
Partner
Allen Kahan
Allen is the firm’s founding partner and since 1983 continues to be the managing partner.
He brings over 35 years of experience specializing in taxation for a variety of industries.
He has particular expertise in real estate, cross border / international taxation as well as complex structure and tax planning for a variety of businesses.
Allen’s client base includes several high profile domestic and international businesses and has handled some of the largest transactions in the New York area. They include one of the largest leases in NY City as well as one of the largest single commercial real estate transactions in U.S history.
Allen is an active member of the American Institute of Certified Public Accountants (AICPA) and the New York State Society of Certified Public Accountants (NYSSCPA).
Partner
John Lercara
John Lercara is a partner of The Kahan Group CPAs, LLC. John has over a decade of experience in the accounting industry, in which he focuses primarily on providing tax consulting and compliance to high net worth individuals, as well as closely-held business and large real estate ventures. John is often engaged by clients to provide business advice and tax saving strategies. With his knowledge, he provides a variety of accounting, business management, consulting and tax planning services that enable his clients to become more profitable and efficient.
He is a member of the New York State Society of Certified Public Accountants. John earned his Bachelor of Science in accounting, graduating Magna cum Laude, from Long Island University, C.W. Post.


Partner
Greg Bivona
Greg Bivona is a Partner and Small Business Entrepreneurs Division leader at The Kahan Group CPAs, LLC with 15 years of tax and accounting experience. Greg helps clients in a wide array of industries, particularly closely held businesses and high net worth individuals with tax planning and business structuring and management.
Greg is a member of the New York State Society of Certified Public Accountants and the American Institute of Certified Public Accountants. He received his Bachelor of Science degree in Accounting from the Long Island University where he was a four-year member of the varsity soccer team and scholar athlete.
Partner
Rich Rivara
Rich Rivara has over 16 years of experience in the public accounting field. He provides a wide range of accounting and taxation services for his clients. Rich has significant experience in the real estate industry as well as working with high net worth individuals.
In addition to being a Certified Public Accountant in the state of New York, Rich is also an Enrolled Agent, licensed to practice before the Internal Revenue Service.
He is a member of the New York State Society of Certified Public Accountants and the American Institute of Certified Public Accountants. He received his Bachelor of Arts degree in Accounting from the City University of New York, Queens College where he was a four-year member of the varsity baseball team.
