Meet our knowledgeable professionals.

Todd Kerska 21 Sm
Todd Kerska
Executive Vice President and Cashier
Downtown Main Bank
Todd Kerska is Executive Vice President and Cashier. His responsibilities are broad and include overseeing operations and treasury management services. Todd is a graduate of Upper Iowa University and has 25 years of banking experience. He also completed the Graduate School of Banking in Operations and Technology at Vanderbilt University, Iowa Bankers Association Compliance School, Integrity Integrated Leadership Development Program, and Slingshot 25’s “The Change Course.” He previously served as Chief Financial Officer for eight years at Guaranty Bank prior to its merge with CRBT in 2017.

Todd is active throughout the community as a United Way and Salvation Army volunteer. He also served as Treasurer for Cedar Rapids Library Foundation Board and the Wheelchair Ramp Accessibility Program.
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Pauline Herb, CTP
First Vice President, Treasury Management
Downtown Main Bank
Pauline Herb serves as First Vice President of Treasury Management. She brings over 20 years of banking experience, specializing in the sales and service of treasury management solutions. Pauline oversees every aspect of her commercial clients' deposit accounts to ensure all their needs are met. Attention to detail and a strong commitment toward quality service, make her a valuable resource to her clients and the bank.

Pauline is active in the community, volunteering her time on the boards of Big Brothers Big Sisters and Cedar Rapids AniMeals. She also serves as the co-coordinator for the bank's March of Dimes campaign and Big Brothers Big Sisters fundraiser.
Amanda Opfer headshot
Amanda Opfer, AAP
Vice President, Treasury Management
Downtown Main Bank
Amanda Opfer serves as Vice President of Treasury Management. A graduate of Wartburg College, Amanda plays a critical role in the oversight of CRBT's online banking and cash management (RDC, ACH, sweep) implementation for its commercial clients. She is recognized as an Accredited ACH Professional (AAP), an elite group of highly-skilled professionals who are recognized for their electronic payments expertise and who have a strong competitive edge in functioning as effective partners in the business and financial arenas. The AAP accreditation is recognized as the gold standard in ACH excellence, which in turn, provides clients with a resource to more effectively manage ACH Network use and enhance their risk management profile. She also serves as a co-administrator for the bank's business credit card portfolio, as well as helps drive new treasury management business to provide existing and new clients with comprehensive solutions for their business needs. Prior to joining CRBT in 2010, Amanda was a senior accountant at Apache Hose & Belting for nearly 10 years.

Amanda is active throughout the community as a Junior Achievement classroom volunteer; board member of Noah’s Ark Childcare & Preschool; and member of the Iowa School of Banking Advisory Board.
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Jen Welton
Vice President, Treasury Management
Downtown Main Bank
Jen Welton serves as Vice President of Treasury Management. She is a graduate of Mount Mercy and brings over 20 years of banking experience. With an extensive background in retail, commercial lending, and treasury management, Jen can help create comprehensive solutions for commercial clients. Her grasp of banking and financial solutions, along with her meticulous attention to client service, make her a valued and trusted banker to her clients and the bank.

Jen is active in the Corridor, volunteering her time to a wide variety of organizations. She currently serves as board president of Indian Creek Nature Center and board member of Indian Creek Nature Center Trustees and the Rotary Club of Cedar Rapids. She has a passion for economic development and community. Jen served on the founding board of NewBo Market, which was the catalyst for redevelopment of the NewBo District and surrounding area. Other organizations she currently volunteers her time for, include, Horizon’s Meals on Wheels, United Way, and WLCG. She currently serves as councilwoman for the fast growing City of Palo. She is a graduate for Leadership of Five Seasons in 2012 and Corridor Business Journal’s Forty under 40 in 2014, Corridor Business Journal’s Woman of Influence in 2017, and Mount Mercy University's Misericordiae Award in 2018.
Liz Myres Web
Liz Myres
Treasury Management Officer
NMLS NMLS 2032464
Downtown Main Bank
As Treasury Management Officer, Liz is responsible for ensuring business clients have have all the products, services, and support needed to operate smoothly. She joined CRBT in 2017 after its merger with Guaranty Bank & Trust. Liz offers nearly 10 years of banking experience and previously served as Assistant Branch Manager at the Downtown Main Bank. Her grasp of banking and financial solutions, along with her meticulous attention to client service, make her a valued and trusted banker to her clients and the bank.

Liz is active throughout the community as a volunteer at Dogs Forever, where she serves on the foster committee.
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Melanie Pierce
Assistant Vice President
Downtown Main Bank
Melanie Pierce serves as Assistant Vice President. She partners with commercial clients to assist with their everyday banking needs. After starting her career over two decades ago with Guaranty Bank & Trust, Melanie knows the banking tools for businesses to be successful. Specializing in cash management with implementation of ACH, RDC, Online Banking and more, Melanie’s attention to detail aids in the quality of service she provides to her clients.

Melanie is active in the Marion community, volunteering her time with the Marion Chamber of Commerce since 2004. She is a member of the Special Events Committee which involves planning and organizing community-wide events within Marion. At CRBT, Melanie has joined the Wellness Committee to encourage her co-workers to lead a healthy lifestyle.
Zach Tompkins
Zach Tompkins
Business Specialist, Treasury Management Officer
Waterloo-Commercial-Downtown
Zach Tompkins is the Small Business Specialist for Community Bank and Trust. Zach works with our business clients to ensure they have all the products, services and support needed to operate smoothly. He is also the leader of our partnership banking program which brings the bank to employees of our business clients through exclusive offers and financial education seminars. A resident of the Cedar Valley since 2003, Zach graduated from the University of Northern Iowa and is married with one child. He has 10 years of banking experience and joined the CB&T team in October of 2017.

Zach is active in the community as a member of the Exchange Club of Waterloo and volunteer for Junior Achievement and Habitat for Humanity.