Marybeth Orsini

Marybeth Orsini

New York

Marybeth Orsini focuses on federal tax law with an emphasis on tax-exempt bonds and tax credit bonds. She has served as tax counsel, bond counsel, and borrower's counsel for tax-exempt bond financings undertaken by state and local issuers around the country. She handles financings for a variety of governmental projects, including special districts and tax increment financings, and privately-owned projects, including multifamily housing, solid waste disposal, manufacturing, and facilities for not-for-profit entities in the health care and education sectors. 

Marybeth has served as an attorney in the tax-exempt bond branch at the IRS Office of Associate Chief Counsel (Financial Institutions and Products), where she drafted published guidance, private letter rulings, and technical advice. She also served as the Chief Counsel's representative to the Tax-Exempt Bond Focus Group, providing assistance to IRS agents during audits of tax-favored bonds.

Professional Highlights

Professional Activities

National Association of Bond Lawyers: Board Member, 2022-present; Chair, The Institute, 2022; Vice Chair, The Institute, 2021; Steering Committee Member, 2015-2017, 2022

Recognition & Accomplishments

The Best Lawyers in America, Public Finance Law (Baltimore), 2023, 2024

Chambers USA, Public Finance (Maryland), 2024

Named to Rochester Business Journal's 2015 "40 Under 40" list, in recognition of professional excellence and outstanding community involvement

Speaking Engagements

"It's a Small World (After All) – Tax Rules that Apply Only to Small Issues," National Association of Bonds Lawyers, The Institute, March 2023

"The Commissioner's Side: IRS Examinations, Voluntary Compliance Programs and Outreach," National Association of Bond Lawyers, The Workshop, 2019, 2022; served as Panel Chair 2022

"Arbitrage and Rebate," National Association of Bond Lawyers, Bond Attorneys' Workshop, 2012-2017, 2021; served as Panel Chair 2015-2017

"Tax Hot Topics," Pennsylvania Association of Bond Lawyers, Annual Seminar and Meeting, August 2020

Board Memberships & Community Service

Member, Board of Directors, Rochester School for the Deaf, 2013-2017



Georgetown University Law Center (LL.M 2005)

Seton Hall University School of Law (J.D., cum laude, 2004)

Worcester Polytechnic Institute (B.S., with distinction, 2000)




New York

U.S. Tax Court