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Mark Kornfeld

Managing Director Retail Services


Mark Kornfeld joined Sansone Group in 2005. Mark is the managing director of the retail brokerage division where he specializes in new development, retail leasing, tenant representation, and investment sales. Mr. Kornfeld is responsible for a retail portfolio that totals 2.5 million square feet.

Mark has closed approximately $80 million dollars worth of transactions since 2015. Key clients include: Goldman Sachs, Draper and Kramer, Brinkmann Constructors, AJ Borzillo, Quik Trip, Syberg’s Family of Restaurants, Lifetime Fitness, Mellow Mushroom, Crown Car Wash, Extra Space Storage.

Professional Involvement / Awards

  • International Council of Shopping Centers
  • St. Louis / Missouri Association of Realtors - Member
  • Costar Power Broker 2009-2015

Community Involvement

  • High School Football Coach for St. Louis University High School
  • Missouri Athletic Club Member


  • University of Illinois Urbana-Champaign, B.S. Communications

Sansone Group Associate since 2005