James Mosby

James Mosby

Executive Managing Director

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  • Location

    7700 Forsyth Boulevard
    Suite 1210
    St. Louis, MO 63105
    United States

  • Phone

    +1 314 746-0316

  • Mobile

    314 941 0332

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Professional Expertise

Jim Mosby joined the company in October 1998 as a broker specializing in office sales and leasing. During the past ten years, Jim and his team have completed more than nine million square feet of office sale and lease transactions valued at more than $2 billion on behalf of corporate and institutional clients. He was elected as a member of The Society of Industrial and Office Realtors (SIOR) in 2004 and earned his CCIM designation in 2002, which made him part of an elite group of real estate specialists nationwide that hold the dual SIOR/CCIM designation.

active property listings

Landlords Served

  • JP Morgan
  • CW Capital
  • Archon Group
  • McEagle Development
  • GE Commercial Finance
  • Fulcrum Asset Advisors
  • Alex Brown
  • Franklin Street Properties
  • Charles Bank
  • Panattoni
  • PM Realty
  • Angela Gordon
  • Cornerstone Real Estate Advisors
  • Trizec Hahn
  • Principal Insurance Co.
  • LaSalle Management
  • Equitable Life Insurance
  • LNR
  • Centene Corporation

Tenants Served

  • Allianz
  • Reinsurance Group of America
  • Centene Corporation
  • Energizer
  • UniGroup Inc.
  • GE Commercial Finance
  • Brown Smith Wallace
  • Carmody MacDonald
  • Pfizer
  • Progressive Insurance
  • Time Warner Telecom
  • Monsanto Co.
  • Missouri American Water Co.
  • Solutia, Inc
  • Unigraphics Solutions, Inc.
  • Paric Corp.
  • American Family Insurance 
  • CliftonLarsonAllen
  • Charter Communications
  • Maritz Inc.
  • Rawlings Sporting Goods
  • Aclara
  • Lockton Companies, LLC
  • Mueller Prost

Professional Affiliations

  • Society of Industrial and Office Realtors (SIOR)
  • Certified Commercial Investment Member (CCIM)
  • Licensed Broker in Missouri

Professional Recognition

  • St. Louis Business Journal Heavy Hitter in Commercial Real Estate, 1999-2014
  • Cassidy Turley St. Louis Top Producer Award, 2001-2014
  • Midwest Real Estate Hall of Fame Inductee 2013
  • Cassidy Turley Edge Award Winner 2013 
  • Featured Speaker at the 2015, 2003, and 2001 SIOR Metro Market Review

Community Leadership

  • Junior Achievement Instructor
  • Ronald McDonald House Charities of St. Louis Development Committee, Board of Directors
  • Ranken Jordan Golf Committee


  • Saint Louis University, Master’s degree in Finance
  • Texas Christian University, Bachelor’s degree in Marketing


Executive Managing Director