Principal & Director | Houston
License # 427139
Mr. Parsley has been involved in all phases of the commercial real estate industry including design, construction and architectural for more than 26 years. A native Houstonian, he returned to Houston in 1992 after spending more than 10 years as Sales Manager in the Midwest, Northeast & Southwest USA for commercial building products divisions of two Fortune 100 companies – Armstrong World Industries and the General Electric Corporation. After spending nearly three years as a Top 10 producer with the Grubb & Ellis company, John joined Colliers in 1999 and is a Principal and Director of the firm. He specializes in leasing office and investments including the acquisitions and dispositions of commercial buildings. During his sixteen years as a licensed commercial real estate professional, he has represented a wide range of public and private companies in the office, industrial and investment areas, including many law firms, energy, financial services and technology firms.
John has been one of Colliers’ Top 10 producers consistently throughout his career and was named a “Heavy Hitter” by the Houston Business Journal. He previously served as the President of the Houston Office Leasing Brokers Association (HOLBA) and in 2003 earned his SIOR designation from the Society of Industrial and Office Realtors. The SIOR designation is a professional symbol of the highest level of knowledge, production and ethics. Only 2,800 commercial brokers worldwide have earned this designation and less than 1,000 are office specialists. John live by the philosophy of providing the highest level of service to clients, which means being involved in all phases including negotiations, analytical and market research while keeping the client fully informed throughout the entire transaction.
- Colliers' Top 10 Producer (2000 - 2002, 2008, 2009, 2011, 2015 - 2017, 2019)
- Colliers' Titan Award (2004, 2006 - 2008, 2011, 2013 - 2019)
- Colliers' Everest Club (2016, 2017)
- CRE Office Tenant Rep Heavy Hitter Houston Business Journal (2012, 2018)
- Real Estate Sales Agent's License, Texas
- Bachelor of Arts in Communications, The University of Arkansas
Memberships & Involvements
- Houston Office Leasing and Brokers Association (HOLBA)
- Colliers Law Firm Services Group Member
- Colliers Occupier Advisors Member
“My partners and I simply want to thank you and your team for all of your efforts and hard work with both our recent relocation (and taking of additional space) and our previous lease renewal. Your expertise and advice made the process as painless as it can be. Your knowledge of the Houston market in general and our complex in particular were invaluable to use in securing the best terms possible. While I am certain we could have negotiated the lease extensions on our own (would any lawyer say otherwise), I am equally certain that the final result would not have been as favorable to us as it ultimately was had Colliers not been involved.”
Jeffrey E. Sher, Managing Partner
Fizer, Beck, Webster, Bentley & Scroggins
Senior Executive Administrator, Brokerage Services | Houston
Lisa Sims joined Colliers International in 2001 as a member of the Office Services Group. She brings more than 21 years of commercial real estate experience to our team. Lisa participates in transaction management and facilitates successful lease and sale transactions for the clients and brokers of her team. She provides a high level of professionalism and superior internal and external client service to every assignment. Lisa has participated in numerous transactions involving office, medical, land and investment properties. She manages the compilation of research materials, creates marketing and promotional materials, prepares 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 client service to accomplish team goals.
Prior to joining Colliers International, Lisa was with a smaller boutique commercial real estate firm. Previous to that, Lisa spent 18 years working with homebuilders in Houston, Texas and in Austin, Texas, where she gained a multitude of knowledge in many different aspects of residential real estate transactions. Lisa is a native Houstonian.
Director of Market Research | Houston
Lisa joined Colliers in 2010 as Director of Market Research bringing 26 years of commercial real estate experience to the firm. Lisa initiates proactive market research projects to further the business goals of the company. She writes and prepares 29 market reports annually which include 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 in support of 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 both existing and potential clients.
Lisa serves on the Colliers International Editorial Board, the Colliers International U.S. Research Council, is a Colliers Center of Excellence team member and is a recipient of the Colliers International 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 | Houston
Bringing 31 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. Prior to joining Colliers, she specialized in advising companies regarding their commercial real estate requirements or investments, including the following types of financial analysis:
- lease renewal and relocation comparisons
- mid-term lease renegotiations (“blend and extend”)
- lease buyouts
- sublease disposition/recovery
- comparison of build-to-suit/design-build to lease
- lease vs. buy
- own vs. sale/leaseback
- landlord net effective rate and IRR
- investor discounted cash flow analysis
- direct capitalization
Marilynne also has a background in commercial mortgage underwriting/loan originations and commercial real estate appraisal