Mary Therese O'Sullivan

Thomas J. McManus is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Thomas J., who practices law in New York, New York, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas J. is held by other top lawyers in the same geographic and legal practice area.

Tara L. Vance is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Tara L., who practices law in New York, New York, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tara L. is held by other top lawyers in the same geographic and legal practice area.

Barak A. Wrobel is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law. Barak A., who practices law in New York, New York, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Barak A. is held by other top lawyers in the same geographic and legal practice area.

Julie Fink is the Managing Partner at Hecker Fink LLP. Julie leads active commercial, employment and public interest litigation practices and oversees all aspects of the firm’s management, growth, and strategic planning. Before joining the firm, Julie worked as in-house counsel at Pfizer Inc. and as an attorney at Paul, Weiss, Rifkind, Wharton & Garrison LLP. As managing partner, Julie has been recognized for her “revolutionary” approach to firm operations and her sizabl...

Todd McClelland is a partner in Sterlington's Cybersecurity, Data Privacy , AI, and Litigation practices, where he advises companies on complex legal issues related to cybersecurity breaches and compliance, data privacy compliance, AI, and technology transactions. Todd’s practice includes advising on global cybersecurity incidents, designing cyber governance and risk management programs, advising on global data privacy compliance issues, and supporting companies with data licensing and ...

Carolyn J. Casselman is a top attorney recognized by Best Lawyers in the practice area(s) of Entertainment Law - Theater. Carolyn J., who practices law in New York, New York, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carolyn J. is held by other top lawyers in the same geographic and legal practice area.

Douglas R. Nemec is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Douglas R., who practices law in New York, New York, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Douglas R. is held by other top lawyers in the same geographic and legal practice area.

Ilana Kameros is a top attorney recognized by Best Lawyers in the practice area(s) of Securitization and Structured Finance Law. Ilana, who practices law in New York, New York, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ilana is held by other top lawyers in the same geographic and legal practice area.

Chris DiAngelo, managing partner of Katten's New York office, offers clients a comprehensive understanding of wholesale finance, the critical process through which banks and finance companies fund their lending activities. His intimate knowledge of the industry's business, legal and policy-making arenas have allowed him to execute some of its most innovative deals. For large banks, finance companies and government entities, Chris offers decades of experience in structured finance and securiti...

Robert E. Helpern is a founding partner of the firm's Real Estate practice. For more than thirty years, Bob has leveraged his legal experience to identify key issues and craft creative solutions for clients including real estate funds, banks, developers, owners of commercial and multi-family properties, and tenants. Bob has been involved in acquisitions and sales, leasing, joint ventures, mortgage and mezzanine financing, and restructuring of debt. Representative clients include one of the la...