Stuart Rubin

Stuart Rubin

Stuart Rubin joined AVITAS in July 2026 as Senior Vice President. Stuart is an ISTAT Certified Senior Appraiser.

Tony Karafiat, CFA, CPA

Tony joined AVITAS in 2025, bringing 14 years of finance and accounting experience, including five years at United Airlines supporting the regional and TechOps space. He began his career with five years in public accounting at Deloitte.

Tony is a CPA and a CFA Charterholder.

Joubine Motaharian

Mr. Motaharian joined AVITAS in January 2025 and serves as Vice President of Consulting.
He is responsible for industry consulting, aircraft and market studies, financial analysis, fleet planning, strategy, aircraft values, and risk assessment.
He brings 25 years of experience in the aviation industry.

Martin O’Hanrahan

Martin O’Hanrahan joined AVITAS in 2000, having previously held positions at ITA in Paris, the Airclaims Group in London and Qantas in Sydney. He is an ISTAT Certified Senior Appraiser and is currently serving a second term on the ISTAT International Board of Governors (IBG).

Rikard de Jounge

Rikard joined AVITAS in 2005 bringing 17 years of experience in business management, aircraft technical sales, flight test and performance analysis. Rikard is an ISTAT Certified Senior Appraiser, Fellow.

Douglas B. Kelly

Doug joined AVITAS in 1997 bringing 14 years of aviation experience. Doug is an ISTAT Certified Senior Appraiser.

Adam Pilarski Ph.D.

Adam joined AVITAS in 1997 after working as an economist with Douglas Aircraft Company to oversee AVITAS’s valuation and consulting services. Receipent of the prestigious ISTAT Award at ISTAT Americas 2020 and currently serving as an ISTAT board member.