About Joseph

Joseph Mammina, Jr. is a Marcum tax partner with nearly 30 years of experience working with firms throughout New York and Long Island. Joseph specializes in serving closely held businesses and their owners, government entities, and not-for-profit organizations. He studies new tax statutes and accounting standards as they are published and is comfortable translating complex material into actionable guidance specific to the unique circumstances of his clients.

Professional & Civic Affiliations

  • American Institute of Certified Public Accountants
  • New York State Society of Certified Public Accountants
  • Association of Certified Fraud Examiners
  • Southampton Business Alliance Board of Directors, Member Treasurer
  • Riverhead Running Club, Treasurer
  • St Louis De Montfort Roman Catholic Church, Finance Committee Member