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Contact The Team

Starting out in GovCon? Choose the bank that grows with you.

At MainStreet Bank, our mission is your mission. We offers decades of government contract financing expertise and a level of personalized attention most banks can’t match. We have customers who have been with us since they graduated from college and stepped into the GovCon world.

We offer a complete suite of services, including loans, lines and letters of credit, and robust treasury management services needed to thrive in the government contracting space. Services include cash collateral accounts, daily sweep service, and electronic data interchange (EDI) for receivables.

Our team has the experience, resources, and connections to help you navigate the intricacies of financing your GovCon business. Let’s talk!

Fostering the Dialogue

We love bringing the GovCon community together. Over the past year, we’ve hosted conversations on how AI is impacting government contracting and on what to consider before signing onto a joint ventures. Whether we are working alone or teaming up with local Chambers of Commerce, we are dedicated to advancing the exchange of ideas in this vibrant community.


Rudy Dekrooj, SVP, Senior Business Banker

Rudy excels in building lasting relationships with customers by meeting their intricate banking needs. In her work with businesses, developers, nonprofits, government contractors, and individuals, Rudy leverages more than 20 years of banking experience across the Greater Washington, D.C., metro area.

Her knowledge of banking is expansive, encompassing all facets of business deposits, lending, and treasury management. She draws on this knowledge to serve as her customers’ bridge to MainStreet Bank’s lending team. One of Rudy’s earliest banking roles was as an assistant branch manager at MainStreet Bank during its earliest stages of growth. She rejoined the Bank in May 2023 after 11 successful years with other area banks and was attracted to return because she loves the customer-centric community banking model that MainStreet Bank exemplifies. Her diverse experiences have formed her into an effective partner to customers with complex financial requirements.

Rudy earned a bachelor’s degree in business administration from Tishreen University and an MBA from University of Phoenix.

She is an active member of the Greater Reston Chamber of Commerce and the Dulles Regional Chamber of Commerce. Rudy supports multiple nonprofit organizations including CORE Foundation, Cornerstones, and Western Fairfax Christian Ministries. She is also a member of the Rotary Club of Herndon-Reston.


Mustafa Husseini, VP, Commercial Lender

Mustafa is a performance-driven relationship manager with more than 20 years of banking experience. He knows the ins and outs of running a business from years of managing budgets and teams, making him an invaluable partner to business owners and operators. He is keenly focused on finding bank solutions to address any issues that are keeping his clients up at night.

A versatile lender, Mustafa has particular expertise in commercial and industrial lending, government contracting, and
asset-based lending.

Mustafa has worked in banking across the Greater Washington region since 1998, and was highly successful in managerial roles in large banks. He joined MainStreet Bank in 2022, and finds that a community bank offers him the gratifying opportunity to know his customers on a personal level and meet their needs by tailoring services to them.


George McDonald, AVP, Commercial Lender

George is a seasoned member of the commercial lending team with more than 10 years of experience in banking. He takes pride in having a comprehensive understanding of the needs of his clients, having worked across multiple disciplines in banking.

Since joining MainStreet Bank in 2019, George has advanced steadily to his current role as a commercial lender, having previously served as credit analyst/underwriter and portfolio manager in commercial lending. His decade of banking experience has given him invaluable knowledge and insights into how each department of a bank functions, and he leverages this knowledge for the benefit of his clients.

George is a lifelong NOVA resident and a 2015 graduate with a BBA in Business Management and Economics from Radford University.  During his tenure at Radford, he was the President of Skeet & Trap team and served on the Dean’s Advisory Board. 

He is an active member of both The Virginia Bankers Association and The Risk Management Association. George is currently attending the VBA School of Bank Management, a multidimensional educational experience in banking.


About MainStreet Bank

MainStreet Bank is a customer-focused community bank that offers innovative business and personal banking, commercial banking, and payment systems solutions that fit your needs. MainStreet operates six branches in Herndon, Fairfax, McLean, Leesburg, Clarendon, and Washington, D.C. MainStreet Bank has 55,000 free ATMs and a fully integrated online and mobile banking solution. The Bank is not restricted by a conventional branching system, as we offer business customers the ability to Put Our Bank in Your Office®. With robust and easy-to-use online business banking technology, MainStreet has "put our bank" in thousands of businesses in the metropolitan area. We are an SBA Preferred Lender.

Learn more about our Government Contract Lending Services and Solutions.

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