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About Us

State Street Tax and Accounting Advisors provide quality, personalized guidance to individuals and businesses. Our expertise ranges from tax management to accounting services and many other in depth services including but not limited to International taxation, out of State returns, tax audits, and financial statements.

State Street Tax & Accounting Advisors is one of the leading firms in and throughout the Dickinson 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 and work ethic is the reason our clients return year after year.


Our Team

Christopher Matysek, EA, MST
Managing Partner

Christopher has years of valuable knowledge in the field of tax consulting specializing in advanced entity structures, business and estate planning, mergers and acquisitions, and multi generational wealth transfers. Within a span of ten years he built a successful tax and accounting firm with three locations in the Chicagoland area. He is a recognized tax expert with a record of excellence in providing customized tax planning and business consulting services to trusts, corporations, partnerships and individuals.

Christopher is an insightful, trusted advisor with expert ability to assess business needs and goals, develop innovative concepts, and implement processes and strategies that positively impact performance and growth. Notable achievements in the design and implementation of efficiency-enhancing software. He is a Member of NATP, NSA and NAEA. Christopher enjoys boating as well as making organic green smoothies for his children.

Karen Dassinger, CPA
Firm Advisor

As a former Internal Revenue Service agent, Karen enjoys tax research and tax law interpretation. Her area of expertise is focusing on compliance and tax strategies. She is a member of the North Dakota State Board of Accountancy. Karen enjoys working with cattle as well as spending time with her grandchildren.

Tina Lori Sutto, AFSP, Senior Executive Associate

Lori specializes in payroll setup and compliance. She is a Notary Public in the State of North Dakota. She also supports senior staff and lightens up the office with her personality and exemplary client skills. Lori enjoys reading and spending time with family and friends.