10 Rehmann tax partners
Tax principal, Principal and Director of State and Local Tax, and Office Managing Principal - Advisory and Tax Services are among the current titles held by these Rehmann tax partners in Michigan, Ohio and Florida offices. A reader can learn how tax partners work at Rehmann from people who have held the role.
Professionals to explore
Adam Williams
LinkedInExperience: Principal · Rehmann
Adam Williams has been Principal at Rehmann since November 2014, based in Ann Arbor, Michigan, and the profile describes a tax specialty in accounting for income taxes, passthrough entities, entity structuring, mergers and acquisitions and international tax. Adam Williams was Tax Senior Manager at Deloitte from 2005 to 2014.
Andy Mehl
LinkedInExperience: Principal - Greater Michigan Tax Director · Rehmann
Andy Mehl has been Principal - Greater Michigan Tax Director at Rehmann since October 1997, based in Saginaw, Michigan. The profile describes proactive tax planning services for businesses and high net worth individuals, with most of the companies described as closely-held and family owned.
Brian Elwell
LinkedInExperience: Principal · Rehmann
Brian Elwell has been Principal at Rehmann since June 2025, based in Vero Beach, Florida, and the profile headline reads Advisory & Tax Services. Brian Elwell was Managing Partner at Kmetz, Elwell, Graham & Associates, CPAs from 2018 to 2025 and CPA - Partner at Kmetz, Nuttall, Elwell, Graham, PLLC from 1997 to 2018.
Brittany Colwell
LinkedInExperience: Advisory & Tax Principal · Rehmann
Brittany Colwell has been Advisory & Tax Principal at Rehmann since January 2024 and Office Managing Principal since July 2026, with the Office Managing Principal role listed in Ann Arbor, Michigan. Brittany Colwell was Tax Manager at Rehmann from 2013 to 2020, and the profile also lists a Senior Manager role at the firm from July 2020 with no end date.
Bryan Pukoff
LinkedInExperience: Principal Tax Services · Rehmann
Bryan Pukoff has been Principal Tax Services at Rehmann since September 2000, based in Troy, Michigan, and the profile describes a CPA and attorney concentrating on tax compliance and consulting. Bryan Pukoff was Senior Manager at Cendrowski Selecky from 1994 to 2000.
Devin Pitkowicz, CPA
LinkedInExperience: Principal · Rehmann
Devin Pitkowicz has been Principal at Rehmann since January 2025, based in Saginaw, Michigan, and the profile describes the role as Tax Lead at Rehmann's Saginaw office. Devin Pitkowicz held other roles at the firm as Senior Tax Manager from 2021 to 2025 and Tax Manager from 2019 to 2021.
Lisa Pohl
LinkedInExperience: Principal and Director of State and Local Tax · Rehmann
Lisa Pohl has been Principal and Director of State and Local Tax at Rehmann since July 2020, based in the Grand Rapids metropolitan area. Lisa Pohl was Tax Senior Manager at Beene Garter LLP from 2013 to 2020 and Manager of Compliance & International Tax at Herman Miller from 2011 to 2013.
Mark Walla
LinkedInExperience: Tax principal · Rehmann
Mark Walla has been Tax principal at Rehmann since January 2013, based in the Toledo, Ohio metropolitan area, where the title names tax as the practice. Mark Walla was Tax Partner at Spilman, Hills & Heidebrink, Ltd., a firm the profile says is now Rehmann, from March 1986 to December 2012.
Ryan Wichmann, CPA
LinkedInExperience: Office Managing Principal - Advisory and Tax Services · Rehmann
Ryan Wichmann has been Office Managing Principal - Advisory and Tax Services at Rehmann since January 2023, based in Sterling Heights, Michigan. Ryan Wichmann was Senior Manager - Advisory and Tax Services at Rehmann from August 2014 to January 2023.
Victoria Mundinger, CPA
LinkedInExperience: Principal · Rehmann
Victoria Mundinger has been Principal at Rehmann since January 2024, based in Ann Arbor, Michigan, and the profile headline reads Principal-Advisory & Tax at Rehmann. Victoria Mundinger held other roles at the firm as Senior Manager International Tax from 2019 to 2024 and Tax Manager from 2015 to 2019.
Choose the right perspective
Match the person's tax focus, such as state and local tax, international tax, income tax accounting or tax planning for closely held businesses, to the question you want to explore. Weigh how long each person has held a principal title 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 principal?
- 02How has your own tax practice changed since you became a principal?
- 03What do people outside the field most often misunderstand about the tax side of a business decision?
Reaching Rehmann tax partners
How can I contact one of these Rehmann tax partners?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Rehmann, based on profile data retrieved on October 26, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Rehmann tax partners?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Rehmann 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.