Pat is the managing director of brokerage services in Houston for Colliers.  Pat has more than 37 years of experience in commercial real estate as a producing broker, educator, sales manager and managing broker. Pat relocated to Houston from Florida where he served as President of the Colliers offices in Tampa Bay, Orlando and Southwest Florida.

​Pat started his career as Director of Marketing for a real estate data base company where he spent three years interviewing top brokerage houses throughout the United States and assisted in their automation needs as a consultant and instructor.   As President of the Colliers Houston office, he has direct responsibility for recruiting, training and managing the sales and leasing teams, property management and business plan creation and coordination for the company.

Pat was responsible for building and organizing retail service delivery capabilities for Colliers worldwide as chairman of the Colliers Retail Specialty Group (96-2000, 2002-2013).  Pat is also a founding member of the Colliers Oil and Gas practice group.  Among his academic accomplishments, Pat wrote the capstone case study for the CCIM program's final course offering from 1986 - 1998.  The case study combined the marketing and financial concepts taught by CCIM to allow the students to apply the material to a simulated commercial property disposition.

He has been an instructor for NACORE’s (now CORENET) Intermediate Finance Course and was awarded the Top-Rated Faculty Certificate in 2000.  Pat has been quoted in national and regional publications including the Wall Street Journal, Dow Jones, Newsweek, Real Estate Forum, National Real Estate Investor, Globe Street and others.  He has been an expert panelist for NAIOP, Real Share, ICSC and many other real estate organizations.

Pat has served as a member (and Chairman) of the Colliers Managers Steering committee, the Board of Directors for Colliers USA and is the past Chairman of the Colliers USA Board of Advisors.  In 2003, Pat was awarded Colliers Manager of the Year.  In 2004, he was chosen by Colliers as the Tom Richardson Award recipient, an honor based on strength of character. In 2012, Pat was chosen as the recipient of the Colliers USA Pinnacle Award for service excellence.  Pat is the only person in Colliers to win all three of these awards.  He served as an instructor for Colliers University 2010-14.   In 2017 Pat was recognized as a “Best Boss” by Real Estate Forum magazine.

Brynn Nagel is the accounting administrator for Colliers Houston.  She processes and creates commission invoices, handles accounts payable and receivables, prepares a month end cash flow report, monthly broker expense invoices and year end 1099 tax forms.  She is also responsible for updating and managing the company multi-city reference tool website as well as creating or supplying brokers reports, invoices, or any other detail they have requested.

Brynn worked as an office assistant/assistant bookkeeper from February 2010 until September 2014 when she joined the Colliers International team.  She is knowledgeable in bookkeeping and accounting skills such as accounts payable, accounts receivable, month end reporting, account reconcilement, and budget preparation.

Crissy is passionate about innovation and productivity in the workplace; constantly seeking a better way and helping others succeed are a couple of her daily drivers.

Crissy develops and expands marketing and technology platforms for the Houston office and contributes to the Southwest region.

She started as the marketing specialist at the front desk of a boutique commercial real estate firm in 2007,  with her first assignment of building their website. From there learning commercial real estate and bringing the best marketing practices to the CRE realm has been her focus.

In 2010 that boutique firm merged with Colliers' Houston office where Crissy was promoted to marketing director, now chief marketing officer, and has been responsible for the organization's marketing efforts. Crissy designs and conducts in-house training programs to elevate staff knowledge and to enhance new business skills. She organizes and executes company events and recognition programs to support and promote a positive work culture. In January of 2020, she became a principal of the firm.

Some of Crissy's career highlights include being named Colliers U.S. Marketer of the Year, partaking in Fort Bend's Leadership Class program, being recognized as a local Top 40 Under 40, and taking home awards for Best Market Intelligence and Driving Business Efficiencies & Effectiveness.  

Crissy earned the Commercial Property Marketing Certification (CPMC) from Colliers University.  CPMC is the first and only accreditation for commercial real estate marketing professionals. It offers a professional development path to increase strategic and tactical expertise in marketing/research, knowledge of the industry, and capabilities with commercial real estate tools.