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Current responsibilities
Jim Postweiler is a Managing Director in the JLL Capital Markets group. He is responsible for co-leading the firm's Capital Markets team in Chicago and for growing its investment sales and finance capabilities in the Midwest.

Jim has more than 25 years of experience in investment sales, mortgage financing and sale-leaseback transactions.

Office investment sales throughout the Midwest

Years of experience
25 years

Prior to joining JLL, Jim served as a First Vice President at CB Richard Ellis. Before that, Jim was head of the Capital Advisors Group for the Midwest region of Insignia/ESG, and also served as Vice President for The Mutual Life Insurance Company of New York (MONY) in Downers Grove, where he spearheaded Midwestern loan production efforts and investment sales. 

Jim has advised a number of prominent corporations including Bental-Kennedy, Wells REIT, Inland, TIAA-CREF, Hines and Petra. 

Key transactions 

  • Chicago Board of Trade, Chicago - $152 million
  • 150 North Michigan, Chicago - $102 million
  • 111 West Washington, Chicago - $94 million
  • Riverwalk II, Buffalo Grove - $45 million
  • Atrium One, Cincinnati - $43.4 million
  • Meridian Corporate Plaza, Indianapolis - $42.3 million
  • Cantera Meadows West, Warrenville - $28.4 million
  • Lake Pointe Center, Indianapolis - $17.5 million
  • Keystone I & II, Indianapolis - $17.4 million
  • Meadows I & II, Addison - $14.4 million
  • Arboretum, Farmington Hills - $8 million


  • 2007/2008 Greater Chicago Food Depository Investment Broker of the Year Award
  • 2011/2012 Greater Chicago Food Depository Investment Broker of the Year Award
  • 2012 NAIOP Office Investment Transaction of the Year Award      

Jim earned a Masters of Real Estate and Urban Affairs from Georgia State University and a B.B.A. in finance from University of Wisconsin Madison.


  • National Associates of Industrial and Office Properties (NAIOP)
  • Urban Land Institute (ULI)