David Mangiero

David Michael DeMaio is the Managing Shareholder of the Miami Office of Ogletree, Deakins, Nash, Smoak & Stewart, P.C., one of the nation’s largest labor and employment law firms. He represents management in all aspects of labor and employment law and litigation. Prior to joining Ogletree Deakins, Mr. DeMaio had been a founding member of Whelan, DeMaio & Kiszkiel, P.A. He originally came to South Florida in the 1980s as an Assistant United States Attorney in Miami, where he inve...

Yosbel A. Ibarra is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Yosbel A., who practices law in Miami, Florida, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yosbel A. is held by other top lawyers in the same geographic and legal practice area.

Arianne R. Plasencia focuses her practice on US & international tax matters. She provides international and domestic income, gift, and estate tax planning for entities and high-net-worth individuals with a focus on multijurisdictional families and inbound investment planning. She also represents clients in tax audits, offshore voluntary disclosures, and streamlined disclosures as well as advises them on criminal tax examinations and other criminal tax matters. Arianne provides estate and ...

A skilled litigator with over 25 years of trial experience, Courtney B. Wilson has tried employment cases before judges, juries and arbitrators throughout Florida, appearing in all state and federal trial courts and in administrative proceedings. In addition, he has handled multiple cases in the United States Supreme Court, the Eleventh Circuit Court of Appeals, and state appellate courts throughout Florida. Courtney’s expertise includes: Prosecuting and defending non-compete, unfair co...

Sabrina R. Gallo is Chair of the Miami Products Liability Practice, and a shareholder in the firm’s Pharmaceutical, Medical Device and Health Care Litigation Practice. As a trial lawyer in multimillion-dollar litigation, she concentrates her practice on the representation and defense of products liability cases, with an emphasis on representing manufacturers of medical devices and pharmaceuticals in state and federal courts nationwide. Sabrina has experience managing individual, nationw...

Kevin C. Schumacher is a partner in the firm's Miami office. Mr. Schumacher focuses his practice in the areas of general commercial and civil litigation, with an emphasis in construction litigation, landlord-tenant law, condominium law, banking law and real estate litigation. Mr. Schumacher is a Board Certified Specialist in Construction Law. Mr. Schumacher actively participates in several organizations in the community. He is a former member of the United Way Young Philanthropist steering co...

Michael A. Hacker is a top attorney recognized by Best Lawyers in the practice area(s) of Leveraged Buyouts and Private Equity Law. Michael 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 Michael A. is held by other top lawyers in the same geographic and legal practice area.

Ena T. Diaz is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Ena T., who practices law in Miami, Florida, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ena T. is held by other top lawyers in the same geographic and legal practice area.

Melissa Gillinov is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Melissa, who practices law in Coral Gables, Florida, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melissa is held by other top lawyers in the same geographic and legal practice area.

Matt Gorson currently serves as Co-Chairman of the firm. Prior to this appointment, Matt served the firm as its President. He joined Greenberg Traurig in 1973 as the firm's 14th lawyer, and became one of the most prolific and in-demand real estate attorneys in South Florida. Matt has worked with almost every major developer in the region. His work in the 1990s changed the face of the southern portion of Miami Beach and set the stage for the area's revitalization. During his career, he has als...