Mark Harrington

Chief Executive Officer

Mark Harrington is a lifelong community banker, founding JamesMark Bancshares, Inc. in 1998 and opening its subsidiary, Old Missouri National Bank, which would become the OMB Bank of today.

He has four decades of expertise in finance and lending, beginning his tenure at OMB as executive vice president and Chief Financial Officer in 1999. He then led its conversion to a state/Fed member in 2008. He served as president and chief executive officer of holding company JamesMark Bancshares, Inc. for more than 15 years and is currently CEO of OMB Bank.

Mark is a former member of the board of directors for the Missouri Bankers Association and graduated with his bachelor's degree in Economics from Missouri State University in Springfield, Mo.

Mark's CliftonStrengths Top 5

CliftonStrengths highlights the natural talents that shape how our leaders think, make decisions and serve our customers.

MONEY TIPS

Credit and debit cards stacked by a card reader

The Difference Between Credit and Debit Cards and When to Use Them

Smart card use involves tracking spending, understanding fees and using each card for its strengths. By making informed choices, you can manage your money effectively, protect your finances and even earn rewards.

A doctor placing a coin with a medical symbol into a blue piggy bank

HSA vs. FSA: What’s the Difference and Which One Is Right for You?

Healthcare expenses are inevitable - but overpaying in taxes doesn’t have to be.

Stack of dark-colored metallic credit cards

CVV Number: What It Is and Why It Matters

Wondering what the CVV on your debit or credit card means? Here’s how it works and why it adds an extra layer of security.

MONEY TIPS

The Difference Between Credit and Debit Cards and When to Use Them

HSA vs. FSA: What’s the Difference and Which One Is Right for You?

CVV Number: What It Is and Why It Matters

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Find your nearest OMB Bank branch.