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Mary Jo Marron

Mary Jo Marron


MJ is a Principal who brings over 30 years of bookkeeping and accounting knowledge and experience, plus expertise in several software programs including QuickBooks. She is a wonderful addition to the Small Business Advisory department and helps many of our clients with their tax and bookkeeping challenges. MJ focuses heavily on the development of staff and providing excellent client service.

MJ’s passion is to develop great working relationships with both clients and staff. She enjoys leading teams that develop Bonadio staff and creating innovative solutions for our clients. She also particularly enjoys participating in our annual Purpose Day, where we give back to the community. Outside of the office, MJ enjoys being active and country line-dances for fun. MJ grew up and raised her family in Rochester and loves to watch her children’s successes.

Professional Affiliations

  • IMA
  • IIA
  • QuickBooks ProAdvisor


  • CPA
  • MBA
  • CMA
  • CIA

Community Involvement