Justin Lossner, CCIM, SIOR

Justin Lossner, CCIM, SIOR

Senior Managing Director

​​Current responsibilities

Justin Lossner leads Iowa’s office practice group overseeing the Agency and Tenant Representation teams based in Des Moines, Iowa.

Since 2004, Justin has worked on some the most complex office projects and year after year has completed many of the markets largest transactions earning him the respect of his client’s and peers.

A sample of his recent work include closing a built-to-suit for Holmes Murphy (100,000 SF), the largest lease in 801 Grand History with Fidelity and Guaranty Life (110,000 SF), a lease transaction with MMC (218,000 SF), and the disposition of 909 Locust (225,000 SF) along with the lease-up of the redeveloped project.

Key clients include:

  • Principal Financial Group
  • Federal Home Loan Bank of Des Moines
  • Meredith Publishing
  • MMC
  • Fidelity and Guaranty Life
  • Fiserv Incorporated
  • Aviva USA
  • FEMA
  • Syngenta, Inc.
  • Holmes Murphy
  • Exelon Wind Energy
  • Federal Reserve Bank
  • Olsson & Associates

Education and Affiliations

Justin received his B.A. from The University of Northern Iowa in 2023. Justin joined the JLL team in 2014 after 10 years in the industry working at R&R Realty Group and Principal Global Investors. Justin previously acted as Broker for a 6.5 million square foot portfolio comprised of Class ‘A’ office and industrial space for a private developer in Des Moines.

His experience also includes serving as a team member on an East Coast real estate acquisition team for Principal Global Investors. His team acquired over $500 million in investment real estate in a one-year period. Justin is engaged in the community and maintains leadership roles on several nonprofit boards.

  • Greater Des Moines Supportive Housing –Board Member, Real Estate Committee
  • Greater Des Moines Leadership Institute Graduate
  • Certified Commercial Investment Member Candidate (CCIM)
  • Society of Industrial and Office Realtors (SIOR)
  • Make-A-Wish –Past Board Member and Director of Real Estate
  • Iowa Commercial Real Estate Board of Directors –Past President
  • Iowa CCIM Chapter Board of Directors –Past President
  • Des Moines Social Club –Past Board Member and Director of Real Estate


  • Iowa Commercial Real Estate Association –multi “Deal of the Year” recipient
  • Iowa Commercial Real Estate Association –Broker of the Year
  • R&R Realty -Top New Deal Producer
  • 2011 Forty Under 40 Class –Des Moines Business Record
  • Costar Power Broker –Multiple Years
  • JLL Top Achiever
  • JLL Gold Achiever
  • JLL Top Gun Award Winner