Senior Vice President
License # 397576
Coy Davidson has more than 30 years of experience in commercial real estate specializing in corporate real estate services, tenant representation, office leasing and investment sales. Mr. Davidson joined Colliers in June 2000 as Vice President in the Office Services Group. Prior to joining Colliers, Mr. Davidson served eleven years with two local commercial real estate brokerage firms.
Specializing primarily in office properties and healthcare properties, Mr. Davidson has completed over seven million square feet of lease and sales transactions and the brokerage of more than 1,000 acres of land development sites throughout the Greater Houston area and has assisted clients in multiple cities throughout the United States.
Mr. Davidson has vast experience with Healthcare related entities including major hospital systems and private physicians in the Texas Medical Center and throughout Greater Houston and is a member of Colliers International National Healthcare Service Group. His focus on the healthcare sector has resulted in more than $250 million in healthcare real estate related transactions.
- Colliers' Titan Award (2006, 2014 - 2015, 2020)
- Colliers' Top 10 Producer (2003, 2014)
- Colliers' Everest Club (2014)
- Colliers’ Million Dollar Producer Award (2014)
- In 2011, Coy was profiled in Professional Commercial Real Estate Coach and Consultant, Rod Santomassimo's book “Brokers Who Dominate.” This top-selling book on Amazon.com explores the 8 traits of top producers in the commercial real estate brokerage industry and uncovers the stories behind some of the most successful commercial real estate brokers in North America.
- Publisher of a nationally recognized commercial real estate blog: The Tenant Advisor
- Real Estate Sales Agent's License, Texas
- University of Texas at Austin
Memberships & Involvements
- CoreNet Global
- Houston Association of Realtors (HAR)
- National Association of Realtors (NAR)
- Houston Methodist Hospital
- Tenet Healthcare Corporation
- Houston Plastic & Reconstructive Surgery
- Houston Sinus & Allergy
- Hamilton Vein Center
- The Watershed
- Devereaux Hospital
- KMG Chemicals
- Davis Penn Mortgage Co.
- Kaneka Texas Corporation
- ATA Associates
- AES Corporation
- Orion Marine
- Hoyer Odjfell
- H&R Block
- Texan Bank
- Apto Inc.
- WhiteHat Security
INVESTOR / DEVELOPER
- W.P. Carey
- Grammercy Property Trust
- Braun Enterprises
- Cohen Brothers Realty Corp.
"Coy is the only broker I’d consider using on real estate transactions of any size and in any location. Whether it’s negotiating a lease or selling a multi-million dollar property, Coy has always shown incredible dedication, skill and tenacity. I would feel handicapped without him in the real estate arena.”
Dr. George Dempsey
Chief Executive Officer
Psychology Service Corp.
“Coy is always on "top" of the real estate market. He always has a good idea of what the client "needs" and strives to make that need "happen."
Barlow, Jones & Brust L.L.P.
"Coy is one of the most forward thinking and e-enabled brokers in the business. He definitely understands the core principles of online marketing in today's connected world."
President & Chief Operating Officer
Director of Market Research
Lisa joined Colliers in 2010 as Director of Market Research and has 37 years of commercial real estate experience. Lisa initiates proactive market research projects to further the business goals of the company. She writes and prepares 29 market reports annually, including quarterly reports on Houston's retail, office, industrial and healthcare properties. Further, she prepares statistical ownership reports for various clients as well as an annual Houston Economic Overview. Lisa also creates PowerPoint market presentations, trade journal articles, and other marketing materials supporting the company's business endeavors. She works with senior management in planning the company's marketing strategy and public relations support for local and national conferences, luncheon meetings, recruitment programs, and special events. Lisa works closely with the company's brokers to develop effective custom market research material specific to existing and potential clients.
Lisa serves on the Colliers Editorial Board, the Colliers U.S. Research Council, and is a recipient of the Colliers Researcher of the Year Award.
Lisa earned the Commercial Property Research Certification (CPRC) from Colliers University. CPRC is the first and only accreditation for commercial real estate research 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.
Director, Financial Analytics
Bringing 32 years of experience in commercial real estate, Marilynne joined Colliers in 2018 to provide financial analysis to the company’s leasing and investment sales teams for all types of assets, including the following types of financial analysis:
- lease renewal and relocation comparisons
- mid-term lease renegotiations (“blend and extend”)
- lease buyouts
- sublease disposition/recovery
- build-to-suit vs. design-build
- lease vs. buy
- own vs. sale/leaseback
- landlord net effective rate
- discounted cash flows
Prior to joining Colliers, she specialized in advising companies regarding their financial analysis for commercial real estate requirements or investments for 17 years. Marilynne also has a background in commercial mortgage underwriting/loan originations and commercial real estate appraisal.
Senior Executive Administrator, Brokerage Services
Lisa Sims joined Colliers in 2001 as a member of the Office Services Group. She brings more than 23 years of commercial real estate experience to our team. Lisa oversees all aspects of lease and sale transactions from inception through closing, as well as manages the workflow and facilitation of tasks for her team. Lisa has participated in numerous transactions involving office, medical, land and investment properties. She manages the compilation of research materials, creation of marketing and promotional materials, preparation of financial analysis reports, and provides various other brokerage support services to insure the success of each project in which she is involved. Lisa’s strengths are her attention to detail, unique problem solving skills and her commitment to excellence. She has built an outstanding reputation as a dedicated professional with a strong work ethic and has a proven record of providing excellent internal and external results for clients and the members of her team.
Prior to joining Colliers, Lisa was with a smaller boutique commercial real estate firm in Houston. Previous to that, Lisa spent 18 years working with homebuilders in Houston and Austin, where she gained a multitude of knowledge in many different aspects of residential real estate transactions. Lisa is a native Houstonian.