Jack Callahan

Partner, CohnReznick LLP

With more than 25 years of experience, Jack Callahan serves as CohnReznick's Construction Industry Leader. He has significant knowledge and experience in accounting, corporate taxation, and business consulting matters within the construction community. Jack serves clients in most construction sectors including: heavy highway, general contractors, construction management, specialty contractors, building trades, and building supply and equipment companies. He has worked extensively with public agencies and major construction owners to develop successful fiscal and integrity monitoring programs that enable contractors to improve the profitability, safety, and integrity of construction programs. He was a lead partner for CohnReznick on the monitoring and investigative work performed at Ground Zero and at the new World Trade Center Transportation Hub.

Jack joined CohnReznick in August 2005 after serving as the managing shareholder of a leading private New Jersey accounting firm. He began his career with a national accounting firm and founded his own firm in 1996. As the managing shareholder for that firm, Jack built the company into a 16-person accounting and consulting firm focused on serving the needs of the construction industry.

Jack is an active member of many industry associations and has written a variety of construction-related accounting, tax, and business articles.


Operational and Technology Steps to prepare for Revenue Recognition and Lease Accounting Implementation A practical how-to approach, based on lessons learned and learning, for these significant More