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​​​​​Current responsibilities
Kellen has over eight years of experience in Tenant Representation and over ten years in the commercial real estate industry. His primary focus is representing office users in the Chicagoland area.

Kellen represents clients in a broad range of occupancy solutions including relocation and expansion projects, dispositions and consolidations, specialized facilities, lease terminations and portfolio plannign strategy.

Kellen has represented a diverse array of clients that include Regus, TD Ameritrade, New York Life, World Relief, Aon Corporation, The Hartford, QBE, Merck, Redbox, Kemper (Unitrin), Dyson, QuadGraphics, CBS outdoor sign division, Marmon/Keystone, McDonald's and Xerox.

Key transactions

  • Regus - Chicagoland portfolio
  • Citigroup - 145,000 s.f.
  • Catamaran - 105,000 s.f.
  • The Hartford - 70,000 s.f.
  • TD Ameritrade - 55,000 s.f.
  • Kemper (Unitrin) – 30,000 s.f.
  • Dial America – 23,000 s.f.
  • CBS outdoor sign division – 25,000 s.f.
  • New York Life - 23,000 s.f.
  • Nufarm Americas – 20,000 s.f.
  • Marmon/Keystone – 15,000 s.f.
  • Dyson – 15,000 s.f.​​

Education and Affiliations
Kellen is the founder of the SALUTE, Inc. Associate Board. SALUTE is a non-profit organization that provides financial and emotional support for military veterans and their families. He also sits on the City of Hope Future Leaders Board in Chicago.

  • JLL Chicago Culture Award, 2015
  • JLL Best of the Midwest Award, 2014
  • JLL Chicago Young Gun of the Year, 2013

Kellen graduated from the Tippe School of Business at the University of Iowa.