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Professional Profiles

Jim Sebesta

CEO/Principal, Newmark Phoenix Realty Group

Jim Sebesta co-founded Newmark Phoenix Realty Group with Ladson Montgomery in 1993. He specializes in corporate real estate consulting and transaction services in addition to overseeing a five-member office team. Mr. Sebesta advises clients on real estate strategies, whether growing, downsizing, acquiring or disposing. His strategies incorporate the client's long-term real estate objectives while maximizing flexibility and focusing on creating value for the user. He is also a principal of PRG Development, a partnership active in investing in Jacksonville real estate. 

Mr. Sebesta worked for Barnett Bank and a national commercial real estate developer prior to forming Newmark Phoenix Realty Group.


  • Vistakon
  • Rayonier
  • Adecco/Modis
  • Baptist Health
  • Rogers Towers Law Firm


  • NAIOP "Office Broker of the Year" Winner: 1995, 1998, 2010
  • NAIOP "Transaction of the Year" Winner: 2004, 2009, 2011


  • NAIOP, National Chapter, Board of Directors: 2003 - 2006
  • NAIOP, Florida Chapter, Board of Directors: 2001 - 2010
  • NAIOP, Jacksonville Chapter, President 1999, Board of Directors: 2000 - Present
  • Jacksonville Chamber of Commerce, Advisory Board: 1993 - Present


  • L'Arche Harbor House, Board of Directors: 2000 - Present
  • San Jose Country Club, Board of Directors: 2008 - 2012
  • The Blood Alliance, Board of Directors: 2010 - Present

Mr. Sebesta holds a B.A. in finance from University of Notre Dame.

Jim Sebesta
Jim Sebesta
CEO/Principal, Newmark Phoenix Realty Group
Newmark Phoenix Realty Group
10739 Deerwood Park Boulevard
Suite 310
Jacksonville, FL 32256
United States
T  904.399.5222

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Areas of Specialization
  • Office Real Estate
  • Tenant Rep

Years of Experience
27 years