez
Human Resources
Human Resource Department

Process agent commissions. Verify and reconcile the closing of internal reports and those of Crest, for agent production status. Process all new hire files for both agents & staff. Oversee the Company's 125K benefit packet for administrative staff, Workers Comp and E&O.

On a personal note, I enjoy walking my Siberian Husky, taking dance classes, Tai Chi and Yoga.
Gonzalo Diazibarra
Marketing Director / Information Technology
Gonzalo plays a pivotal part in day-to-day operations at Coldwell Banker Alliance. His primary job function is to maintain and operate all information systems. He manages and oversees all servers, computers, printers, networking peripherals and all end users within the network.


His secondary key role is in managing the graphics and marketing department. Here he overlooks and maintains all company Web presences including: Coldwell Banker Alliance's website, Real Estate School Website, Social Media Platforms : Facebook, Twitter, Instagram, Google+, and Youtube. Gonzalo is a super tech, and also teaches Realtors everything tech: from software to social media.


Gonzalo is married, has a maltese puppy that has his own Instagram account, enjoys traveling, going to Dodger Games, playing golf, trying new beers and listening to good music. He also has his own professional photography business.
Patricia Venegas
Administrative Assistant / Compliance
Valerie Hernandez
Brand Specialist / Concierge
Valerie is a Brand Specialist and Concierge for Coldwell Banker Alliance Realty. In her role she works on connecting realtors to the all resources to help their business become more efficient and grow. She guides the agents in Coldwell Banker agent online platform, products and marketing, as well as providing content for social media.

Valerie is a mother, Realtor, Grey's Anatomy fanatic, avid food lover, fine dining appreciator and beanhead.
Ming Kuo
Administrative Assistant/Receptionist
-Greet office visitors and agents cheerfully
-Handle office phone calls and emails professionally while representing company image
-Maintain and manage office environment and supplies
-Provide administrative support to office managers and agents
-Follow up and update office production report on a daily basis
-Work as a Transaction Coordinator for Broker’s file fulfillment
-Conduct file compliance and submit agent commission disbursement to Broker for closing
Angelina Contreras
Receptionist / Alliance School of RE Admin
Angelina has been with Coldwell Banker Alliance for over 4 years, and is currently the Administrator for the Alliance School of Real Estate as well as the full time Office Receptionist Some of her job duties include enrolling new students, dealing with incoming calls regarding the school, and collecting payments. She also acts as the messenger for the classes and will keep students updated throughout the course.
Debbie Hunt
Receptionist
Brianna Connolly
Graphic Designer
Brianna currently provides designing and printing services for the realtors and the staff at Coldwell Banker Alliance. Her tasks include creating print and online media such as flyers, postcards and business cards to help with advertising and marketing. She has been doing graphic design for over 5 years.