Raymond G. Onderisin, CPA

Ray is responsible for engagement planning and supervision, staff training, and business development. He heads the firm’s oil and gas/energy group and oversees the firm’s Mentor office.

A Mentor CPA, Ray has experience in multi-state financial statement audits, review engagements, consultations on structuring of advanced real property transactions, forecasts and projections, organization of client accounting systems, and litigation support.

RAY ENJOYS … coaching, softball, fitness, Cleveland sports

Link to Ray!

Education and Awards

  • Bachelor of Science in accounting, Heidelberg University (cum laude)

Professional and Civic

  • American Institute of CPAs, member
  • The Ohio Society of CPAs, member
  • Lakeland Community College, accounting advisory board member 
  • Mentor Area Chamber of Commerce, member
  • Painesville Concord Youth Basketball (PCYB) – board member and commissioner
  • Riverside High School Boosters – board member and commissioner
  • LEO Credit Union, audit committee member