Mary Warmus


Mary is an Accredited Senior Appraiser (ASA) with over twenty-five years of professional experience valuing closely held businesses and intellectual property for tax, mergers and acquisitions, business strategy, ESOP formation, and business litigation purposes.  Mary is also active in FDP's sell-side investment banking practice, assisting in all aspects of the sale process, including client interface, financial modeling, preparation of confidential information memoranda, identification of prospective buyers, and transaction negotiations.

Mary has served as an expert witness in both federal bankruptcy court and state court in the domestic relations division.  Mary's principal business valuation experience is in the following sectors:  manufacturing, distribution, printing, agriculture, professional and financial services, healthcare, logistics, computer software and consulting, and investment holding companies, including partnerships. 

Prior to joining Fort Dearborn, Mary was a Director in the valuation practice of a national accounting firm.  Prior to her career in business valuation, Mary was a tax consultant, where she focused on research and compliance issues for various corporations, partnerships, and high net-worth individuals.  She also served as an Adjunct Professor at DePaul University, teaching the Tax Valuation course in the Master of Science in Taxation program.  

Contact Information

Direct: (312) 683-3655

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  • Investment Banking
  • Valuation

Industry Experience

  • Manufacturing
  • Distribution
  • Food
  • Printing
  • Construction
  • Financial Services
  • Information Technology
  • Aerospace & Defense
  • Automotive


  • Loyola University of Chicago - MBA, Finance 
  • DePaul University - BS in Commerce, Accountancy 

Certifications and Memberships

  • CPA
  • Accredited Senior Appraiser (ASA) - Business Valuation Discipline
  • Member, American Society of Appraisers
  • Member, AICPA
  • Member, Illinois CPA Society
  • Member, Association for Corporate Growth
  • Member, Chicago Estate Planning Council


  • Member, various civic, religious and charitable organizations


  • Past Adjunct Professor, DePaul University




Marketing Director

Direct: (312) 683-3746

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