10 Wipfli tax partners
Tax Partner, Financial Institutions Tax Partner and Partner are the current titles held by these Wipfli tax partners in US offices, whose own work spans state and local tax, construction, trusts and estates and private clients. A reader can learn how tax partners work at Wipfli from people who have held the role.
Professionals to explore
Andrew Seifert
LinkedInExperience: Partner · Wipfli
Andrew Seifert has been Partner at Wipfli since September 2015, based in Minneapolis, Minnesota, with a profile headline of Partner, Wipfli National Tax Office | Energy Advisory. The profile describes being a member of Wipfli’s National Tax Office who focuses on assisting clients with complex tax issues, and Andrew Seifert has been Adjunct Professor at UMN Carlson School of Management since 2018.
Erin A Witucki, CPA, MAcc
LinkedInExperience: Tax Partner · Wipfli
Erin A Witucki has been Tax Partner at Wipfli since June 2022, based in Wausau, Wisconsin, with a profile headline that names Trust, Estate, Gift & Business Tax Services. At Wipfli, Erin A Witucki was also Tax Manager from 2015 to 2018, Senior Accountant from 2012 to 2015 and Staff Accountant from 2009 to 2012.
Jamie Shull, CPA
LinkedInExperience: Partner · Wipfli
Jamie Shull has been Partner at Wipfli since June 2025, based in Bozeman, Montana, with a profile headline of Partner, Tax at Wipfli Advisory LLP. At Wipfli, Jamie Shull was also Senior Tax Manager from 2021 to 2025 and Tax Manager from 2020 to 2021, and was Senior Tax Accountant at Wipfli LLP from 2014 to 2020.
Jared Heimerl
LinkedInExperience: Partner · Wipfli
Jared Heimerl has been Partner at Wipfli since June 2024, based in Green Bay, Wisconsin, and the profile describes the role as Partner focused in Construction - Tax. At Wipfli, Jared Heimerl was also Tax R&D Manager from 2017 to 2024 and Senior Accountant from 2012 to 2017.
Jason Beiswenger, CPA
LinkedInExperience: Partner · Wipfli
Jason Beiswenger has been Partner at Wipfli since January 2019, based in Greater Boston, and the profile describes high level tax advice, planning and compliance for individuals and businesses as part of Wipfli’s Private Client Group. Jason Beiswenger was Manager — Accounting, Taxation, and Consulting Services at Howe, Riley & Howe, PLLC. from 2010 to 2018.
Jeffrey C. Stoub, CPA, MBA
LinkedInExperience: Tax Partner · Wipfli
Jeffrey C. Stoub has been Tax Partner at Wipfli since August 2026, based in Greater Milwaukee. Jeffrey C. Stoub was Tax Principal at CLA (CliftonLarsonAllen) from 2023 to 2026, Tax Manager at CLA (CliftonLarsonAllen) from 2018 to 2023 and Senior Accountant there from 2016 to 2018.
Jessica Macklin, CPA, MAS
LinkedInExperience: Partner · Wipfli
Jessica Macklin has been Partner at Wipfli since June 2022, based in the Greater Chicago Area, and the profile describes being a SALT Partner who advises businesses on state and local tax matters. Jessica Macklin was Senior Tax Manager at Wipfli from 2012 to 2022 and Tax Senior at Deloitte from 2008 to 2012.
Lindsey Sabelko, CPA
LinkedInExperience: Financial Institutions Tax Partner · Wipfli
Lindsey Sabelko has been Financial Institutions Tax Partner at Wipfli since June 2024, based in Eau Claire, Wisconsin, and was Financial Institutions Senior Manger at Wipfli from 2019 to 2024. The listing also shows a Financial Institutions Manager row at Wipfli starting in 2007.
Marc Zwick
LinkedInExperience: Tax Partner · Wipfli
Marc Zwick has been Tax Partner at Wipfli since November 2025, based in Southfield, Michigan. Marc Zwick was Managing Mermber at Zwick CPA, PLLC from 1994 to 2025, and the profile describes leading a team there that provided accounting and advisory services to clients across the country.
Nicholas Shull, CPA
LinkedInExperience: Tax Partner · Wipfli
Nicholas Shull has been Tax Partner at Wipfli since June 2025, based in Bozeman, Montana, with a profile headline of Partner, Tax at Wipfli Advisory LLC. At Wipfli, Nicholas Shull was also Senior Tax Manager from 2020 to 2025 and Manager from 2012 to 2020.
Choose the right perspective
Match the person's tax focus, such as state and local tax, financial institutions, construction or individual clients, to the question you want to explore. Weigh how long each person has been a partner and which office they work from, since that shapes the range of work they have seen.
Questions to take into the conversation
- 01What does a typical week look like for you as a tax partner?
- 02How has your own tax practice changed since you became a partner?
- 03Which tax questions do you find people most often raise too late?
Reaching Wipfli tax partners
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Can an AI agent ask one of these Wipfli tax partners a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.