10 RSM tax partners
Tax Partner, M&A Tax Partner, Tax Partner, Family Office Enterprise and San Francisco Tax Managing Partner and Western States' SALT Practice Leader are among the current titles held by these RSM tax partners in US offices. A reader can learn how tax partners work at RSM from people who have held the role.
Professionals to explore
Aimee Iannotti
LinkedInExperience: M&A Tax Partner · RSM US LLP
Aimee Iannotti has been M&A Tax Partner at RSM US LLP since January 2025, based in Boston, Massachusetts. At RSM US LLP they were Tax Senior Manager - M&A Tax (2019–2025), Tax Senior Manager - Corporate Tax (2015–2019) and Tax Manager - Corporate Tax (2012–2015), and the profile describes advising on the tax aspects of planning and structuring transactions.
Corey Wittersheim
LinkedInExperience: Tax Partner · RSM US LLP
Corey Wittersheim has been Tax Partner at RSM US LLP since January 2023, in the Washington DC-Baltimore area, and the profile describes tax work for companies in the professional services industry and government contractors. At RSM US LLP they were Tax Senior Manager (2017–2023), Tax Manager (2014–2017) and Tax Supervisor (2012–2014).
Craig Tatlonghari
LinkedInExperience: San Francisco Tax Managing Partner and Western States' SALT Practice Leader · RSM US LLP
Craig Tatlonghari has been San Francisco Tax Managing Partner and Western States' SALT Practice Leader at RSM US LLP since February 2020, based in San Francisco, California, and the profile headline names them a San Francisco State Tax Partner on the National SALT Practice Leadership Team. They were Partner - Pacific Northwest Area Director of SALT at EY (2005–2012).
Craig Wickwire
LinkedInExperience: Partner - Private Equity · RSM US LLP
Craig Wickwire has been Partner - Private Equity at RSM US LLP since July 2019 and Tax Partner at RSM US LLP since October 2015, based in Los Angeles, California, and the profile headline gives the title Tax Partner - Private Equity. At RSM US LLP they were Partner - Tax Location Leader for Los Angeles (2016–2019) and Tax Senior Manager (2004–2015).
Jason Krein, CPA
LinkedInExperience: Tax Partner · RSM US LLP
Jason Krein, CPA has been Tax Partner at RSM US LLP since January 2021, based in Los Angeles, California, and was Senior Manager at RSM US LLP (2017–2021). Their other roles include Senior Tax Director at BDO USA (2014–2017), Senior Manager at KPMG US (2011–2014) and Tax Director at PwC (2001–2011).
Jennifer Wiskus (Nester)
LinkedInExperience: Mergers & Acquisitions Tax Partner · RSM US LLP
Jennifer Wiskus (Nester) has been Mergers & Acquisitions Tax Partner at RSM US LLP since June 2016, based in San Francisco, California. At RSM US LLP they were Sr. Director Lead Tax/M&A Tax (2014–2016), and they were Director at Andersen (2007–2014).
Jon Adinolfi
LinkedInExperience: Tax Partner, Family Office Enterprise · RSM US LLP
Jon Adinolfi has been Tax Partner, Family Office Enterprise at RSM US LLP since December 2013, based in Houston, Texas, and describes work with family offices, high-net-worth individuals and families, and closely held businesses. They were Tax Partner at Margolis Phipps & Wright P.C. (2011–2013) and held roles from Tax Associate to Tax Director at PwC (1998–2008).
Meredith Perdoni, CPA
LinkedInExperience: Tax Partner · RSM US LLP
Meredith Perdoni, CPA has been Tax Partner at RSM US LLP since January 2022, in the Washington DC-Baltimore area, and the profile headline gives the title Partner, Tax Services at RSM. At RSM US LLP they were Senior Manager (2016–2022) and Tax Manager (2007–2016).
Patrick Rathbun
LinkedInExperience: Tax Partner · RSM US LLP
Patrick Rathbun has been Tax Partner at RSM US LLP since January 2025, in the Greater Chicago Area, and the profile places the role in Chicago, Illinois. At RSM US LLP they were Senior Tax Manager from October 2009 to January 2025, and the profile headline gives the title Tax Partner, CPA at RSM.
Russell Loose
LinkedInExperience: Tax Partner · RSM US LLP
Russell Loose has been Tax Partner at RSM US LLP since January 2025, based in Macomb, Michigan, and was Senior Tax Manager at RSM US LLP (2020–2025). They were Director Domestic Tax and Planning at Tenneco (2015–2020) and Mergers and Acquisitions Director at PwC (2004–2015), and the profile describes a path from tax compliance into M&A.
Choose the right perspective
Match the person's tax focus, such as M&A, state and local tax, family offices or private equity, 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?
- 03What do people outside the field most often misunderstand about the tax side of a business decision?
Reaching RSM tax partners
How can I contact one of these RSM tax partners?
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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.