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Jonathan F. Rouis, CPA

© Thomas P. Kennedy/Rill Song Studios, 2021

Jonathan F. Rouis, CPA

Jonathan served as the Managing Partner at Rouis & Company and currently leads RBT CPAs, LLP, Sullivan County effort. Jonathan’s background in accounting and finance has provided him with a global prospective in advising municipal and commercial Clients.

Jonathan served on the Sullivan County Legislature for thirteen years, including four years as Vice Chairman of the Legislature, four years as Chairman of the Legislature, and eight years as Chair of the Management & Budget Committee. This combination of serving as both a user and provider of municipal financial information has afforded Jonathan a unique perspective, which he deftly applies for his clients.

Before joining Rouis & Company, Jonathan worked as an auditor for the Certified Public Accounting firm of Bennett, Keilson, Storch, & Kremer where he participated in the audits of cities, school districts, counties, and towns throughout New York State.

Professional/Industry/Community Affiliations:

  • Orange Regional Medical Center Foundation—Current Chair of the Board of Directors, Secretary
  • Greater Hudson Valley Health Systems—Board of Directors
  • John S. Burke Catholic School Board of Trustee—Chair of the Finance Committee
  • New York State Society of CPAs (NYSSCPA)—Member


  • St. Bonaventure—Bachelor of Science in Accounting

Practice Emphasis:

  • Accounting
  • Auditing and Tax (including Municipal and Nonprofit clients)
  • Business Valuations

Proven Results:

  • United Way ‘Leadership Giving’ recognition—2016 & 2017
  • Board Chairman Recognition awards for serving on St. Luke’s Cornwall Hospital Foundation Board, SLCH Health System and Hudson Vista Corp.

Lake Katrine Office Temporarily Closed

The Lake Katrine office location will be temporarily closed for the next few months due to office renovations. All Lake Katrine employees can still be reached at the LK phone number, email and other office locations! Thank you for your patience & looking forward to serving you from our newly updated office space!

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