John C. Sumberg

Jason R. Marks is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Family Law, Family Law Arbitration and Family Law Mediation. Jason R., who practices law in Miami, Florida, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason R. is held by other top lawyers in the same geographic and legal practice area.

Jose E. Sirven is a partner in Holland & Knight's Miami office and co-chairs the firm's Financial Services Practice Group. He has practiced in the financial services, mergers and acquisitions, corporate finance and cross-border fields for more than 30 years. A significant part of his cross-border work has involved Latin American and Caribbean jurisdictions, including Mexico and nearly every country in South and Central America. Mr. Sirven regularly conducts complex negotiations and drafts...

Ira Coleman is the chairman of McDermott Will & Emery. Since Ira took on this role in 2017, the Firm has embraced a new strategic direction focused on being indispensable to clients, enhancing performance and nurturing a happy, fun culture. Under his leadership, McDermott has adopted the unofficial mantra of #AlwaysBetter, representing the Firm’s commitment for constant improvement with the goal of delivering ever-greater value for our clients, people and communities. With this as a...

Rafael A. Aguilar is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Rafael A., who practices law in Miami, Florida, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rafael A. is held by other top lawyers in the same geographic and legal practice area.

Ethan B. Wasserman is a member of the Land Use Practice of the firm’s Miami office. Ethan focuses his practice on land use, development and general real estate matters. He represents clients in all aspects of the development approval process, from site diligence, subdivision and concurrency impacts, land use/zoning applications and construction permitting. During and post construction, clients call on Ethan to assist with day-to-day local government matters, including building and code ...

Steven Gonzalez' practice focus is on real estate, commercial litigation and construction administration and litigation. He has assisted clients with bid protests, contract negotiations, project administration (including claims management and preservation) and post construction litigation. Steven has tried and arbitrated complex construction and design defects, claim disputes and non-payment cases. He has also negotiated numerous construction contracts, including construction management, arch...

Sarah A. Lobel is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law and Personal Injury Litigation - Plaintiffs. Sarah A., who practices law in Miami, Florida, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah A. is held by other top lawyers in the same geographic and legal practice area.

Clinton S. Payne is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Clinton S., who practices law in Coral Gables, Florida, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Clinton S. is held by other top lawyers in the same geographic and legal practice area.

Experienced trial lawyer William Blechman concentrates on antitrust law. Predominately representing large public and private companies as plaintiffs in individual actions as opposed to handling class actions or mass actions, he also handles antitrust defense, making him one of the rare lawyers who represents both plaintiffs and defendants in antitrust cases. Bill has represented individual companies and groups of companies, as plaintiffs, in numerous federal antitrust direct ( i.e. , non-clas...

Jerry M. Markowitz is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Jerry M., who practices law in Miami, Florida, has been recognized since 1999. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jerry M. is held by other top lawyers in the same geographic and legal practice area.