David Marroncelli
MBA, CPA, Johnson O'Connor
David is a Partner at Johnson O’Connor, and has twenty years of public accounting experience in various disciplines, including assurance, tax, and advisory services. His industry specialties include healthcare, SAAS, and professional services. David served on Merrohawke’s board as treasurer from 2016-2023, remained active on our Finance Committee, and rejoined the board in 2026.



