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.
Vice President | The Woodlands
Houston - The Woodlands
Jillian joined Colliers International in 2015 with seven years of experience in the commercial real estate industry. She works out of The Woodlands office with Norm Munoz and Bob Parsley focusing primarily on office landlord representation. They manage a portfolio of Class A and Class B office buildings in The Woodlands totaling more than 2.5 millon square feet. Her prior experience as office leasing agent in the Texas market makes her an asset to our Houston team.
Prior to joining Colliers, Jillian spent five years as Senior Leasing Associate in Dallas with a Houston-based company who specializes in owning, investing, leasing, and managing office buildings throughtout the nation. Jillian managed a portfolio of office buildings totaling more than 1.2 million square feet and produced leases totaling more than 600,000 square feet at a value of more than $9.8 million.
Senior Vice President | Houston
Houston - The Woodlands
Mr. Munoz has been involved in the commercial real estate business for 27 years.
Prior to joining Colliers Appelt Womack Inc., dba Colliers International in 2000, Norm worked from 1992 to 1999 with Baca Landata, Inc. (a subsidiary of Stewart Title) and The Baca Group. The Baca companies were the leading local providers for commercial real estate information and as Vice President and Senior Analyst he was responsible for writing the nationally recognized Houston Office Market Guide each quarter, developing new business and servicing clients.
From 1990 to 1992, Mr. Munoz was a Research Analyst with Property Research & Investment Consultants, Inc. responsible for tracking the absorption, lease rates and occupancy each quarter for 1,800 general purpose and medical-professional office buildings. Property Research was the first real estate information company to systematically survey Houston’s office and industrial markets and its methodologies and level of accuracy set the standard for today’s commercial real estate industry.
Norm’s attention to detail, ability to interpret raw data and his market knowledge, coupled with his working experience with the leading commercial brokerage firms, building owners, REITS, developers, property management companies and financial institutions make him an asset to his client’s real estate decision-making process.
Co-Chairman & Principal | Houston
Mr. Parsley has been involved in and responsible for all phases of commercial real estate brokerage activity over the past 36 years. A native Houstonian, he returned to Houston after graduating from law school in 1979 to serve as an attorney with Bracewell & Patterson, specializing in corporate law. In 1983, he joined Colliers International, where he is one of the company’s principal shareholders. He served as President and CEO of Colliers' Houston office prior to assuming the position of Co-Chairman in 2004. He brings a wide range of real estate experience, along with an understanding of the legal issues involved in real estate transactions. He has represented a broad range of corporate clients, both public and private, in office and industrial sales and office tenant rep lease transactions in Houston and throughout the USA. Bob currently serves as a member of Colliers’ Tenant Advisory Council, Healthcare Services Group and Law Firm Services Group. Bob has been one of the top two producers in the Colliers Houston office for the past 15 years. He has also been a Colliers Everest Award recipient since the inception of the award, which is granted to the top 10% of producers for Colliers International in North America. In 2018, Bob was recognized as the #2 ranked 2018 Heavy Hitter for office tenant representation in the greater Houston area with more than $200 million in gross dollar value of deals executed in 2017. In 2020, Bob was recognized by Connect Media-CRE as one of the top 105 leading commercial real estate professionals nationally in property sales and leasing based on 2019 total dollar volume, total deal square footage and total number of transactions. The SIOR designation that he carries signifies the highest level of accountability and ethical standards in commercial real estate.
Principal & Director | Houston
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.
Principal | Houston
Mr. Ryan has been involved in the commercial real estate business for 17 years, 13 years of which he has spent at Colliers International.
Walker joined Colliers International in the Office Services Group in 2006, specializing in tenant representation and owner representation. Walker has been a top producer at the Colliers Houston office since 2013.
Prior to joining Colliers International, Mr. Ryan began his career at The Friedkin companies as a Financial Analyst, and in 2001 made a transition to Lewis Realty Advisors as an appraiser. Following that, Walker accepted a position with Avail Consulting (formerly Arthur Andersen’s valuation group) in their Real Estate division. In 2005, Walker made the move to U.S. Trust, as a Vice President in the Business Development division.
Walker’s abilities to determine value, to run and understand financial models and to work well with clients, coupled with his market knowledge, and working experience with the leading commercial brokerage firms, building owners, REITS, developers, property management companies and financial institutions make him an asset to all of his clients in their real estate decision-making process.
Associate | The Woodlands
Houston - The Woodlands
Mr. Duffy comes from a background of real estate experts across the country and has a deep understanding of finance. As a second generation advisor in the commercial real estate industry, Connor provides a deep level understanding and knowledge of market research and leasing services throughout Houston, Texas.
With time spent on the process and execution of evaluating properties, Connor understands the value of properties and assists clients, helping them get the most for their assets. After experiencing training from the top producers here at Colliers in Houston, he is equipped to secure tenants looking for placement assistance and help investors make smart business decisions. Connor strives to provide a top-notch experience throughout the entire commercial real estate process and customizes each individual client need that comes across his desk.
Prior to joining Colliers International | Houston, he earned his BBA with a concentration in real estate from Florida State University and spent time working at NAI TALCOR gaining an understanding for the real estate industry and property management sector.