Lippes Mathias LLP today announced that Courtney Donahue Tasner, a partner in the firm's Buffalo office and member of its trusts & estates practice team, has been selected for Buffalo Business First's 40 Under 40 class of 2026. Donahue Tasner was chosen from a pool of more than 200 nominees for the program's 36th class, and will be honored alongside other members of the class at an in-person reception at the Hyatt Regency on September 30. 

About Courtney Donahue Tasner 

Courtney Donahue Tasner is a partner with Lippes Mathias' trusts & estates practice team in Buffalo, New York. Donahue Tasner concentrates her practice in estate administration, probate, and related Surrogate's Court proceedings, including limited administration, work with the county public administrator, wrongful death-related estate proceedings, and contested trusts and estate proceedings. 

Donahue Tasner regularly assists clients and families with guardianship proceedings under the Surrogate Court Procedure Act Articles 17 and 17A, and Mental Hygiene Law Article 81 adult guardianship proceedings in Supreme Court. She is qualified to receive Part 36 appointments and serves as guardian ad litem in Surrogate's Court, court evaluator, and attorney for incapacitated persons under Mental Hygiene Law Article 81 in Supreme Court. Donahue Tasner is also qualified to serve as court-appointed referee in foreclosure matters. 

Donahue Tasner's estate planning Buffalo, N.Y. practice encompasses foundational documents — including last wills and testaments, health care proxies, and powers of attorney — as well as trust documents for complex planning needs including long-term care planning and government-approved supplemental needs trusts. She collaborates with financial advisors and tax professionals to develop estate plans tailored to each client. 

Prior to joining Lippes Mathias, Donahue Tasner was an associate at Mosey Persico, LLP, where she worked under the Honorable Acea M. Mosey, now Erie County Surrogate's Court judge. During law school, she interned with the Honorable John F. Batt, Niagara County Family Court judge, and with the Honorable Acea M. Mosey, then Erie County public administrator. 

About Lippes Mathias LLP 

Lippes Mathias is a full-service law firm ranked among the top 200 law firms in the U.S. by size, with nearly 230 attorneys serving clients regionally, nationally, and internationally. With offices in Buffalo, Clarence, Albany, Long Island, New York, Rochester, Syracuse, and Saratoga Springs, N.Y.; Greater Toronto Area; Chicago, Ill.; Jacksonville, Tampa Bay, and West Palm Beach, Fla.; Cleveland, Ohio; San Antonio, Texas; Oklahoma City, Okla. and Washington, D.C., the firm represents publicly and privately-owned companies, private equity and venture capital firms, independent sponsors, real estate developers, financial institutions, municipalities, governmental entities, and individuals.