Shannon Rzeznikiewicz

Shannon Rzeznikiewicz

Managing Director

​​Current responsibilities

Shannon is responsible for delivering and managing the domestic and global service platform for a broad base of clients, with an emphasis on developing real estate strategies that align and adhere business unit requirements with overall corporate objectives. In addition, Shannon is the responsible interface with client relationship managers to create and implement specific real estate solutions, resulting in optimum financial results, metric advancement and key portfolio improvements.


Shannon Rzeznikiewicz joined Jones Lang LaSalle in 2009. Prior to joining JLL, Shannon was at Cushman & Wakefield and Newmark Knight Frank. During her tenure at her previous firms, Shannon held a variety of positions in which she provided corporate advisory work, strategic development and comprehensive marketing services for numerous agency leasing assignments throughout the country.

Key Transactions

  • R/GA - New York, NY; sublease disposition; 113k RSF
  • TP-ICAP – New York, NY; sublease disposition; 63k RSF
  • McCann – New York, NY; renewal; 451k RSF
  • NEX (ICAP) – New York, NY; relocation; 82k sf
  • TP-ICAP (Tullett Prebon) - New York, NY; relocation; 127k sf
  • Jack Morton – Robbinsville, NJ; industrial/renewal; 152k sf
  • Zurich – New York, NY; relocation; 132k sf
  • The Interpublic Group of Companies – New York, NY; HQ relocation; 112k sf
  • Kaplan – Plantation, FL; sublease disposition; 89k sf
  • McCann – Toronto, ON; relocation; 59k sf
  • Mediabrands –Toronto, ON; renewal; 63k sf
  • The Martin Agency – Richmond, VA; extension / built-to suit option; 119k sf
  • ADP – New York, NY; renewal; 32k sf
  • Huge – Brooklyn, NY; renewal & expansion; 78k sf
  • ADP – New York, NY; renewal; 24k sf
  • Interpublic Group of Companies – New York, NY; relocation/consolidation; 87k rsf
  • CMGRP, Inc. - New York, NY; relocation; 220k sf
  • DraftFCB – Toronto, ON; renewal & expansion; 62k sf
  • MRM - Lawrenceville, NJ; relocation; 42k sf
  • ADP - Alpharetta, GA; renewal; 76k sf
  • Mediabrands – New York, NY; expansion; 95k sf
  • ADP - Charlotte, NC; renewal; 42k sf
  • ADP - Jacksonville, FL; blend & extend; 50k sf
  • NBC - New York, NY; acquisition; 224k sf
  • ADP – Roseland, NJ; headquarter sales; 166k sf
  • ADP – Waltham, NJ; building sale; 109k sf
  • NBCUniversal - NYC; consulting; 30 Rock Center; 1.3 million s.f.


  • CoStar Power Broker (2016 & 2017 & 2021)
  • JLL's Top Gun Award (2016 & 2019 & 2021)
  • JLL's Top Achiever Award (2013 & 2015)
  • JLL's Gold Achiever Award (2014, 2017 & 2018)
  • Empire State Realty Trust's "Largest New Deal of the Year" (2013)
  • "Employee of the Year" for the New England region, Cushman & Wakefield (2005)

Education and Affiliations

Shannon received a master’s degree in business administration from Fordham University, after graduating magna cum laude from Syracuse University. She is a member of the Leaders Board for Safe Horizon.