Vision Statement
Security Financial Bank is a locally owned, business-focused, community bank. We strive to provide products and services that meet your needs and guidance that enables you to succeed, and in turn, our communities to flourish.
By connecting with you through personal relationships and the belief that you can succeed, we hope to inspire and support your entrepreneurial dreams. This optimism, validation, and personal attention to our customers sets us apart. We are the bank who believes in you.
Ag Banking Team

Cathy Asher
Relationship Manager
Durand, WI
715.672.2410

Mark Chilson
Durand Market President
Insurance Sales Manager
Durand, WI
888-254-0615

Jenny Jereczek
Director of Agriculture Banking
Durand, WI
715.672.2427

Randy Ptacek
Relationship Manager
Ladysmith, WI
715.609.1508
Business Banking Team

Kimberly Bunce
Relationship Manager
Eau Claire, WI
715.930.7877

Norb Christman
Market President - Ladysmith
Relationship Manager
Ladysmith, WI
715.609.1507

Scott Erickson
Market President - Bloomer
Relationship Manager
Bloomer & Eau Claire, WI
715.930.7024

John Lisowski
Market President – River Falls
Director of Commercial Lending
River Falls, WI
715.629.4077

Krista Paulus
Relationship Manager
River Falls, WI
715.629.4078

Deirdre Tumm
Treasury Management Officer
Eau Claire, WI
NMLS# 508108
715.930.7025

Curt Van Auken
Market President – Eau Claire
Eau Claire, WI
715.930.7021
Licensed Insurance Agent

Mark Chilson
Durand Market President
Insurance Sales Manager
Durand, WI
888-254-0615
Mortgage Lending Team

Cheryl Carter
Mortgage Banker
Bloomer & Ladysmith, WI
NMLS# 814959
715.609.1509

Bernadette Grochowski
Mortgage Banker
Durand, WI
NMLS# 508085
715.672.2412

Wendy Hollenbeck
Mortgage Banker
Eau Claire, WI
NMLS# 553597
715.930.7028

Tami Langer
Mortgage Banker
River Falls, WI
NMLS# 553758
715.629.4075

Shayna Reichert
Sales Manager
NMLS# 552650
715.930.7020

Kurt Van Roy
Mortgage Banking Portfolio
Manager
NMLS# 553087
715.568.1057
Personal Bankers

Barb Blum
Personal Banker
Bloomer, WI
NMLS# 924407
715.568.6312

Angie Bryan
Lead Personal Banker
Durand, WI
715.672.2419

Missy Kroening
Personal Banker
Ladysmith, WI
715.609.1511

Tiffany Riske
Personal Banker
Bloomer, WI
715.568.6331

Tammy Sinz
Retail Banking Manager
Durand, WI
NMLS# 508106
715.672.2420
Executive Officers

Paul Rudersdorf
President & CEO

Paul Solyntjes
CFO & Chief Operating Officer

Randy Yeast
Chief Technology Officer