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Bill Zonghetti | Colliers | Washington, DC

Bill Zonghetti

Executive Vice President

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Professional Summary

Bill Zonghetti is one of Washington’s most accomplished real estate professionals and has won numerous industry awards including the CoStar Power Broker award for the past 15 years and has been honored by his previous firm Newmark Knight Frank as the recipient of their national top producer award on two occasions, a noteworthy accomplishment with over 5,000 US brokers. He has represented some of the area’s most prestigious organizations for transactions in excess of 25 million square feet and is responsible for the headquarters locations of the following companies: 125,000 square feet for NJVC, LLC; 91,000 Square feet for EMMES, 91,000 square feet for ASM Research 80,000 square feet for Ropes & Gray, 75,000 square feet for Informax, Inc. and 51,000 square feet for Integrated Systems Analysts.

He has represented a myriad of prominent not-for-profit clients including American Institute of Architects, The Girl Scouts, RTI International, Youth for Understanding, Human Rights Watch, ACLU, Sierra Club, Education Development Center (EDC), ASPCA, American Dental Education Association among many others. He is noted by his clients as being an expert in lease review and for being extremely detailed oriented in the transaction process.


  • 18-time Top Producer, Newmark Knight Frank, 2001 - 2018
  • Maryland Deal of the Year, EMMES, 2012
  • National Broker of the Year, NKF, 2003
  • Rookie of the Year, The Bank Companies, 1993
  • 13-time winner, Multi-Million Dollar Leasing Club, District of Columbia Association of Realtors, or DCAR (formerly the Washington, DC, Association of REALTORS®, or  WDCAR)
  • 12-time CoStar Power Broker
  • 8-time National Top Three Producer, NKF


Mr. Zonghetti graduated from Catholic University with a master’s degree in engineering management and a bachelor’s degree in business management.


  • ACLU
  • Human Rights Watch
  • ASM Research
  • JP Morgan Chase
  • Coca-Cola
  • Day and Zimmermann
  • Novo Nordisk
  • Education Development Center
  • Real Networks
  • Ropes & Gray
  • Girl Scout Council of the Nation’s Capital
  • Siemens
  • Goldman Sachs
  • Sierra Club


Service Lines

Tenant Representation


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