John Alfonso

John Alfonso is a partner in CohnReznick's New York office and the leader of the firm’s Not-for-Profit & Education practice. With over 30 years of experience providing advisory, assurance and tax services, he has dedicated his career to helping make not-for-profit organizations’ missions possible. 

As the leader of CohnReznick’s Not-for-Profit & Education Industry practice, which works with over 1,700 organizations nationwide, John ensures that the Firm’s not-for-profit professionals possess the experience and resources necessary to deliver the timely, high-quality, and cost-effective services that are the hallmarks of CohnReznick. Furthermore, John is committed to keeping the Firm’s clients, contacts and personnel informed about best practices and relevant industry developments. 

Serving in a variety of client service roles, John's clients have included community development corporations, educational institutions, faith-based organizations, governmental entities, museums, private foundations, professional and trade associations, and social service agencies.

Additionally, John is a frequent panelist, moderator, and lecturer on not-for-profit accounting standards, board governance, risk management, and information technology. His speaking engagements have included the AICPA’s Not-for-Profit Conference. 
Giving back to the community, John serves as the Vice Chair of the Board of Directors of the American Cancer Society. A volunteer for nearly 30 years, he has held leadership positions at every level of the organization including service on the former  Eastern Division Board and the national Board of Directors beginning in 2011. In addition, John has served as Chair of the Audit and Finance committees. In 2014, John received the American Cancer Society’s St. George National Award.

John also serves as Treasurer of the Board of the Directors of the Spain-U.S. Chamber of Commerce. He has been a board member since 2010 and currently serves on the Executive Committee.