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Meet the people with the vision to lead.

Doug Mueller


Tiffany Karlin

Partner and Director of Healthcare

Adam J. Herman

Partner and Chief Visionary Officer

Teri M. Samples

Partner and Director of Real Estate and Construction Services

Michael J. Devereux II

Partner and Director of Manufacturing, Distribution and Plastics Industry Services

Quinn Martin

Partner and Chief Operating Officer

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Tina C. Schaeffer

Partner and Director of Tax Services

Michael J. Prost

Vice President

MaryPat Davitz

Partner and Director of Business Services

Justin C. Koebel

Partner, Business Services

Tiffany L. Kuntemeier

Partner, Tax Services

Natalie Tocco

Senior Manager, Tax Services

Christopher B. Volz

Partner and Director of Business Valuation and Litigation Services

Joel B. Hundelt

Partner, Tax Services

Wesley Irvine

Manager, Tax Services

Tim O’Neill

Supervisor, Tax Services

John Prost

Director of Information Technology

Rich Levy

Director of Strategic Solutions

John E. Oeltjen

Partner and Director of Manufacturing and Distribution Services

Adam F. Hill

Senior Manager, Business Services

Colleen Gale

Lead R&D Tax Credit Specialist

Gregory Pfeuffer

Partner and Business Advisor, CFO Accounting Services

Karyn A. Nunn

Partner, Director of Not-for-Profit and Regulatory Services

Douglas A. Kolker

Partner and Director of Research and Experimentation Tax Credit Services

Gayla C. Hannon

Chief Administrative Officer

Caty Beilsmith

Partner, Business Services

Prashant Kheskani

Partner, Director of Mueller Prost Shared Services

Roger A. Luchtefeld


Barbara Hall, CPA

National Audit Director and Industry Niche Leader for Senior Living Healthcare

Derek C. Hinrichs

Manager, Tax Services

Emily Gegg

Supervisor, Tax Services

Yogita Patel

Senior Billing Healthcare SVCS

Christine Villicana

Talent Acquisition Manager

Whitney Fossum

Manager, Business Services

Chris Hausel


Kiran Satwani

Senior Analyst, Business Valuation

Claren O’Bannon

Manager, Consulting Services

Cheryl Fennessey

Lead R&D Tax Credit Specialist

Eric Castellano

Manager, Business Services

John M. Ferrara

Partner, Director of Accounting Services

Angela Abfall

Certified Fraud Examiner

Matthew D. Gentry

Senior Manager, CFO and Accounting Services

Stacy R. Campbell

Partner, Tax Services

Sandy McCluskey

Manager, Accounting Services and Tax

Shasta McClary

Healthcare Billing Supervisor

Saurabh Jain

Tax Supervisor

Lilly Bruere Godfrey

Senior Manager, Tax Services

William J. Azevedo

Partner and Director of Healthcare Reimbursement Services

Michele K. Smith

Manager, Accounting Services

Brianna Bales

R&D Tax Credit Specialist / Engineer

Meredith Berger

Director of Marketing & Practice Growth

Kyle Krahl

Senior Analyst, Business Valuation

Michael Goff

Tax Manager, Accounting Services

Nancy Helstrom

Healthcare Consulting Manager

Erika McGill

Supervisor, R&D Tax Credit Services

Lori D. Givens

Senior Manager, Tax Services

Stephen George

Chief Engineer

Katelyn Fitzler

Manager, Business Services

Gavin Deardeuff

Manager, Consulting Services

Kelly Kersting

Supervisor, Business Services

Carissa Conardy

Senior Healthcare Billing Manager

Tammy Johnson

Manager, Tax Services

Krunal Dalwadi

Manager, Healthcare Services

Tom Keyer

Healthcare Consulting Manager