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...
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...
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...
Dean Scott Burns
Senior Vice President
Dean Scott Burns is Senior Vice President for Gundaker Commercial Group. With more than 30 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...
Paul Nagel
Vice President - Land
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...
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...
Mark Hejna
Vice President
Mark A. Hejna, Sr. is a Vice President in the Brokerage Division of Gundaker Commercial Group. His previous role was as project manager for the Gundaker Commercial Group Construction Division. With his more than 28 years experience in the St. Louis construction industry, Mark has overseen...
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...
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...
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....
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...
Brock Dillon
Associate
Brock Dillon is an Associate for Gundaker Commercial Group. Brock studied at Lindenwood University and received a Bachelor of Arts – Business Administration degree with an emphasis in Personal Finance. Prior to joining Gundaker Commercial Group Brock worked in residential real estate for Berkshire Hathaway. These...
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...
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...
