Doreen Letty

Molly A. Sleiman is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Molly A. practices law in Buffalo, New York Best Lawyers has recognized Molly A. Sleiman since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Molly A. Sleiman is held by other lawyers.

Rosanna Berardi is a nationally recognized immigration attorney and the Managing Partner of Berardi Immigration Law, a Buffalo-based firm dedicated exclusively to U.S. and Canadian immigration matters. For more than two decades, Rosanna has guided multinational corporations, healthcare systems, technology companies, professional athletes, and individuals through the complexities of cross-border immigration law, building a practice known as much for its strategic precision as for its deeply pe...

Jonathan W. Brown is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Jonathan W. practices law in Buffalo, New York Best Lawyers has recognized Jonathan W. Brown since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jonathan W. Brown is held by other lawyers.

Jeff joined this firm in 1993 and became a partner in 1994. He is a lifelong resident of the Olean area and an Olean High School Graduate. Mr. Black obtained his Bachelor of Science Degree from St. Bonaventure University in 1990 and graduated cum laude from The Dickinson School of Law (Penn State) in 1993. While in law school he was a member of the Dickinson Law Review and his case note was published. He was also a member of the Woolsack Honor Society. Upon graduation from law school, Mr. Bla...

Dale Bauman is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Dale practices law in Buffalo, New York Best Lawyers has recognized Dale Bauman since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Dale Bauman is held by other lawyers.

Terry is a former presidentially appointed United States Attorney for the Western District of New York and co-leader of the firms Government Compliance and Investigations Practice Group. He represents businesses across industries in both civil and criminal government investigations which include conducting internal corporate probes and independent monitorships. He has advised clients among the Fortune 50 and large privately held companies, including Facebook and United/Continental Airlines, o...

Barry N. Covert focuses his practice primarily in the following areas: New York State and federal criminal trials and appeals Constitutional law, including First Amendment, Second Amendment, and civil rights actions Qui Tam Act, also known as the False Claims Act Defending against allegations of scientific misconduct, scientific fraud, research misconduct, research fraud, plagiarism, and fabrication of evidence Defense of professional licensing, including for attorneys, doctors, and nurses Ti...

Michael Ponterio is a lawyer recognized by Best Lawyers in the practice areas of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael practices law in Buffalo, New York Best Lawyers has recognized Michael Ponterio since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael Ponterio is held by other lawyers.

Mark L. Stulmaker practices in the areas of employee benefits and taxation, serving as counsel to trustees of public and private pension and health and welfare benefit plans as well as to closely held businesses. He is also involved in estate planning and administration, especially in connection with charitable trusts, foundations, and large retirement plan distributions. Practice Areas Employee Benefits Tax Resources Mark Stulmaker is distinguished by the depth of his experience and knowledg...

Diane M. Perri Roberts is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Corporate Law. Diane M. practices law in Buffalo, New York Best Lawyers has recognized Diane M. Perri Roberts since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Diane M. Perri Roberts is held by other lawyers.