Kristina Blackburn

Gary Mabray has more than 45 years of experience in commercial real estate in Houston and the Gulf Coast region.  As an industrial real estate professional he has particular expertise in warehouse, rail served properties, fabrication facilities, and ship channel sites.  He began his sales career with Texas Industries, selling construction materials, before joining his father, Tom C. Mabray, in the family commercial real estate brokerage business.  During his career, Mr. Mabray has represented a broad range of public and private corporate clients in both industrial and office transactions.

While at Colliers, he has consistently ranked among the company’s top producing brokers, receiving the Top Producer and Deal of the Year Award and ranking as a Top 10 Producer numerous times over the last 10 years.

Jon specializes in the industrial and land sectors of the Houston MSA commercial real estate market. He has 10 years of commercial real estate experience and has completed more than 300 transactions. These transactions include tenant and buyer representation, dispositions, design/construct, and build-to-suit evaluations. In addition to brokerage Jon has extensive knowledge of investment real estate and has advised clients with the acquisition and development of several land tracks and income producing assets. His track record of brokerage and advisement services enables Jon to provide unparalleled value to his clients.

Prior to joining Colliers, Jon worked at a large local real estate firm and co-founded a boutique real estate firm. In 2015, he joined Colliers to advise his clients not only in the Houston local market, but also on a global basis if desired.

Jon is a graduate of Sam Houston State University with a double major (Finance and Banking Institutions) while lettering three years with the baseball team. He was drafted by the New York Yankees in 2004.

Walker focuses primarily on industrial real estate sale and lease transactions involving warehouses, manufacturing facilities and land in the greater Houston area. He was named Principal in 2010, and was elected as a Director in 2013. He serves on the firm’s Governance Committee. He also leads the industrial division of the firm, a group comprised of 28 industrial real estate specialists. He has demonstrated consistent leadership in revenue production and has been recognized as a regular top ten performer in Houston. Walker has also achieved revenue performance in the top 10% of all Colliers offices worldwide.

Prior to joining Colliers, he graduated from the Jesse H. Jones Graduate School of Management at Rice University in 2002. While earning an MBA, he worked for FedEx in Hong Kong. Prior to graduate school, Mr. Barnett served for four years on the legislative staff of United States Senator Bill Frist in Washington, DC. 

He graduated from Vanderbilt University in 1996.

Ryan Byrd joined Colliers in 2013 as an associate. In 2020, Ryan became the youngest Principal in company history. He specializes in land sales, acquisitions, and tenant/owner representation.

Since joining Colliers, Ryan has completed more than 37.7 million square feet in industrial transactions and more than 650 acres in land transactions.

Judd specializes in the areas of tenant and landlord representation on industrial and land transactions, and is recognized as one of the most service focused brokers in the business. He brings years of commercial real estate to the Houston industrial team with prior career experience in commercial construction and energy banking. Since 2013, he has completed more than 160 transactions totaling more than 3.1M square feet. Judd is also a graduate of Texas A&M University and earned an MBA at the University of Houston’s C.T. Bauer College of Business. In his free time, Judd enjoys golf, hunting and spending time with his wife and two children.

Mr. Byrd joined Colliers in 1997 after eight years with Insignia/Paragon Group, Inc. where he served various capacities including Director of Property Management, Director of Corporate Services and Director of Land Division.  Prior to joining Paragon Commercial Group, Inc. in June 1989, Mr. Byrd served as Vice President for Brookhollow Corporation in its Greensboro, North Carolina and Houston, Texas offices.  While Mr. Byrd was with Brookhollow Corporation, his responsibilities included overall marketing, management, construction and planning of Brookhollow’s properties which consisted of office, retail and land developments.  His real estate experience also includes the feasibility analysis, planning and construction of three mixed- use land developments totaling more than 750 acres in three states.  In his 18 years with Colliers, Mr. Byrd has been directly responsible for the marketing, negotiating and closing of more than 425 sales and leasing transactions representing a value in excess of $1 billion dollars.

Walter Menuet has more than 30 years of experience in commercial real estate in Houston and the surrounding areas. Walter focuses primarily on industrial real estate sale and lease transactions involving warehouses, manufacturing facilities, and land.

Walter is a 25-year veteran of the Vantage Companies, a Dallas based developer of commercial real estate. During this time, Vantage developed more than 10 million square feet of industrial properties in Houston, on which Walter served as the in-house leasing and sales broker.

Walter’s primary responsibilities at Vantage were leasing and disposition of Vantage developments as well as a portfolio of third party owned properties in the Houston area. Notable third party landlord clients included DCT Industrial, Principal, Mountain West Industrial Properties, The Carson Companies, DDR, The Meritex Companies, Core Real Estate, CMC Commercial Realty Group and American Industrial Properties. During his tenure with Vantage, Walter closed more than 500 transactions in approximately 10 million square feet of space with total transaction values of approximately $300 million.

Walter made the move to Colliers  | Houston in 2012 and has continued as an Industrial Specialist serving the needs of landlords, tenants, buyers, and sellers. Notable clients served in seven years with Colliers include Liberty Property Trust, Prologis, Crow Holdings, Inc., Mountain West Industrial Properties, The Meritex Companies, Industry Capital, Berkeley Capital, CUNA Mutual, ML Realty Partners, and The Fort Worth Foundation.

In seven years at Colliers, Walter has closed more than 7 million square feet of transactions with an aggregate value of more than $200 million. 

Walter has won the CoStar Power Broker award numerous times for leasing transaction volume and has been named an industrial brokerage Heavy Hitter by the Houston Business Journal. In 2017, Walter was on the landlord team for the NAIOP Industrial Deal of the Year and was named to Colliers’ Everest Club as a national top 10% producer.