Gregory Tsonis

Jean Gallo Wine is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Jean Gallo, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jean Gallo is held by other top lawyers in the same geographic and legal practice area.

Stephen Reynolds (CIPP/US, CISSP) advises some of the largest companies in the world on complex data security and privacy matters. A former computer programmer and IT analyst, Stephen is uniquely able to use his computer background to the advantage of his clients in matters involving data security, privacy, artificial intelligence and computer forensic investigations. He assists with responding to cybersecurity incidents, such as ransomware attacks, fund transfer fraud, data breaches and busi...

Nick Kahlon’s approach to litigation is straightforward: out-think and out-prepare the other side. His ease in court is grounded in the knowledge that he has thought through and planned for every detail, and his ease with clients comes from a deep understanding of their business needs. Nick’s practice focuses on complex commercial litigation, including noncompetes, class actions, patent cases, and other significant business disputes. He has represented some of the largest companie...

David Heiss is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. David, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

David M. Airan is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. David M., who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David M. is held by other top lawyers in the same geographic and legal practice area.

Guinevere M. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax. Guinevere M., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Guinevere M. is held by other top lawyers in the same geographic and legal practice area.

Craig P. Mannarino is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Craig P., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig P. is held by other top lawyers in the same geographic and legal practice area.

Sanjay Murthy is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Patent Law. Sanjay, who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sanjay is held by other top lawyers in the same geographic and legal practice area.

John Bucheit is a seasoned litigator with extensive experience handling complex commercial disputes and employment-related matters throughout the country. He has represented a wide range of clients in their most complex and high-stakes litigation, earning him a reputation for being a creative and innovative problem solver. John is well-known for handling unique issues of first impression and is praised for his ability to craft effective and innovative solutions for his clients. In one case, f...

Routinely honored as one of the country's top lawyers in M&A and private equity work, Steven advises clients on the full range of corporate finance transactions, counseling boards of directors and other key leaders on matters of governance, oversight and structure. Please read more here: https://www.winston.com/en/who-we-are/professionals/gavin-steven-j.html