@ini_set( 'upload_max_size' , '256M' ); @ini_set( 'post_max_size', '256M'); @ini_set( 'max_execution_time', '300' );


Mario J. Donato

Managing Partner


Email Business Card

As FGMK’s Managing Partner, Mario focuses on building more complete and widespread service offerings for the Firm’s clients through acquisitions, as well as the addition of experienced professionals in key service lines. Mario has an extensive track record of building lasting, trust-based relationships by providing world-class client service, fostering effective two-way communication with team members and clients alike, and working tirelessly to identify opportunities to add value where it matters most.

Mario is an active client service partner who has been advising clients for more than 35 years in all aspects of business performance. By carefully assessing his clients’ operations and structure, he is able to recommend actions to generate increased profitability through sustainable, tax-efficient growth.

Mario has advised clients through the full mergers and acquisitions cycle, working with them to identify strategic growth opportunities that build value. He is also adept at advising companies on how to restore growth and profitability when a business has stagnated.

Mario’s clients include high-net-worth individuals, as well as closely held businesses in the manufacturing, distribution, and service industries.

Mario joined FGMK in 1989. He was promoted to Partner in 1994 and became FGMK’s Managing Partner in 2000.

Education and Certifications

  • M.S., Taxation, DePaul University
  • B.S., Accountancy, Loyola University of Chicago
  • Certified Public Accountant (CPA)

Professional and Civic

  • American Institute of Certified Public Accountants (AICPA)
  • FGMK Holiday Charitable Events
  • Illinois CPA Society (ICPAS)
  • Misericordia Heart of Mercy - Charity Days
  • Various Boards of Directors