Employee Directory

Gordon Gundaker

Chairman and Chief Executive Officer

Gordon A. Gundaker is the President, CEO, and Chairman of Gundaker Commercial Group (GCG). He has joined the organization on a full-time basis after retiring from his post as President and Chief Executive Officer of Coldwell Banker Gundaker, the St. Louis metro area’s largest residential real...

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William (Bill) Devers

Managing Broker

Bill Devers is Managing Broker for Gundaker Commercial Group. With a background in real estate management, acquisition, and development, his responsibilities include overseeing the functions of Gundaker Commercial Group as a company, with a primary focus on organization, brokerage, developments, and acquisitions. He engages Gundaker Commercial...

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David Morris, CCIM

Commercial Real Estate Consultant

David Morris has joined Gundaker Commercial Group as a Commercial Real Estate Consultant for the firm. He is a 30 year industry veteran. Prior to joining Gundaker Commercial Group David was with Intelica as a principal, a Market Leader for the St. Louis office of Grubb...

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Roxanne A. Bellistri

Marketing Manager, Research Analyst, and Brokerage Administration

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Dean S. Burns

Senior Vice President

Dean S. Burns is Senior Vice President for Gundaker Commercial Group. With more than 40 years in the St. Louis Commercial Real Estate Industry, Dean possesses a wealth of knowledge and hands-on  experience in retail, office, multi-family and industrial  development and commercial brokerage. Dean’s clients include...

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Paul Nagel

Vice President

Paul Nagel is a Land and Investment Broker with extensive experience in shopping center development, as well as representing clients in the purchase and sale of large land tracts for residential development, business parks and mixed use developments. He began his career in commercial real estate...

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Rod Gordon

Vice President

Rod Gordon is a Vice President for Gundaker Commercial Group. With over 20 years experience in commercial real estate, Rod has been involved in virtually every kind of real estate on the market and has particular experience with Multi-Family properties. He has owned several apartment complexes...

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Joseph Dusch

Senior Associate

Joseph Dusch is a Senior Associate for Gundaker Commercial Group. Joe studied at Missouri Baptist University and received a Bachelor of Science – Psychology degree.  While attending Missouri Baptist University he played for the men’s soccer program. These positive experiences fueled his desire to focus on...

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Mary Mercurio

CFO & Senior Vice President - Finance

As Senior Vice President of Finance and Chief Financial Officer of Gundaker Commercial Group, Inc., Mary Mercurio brings over 20 years of accounting related to the construction industry to her position. Her past experience includes working in all financial phases of commercial real estate and land...

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Donna Miller

Director of Human Resources

Donna Miller is the Director of Human Resources for Gundaker Commercial (GCG). With more than 20 years of human resources and accounting experience related to commercial and multifamily property management, Donna’s knowledge in human resources, accounting and administration makes her a vital asset to the corporation....

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Jan Gundaker

Executive Assistant to Gordon Gundaker

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Andrea Johnson

Assistant to the Director of Multifamily

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Michael Roberts Jr., Esq.

Vice President

Michael Roberts Jr., Esq. has joined Gundaker Commercial Group as Vice President with over 20 years of commercial real estate industry experience.  As a commercial practitioner, his multifaceted knowledge consists of multi-family, industrial, retail, office, land, and hospitality industries. Michael delivers a highly competitive and uncompromising...

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Sean Hayden

Vice President - Illinois Brokerage Division

Sean has joined Gundaker Commercial Group as a Vice President in the Commercial Brokerage Division. Sean has worked in the commercial real  estate industry for over 25 years. In his previous role as partner with H&H Development, he worked on all phases of commercial development including...

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Sydney Hammack

Commercial Property Manager

Sydney has joined Gundaker Commercial Group as a Commercial Property Manager in the Asset Management Division. Prior to joining Gundaker Commercial Group, Sydney started her career in Real Estate by supporting a local Fortune 500 Finance Company in the Real Estate Department via Facilities Coordination and...

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Tony Walls

Senior Associate

Tony has joined Gundaker Commercial Group as a Senior Associate in the Commercial Brokerage Division. In  addition to joining Gundaker Commercial Group, Tony is currently on the team roster for the St. Louis Ambush soccer team (indoor) in the Major Arena Soccer League. Tony has always...

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Margo Colestock

Administrative Assistant to Gordon Gundaker

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Gundaker Commercial Group

2458 Old Dorsett Road

Suite 311

St. Louis, MO 63043

636-728-5100