Coldwell Banker Residential Brokerage, a leading provider of real estate services in Colorado, announced today that Sean J. Gilliland, sales associate in the company’s Coldwell Banker Devonshire office in Denver, has earned membership in the company’s International Diamond Society.

“What a pleasure it is for me to welcome Sean as a member of the International Diamond Society,” said Chris Mygatt, president of Coldwell Banker Residential Brokerage in Colorado.  “Sean’s achievement is a shining example of professionalism, dedication and commitment.  In a year when so many in our industry struggled on the path to success, Sean’s consistency, ambition and determination helped him overcome any obstacles standing in his way.”

Gilliland placed sixth in 2010 and seventh in 2009 for sales production among partnerships with Coldwell Banker Residential Brokerage in Colorado.  He specializes in working with investors seeking homes in the more established neighborhoods throughout metro Denver.  Known for his professionalism, dedication to customer service, organizational skills and ability to get things done, Gilliland keeps clients informed abut all aspects of their real estate transaction.

Gilliland’s diverse background includes real estate investing, teaching, finance and marketing.  He earned his bachelor’s degree in finance with an economics minor.  Gilliland has studied Spanish for years, including eight months as the University of Granada in Granada, Spain.  He is a certified TEFL professor and has taught English as a foreign language.

Martial arts have also played a major role in Gilliland’s life.  He studied under 9th degree black belt Grand Master Sun Duk Choi for more than 10 years.  During his years as a student and teacher, Gilliland developed an indomitable spirit and ability to persevere.  He is an active board member of and zoning committee representative for the 4th district of Capitol Hill United Neighborhoods.

The Coldwell Banker Devonshire office in Denver is located at 200 Fillmore Street, Suite 300, and can be reached at 303.758.7611.  Gilliland may be reached directly at 720.284.4411 or via e-mail at  Additional information is available online at