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About Us

About Our Firm

For years, Esterbrooks has been providing quality, personalized financial guidance to local individuals and businesses. Our expertise ranges from basic tax management and accounting services to more in-depth services such as audits, financial statements, and financial planning.

Esterbrooks is one of the leading firms in and throughout the area. By combining our expertise, experience and the team mentality of our staff, we assure that every client receives the close analysis and attention they deserve. Our dedication to high standards, hiring of seasoned tax professionals, and work ethic is the reason our client base returns year after year.

Our Mission

Our mission is to help clients maintain financial viability in the present, while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients' needs through research and sound analysis. Esterbrooks is dedicated to meeting these goals with high standards of excellence and professionalism. We have been a staple of the area's business community for years, and pride ourselves on the level of esteem we have earned.

Our dedication to hard work has earned the respect of the business and financial community in and around the area. We believe this to be a direct derivative of our talent and responsiveness to our client base. Whether you are a current or prospective client, rest assured that individuals and businesses who choose Esterbrooks receive competent and timely advice.

Our Team

Roger A. Peterson, CPA

President

rpeterson@esterbrooks.com 715-392-5101 ext. 101

Roger is a graduate of Duluth Central High School and the University of Minnesota - Duluth with a degree in accounting. He is a member of the American Institute of Certified Public Accountants and the Minnesota Society of Certified Public Accountants. Roger practices in the areas of advisory services to closely-held businesses, assistance with financing, business succession planning, and estate planning.

Scott D. Larson, CPA

Vice President

slarson@esterbrooks.com 218-727-6846

Scott is a graduate of Superior Senior High School and the University of Wisconsin - Superior, with a degree in accounting. He is a member of the American Institute of Certified Public Accountants and the Minnesota Society of Certified Public Accountants. Scott practices in the areas of audit and tax services for business and nonprofit organizations and individual income tax preparation and planning.

Mark C. Ball, CPA

Shareholder

mball@esterbrooks.com 218-727-6846

Mark is a 1992 graduate of Duluth East High School and the University of Minnesota, Duluth with a degree in accounting.

Mark is a member of the American Institute of Certified Public Accountants and the Minnesota Society of Certified Public Accountants.

Mark is a QuickBooks Pro Advisor. His practice areas include individual, corporate, and non-profit taxation. Other areas include financial planning, accounting system consultation and implementation, and financial reporting for small and medium sized business, including both compilation and review services.

Outside of work, Mark enjoys coaching his son's community soccer team, spending time with family and friends, and most outdoor activities including fishing, hunting, and camping.

Mike Pederson, CPA

Shareholder

mpederson@esterbrooks.com 218-727-6846

Mike is a graduate of Concordia College, Moorhead with degrees in accounting and computer science. He is a member of the American Institute of Certified Public Accountants and the Minnesota Society of Certified Public Accountants. Mike practices in the areas of audit and accounting with a concentration in nonprofit organizations and employee benefit plans.

Ryan Sather, CPA MBT

Shareholder

rsather@esterbrooks.com 218-727-6846

Ryan is a graduate of Duluth Denfeld High School, the University of Wisconsin-Superior with a degree in accounting, and the University of Minnesota, Twin Cities with a master’s degree in Business Taxation. His professional activities include: Member – American Institute of Certified Public Accountants, Member – Minnesota Society of Certified Public Accountants, and Treasurer of the Gary New Duluth Development Alliance.

Ryan practices in the areas of individual, corporate, and non-profit taxation. He also practices in mergers and acquisitions, financial reporting for small and medium sized businesses, including both compilation and review services, and tax planning for complex transactions.

Ryan’s experience prior to joining Esterbrooks Scott Signorelli Peterson Smithson, Ltd has provided him with a vast background of tax experience. Ryan spent many years working in public accounting servicing mostly small and medium businesses, and individuals. Additionally, he has 6 years’ experience in large corporate tax departments performing a wide variety of compliance, reporting, research and planning functions.

Ryan has been named the Dave Ramsey Endorsed Local Provider for tax in North Eastern Minnesota and North Western Wisconsin. If you would be interested in attending a class of Financial Pease University let me know, a class will be run when there is interest.

Outside of work, Ryan enjoys traveling, spending time with family and friends, training his Chocolate Lab, and doing home improvement projects.

John H. Signorelli, CPA

jsignorelli@esterbrooks.com 218-727-6846

John is a graduate of Duluth East High School and the University of Minnesota, Duluth with a degree in accounting. His professional activities include: Member - American Institute of Certified Public Accountants Member - Minnesota Society of Certified Public Acountants Member - Arrowhead Estate Planning Council. John practices in the areas of business and nonprofit organization auditing, tax preparation and planning, and estate planning.

Tom O'Brien, CPA

tobrien@esterbrooks.com 218-727-6846

Sharlene Killorin, CPA

skillorin@esterbrooks.com 218-727-6846

Kjersten Larson, CPA

klarson@esterbrooks.com 218-727-6846

Steven M. Ruce

sruce@esterbrooks.com 715-392-5101 ext. 103

Steve is a graduate of the University of Minnesota - Duluth with a degree in accounting. He is a member of the Lake Park Little League Board of Directors, the Lake Superior Transportation Club Board of Directors, and the Share Advantage Board of Directors. Steve practices in the areas of income tax preparation and planning and services to small businesses and nonprofit organizations, including consultation as a Quickbooks ProAdvisor.

Knute Pedersen, Jr., CPA

715-392-5101
  • Esterbrooks
  • 302 W Superior St Ste 200
  • Duluth, MN 55802
  • Telephone: (218) 727-6846
  • Fax: (218) 720-6999