Peter J. Avellino - Director, New York Peter J. Avellino brings over 20 years of experience in healthcare finance to BESLER Consulting. Prior to joining BESLER, Peter was the principal founder of Healthcare Business Solutions Group, Inc., of New York City, a financial healthcare consulting firm that he began in 1998. The firm specialized in financial consulting service products that would optimize revenue, improve efficiencies and reduce bad debts. beslerconsulting