Business people shake hands.

Business Lending

Financial solutions crafted for your business

Countless factors affect a business’s financial profile and cash flow needs, which is why cookie cutter products and services may not provide the best solution. Let our loan professionals help you!

Ken Kozma profile picture

Ken Kozma
Sr. VP and Chief Lending Officer
  • Ken is Senior Vice President and Chief Lending Officer. He is based at our Cave Springs Branch. Ken began working at St. Johns Bank as a teller, moved over to the commercial lending department in 2003 and was named Chief Lending Officer in 2015. He is a graduate of the Graduate School of Banking and has a Master’s Degree in Finance from Lindenwood University. You can reach Ken at (314) 428-1000 ext. 3903 or kkozma@stjohnsbank.com.


Brian C. Buster
VP and Commercial Loan Officer
  • Brian is a Vice President and Commercial Loan Officer at our Main Branch. Brian holds a Bachelor's Degree from the University of Missouri- Columbia and an MBA from Maryville University. He has more than 27 years of experience in the financial services industry, including 18 years in banking. Brian can be reached at (314) 428-1059, ext. 3437 or by email  at bbuster@stjohnsbank.com for assistance with all your business banking needs.


matt gerst profile picture

Matt Gerst
VP and Commercial Loan Officer
  • Matt is a Vice President and Commercial Loan Officer. He is based at our O'Fallon, MO location. Matt began working at the bank in January 2014 and was the Senior Credit Analyst until he became a Loan Officer in 2017. Matt has worked in the banking and finance industry since 2009 and specializes in financial analysis. Matt can be reached at (314) 428-1059 ext. 3691 or by email at mgerst@stjohnsbank.com.

eric piercefield profile picture

Eric Piercefield
VP and Commercial Loan Officer
  • Eric is a Vice President – Commercial Loan Officer at our Main Branch. Eric holds a Bachelor’s Degree in Economics from Eastern Illinois University and has nearly 20 years of experience in the banking industry. He has worked with small to large businesses assisting them with their cash management and various loan product needs. Eric has provided financial solutions to numerous industries including auto, construction, computer and IT, health care, manufacturing, real estate, and retail. Eric can be reached at 314-428-1059 Ext. 3581 or by email at epiercefield@stjohnsbank.com.


greg jensen profile picture

Greg Jensen
Asst. VP and Commercial Loan Officer
  • Greg is an Assistant Vice President and Commercial Loan Officer at our O'Fallon location. In addition to more than 10 years banking experience with St. Johns Bank, he has more than 18 years of retail management experience. He is ready to help you with any of your business lending needs from lines of credit to commercial real estate. Call Greg at (636) 443-5363 or email him at gjensen@stjohnsbank.com.