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Professional Profiles

Jeff Castleton

Executive Managing Director

A veteran office leasing specialist, Jeff Castleton serves as an executive managing director at Newmark Knight Frank's Denver office. Trusted clients view Mr. Castleton as an extension of their asset management teams. His deal-making approach offers true advocacy for his clients. Mr. Castleton is recognized and valued by institutional clients for maximizing net operating income and increasing profitability. He provides a comprehensive methodology, collaborating with clients and property management teams to develop customized value enhancement "road maps" for each asset, redefining best-in-class landlord advisory services.

Since joining Newmark Knight Frank in 2007, Mr. Castleton has completed over 350 transactions representing almost 4.0 million square feet. His successes have consistently placed him among the company's Top 10 Producers. He was named the firm's top producing broker at the company in 2010 and 2011.

Prior to joining NKF, Mr. Castleton worked at Trammell Crow Company, where he focused on project marketing and leasing, repositioning office buildings, asset disposition and market analysis. He previously served as the regional leasing director for Jones Lang LaSalle Americas, where he was directly responsible for its 6.5 million-square-foot Denver portfolio and a team of seven leasing agents. Additionally, he had sole responsibility for a 1.1 million-square-foot office portfolio in downtown and southeast Denver.

Partial Client List

  • CIM
  • Clarion Partners
  • Columbia Property Trust
  • First Gulf Corporation
  • Hines
  • Nichols Partnership
  • Principal Global Investors

Professional Achievements

  • Top Ten Producer, Newmark Knight Frank, 2006 - 2012
  • Number One Producer, Newmark Knight Frank, 2010 and 2011

Professional Affiliations

  • Member, NAIOP
  • Member, Downtown Denver Partnership (DDP)
  • Member, Denver Metropolitan Commercial Association of Brokers® (DMCAB)

Mr. Castleton graduated with honors from the United States Naval Academy, where he received his Bachelor of Science degree in mechanical engineering.

Jeff Castleton
Jeff Castleton
Executive Managing Director
1800 Larimer Street
Suite 1700
Denver, CO 80202
United States
T  303.260.4391

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Areas of Specialization
  • Office Leasing
  • Asset Positioning
  • Value Enhancement

Years of Experience
29 years