Walker Villanueva Gutiérrez

Alex Brown’s clients rely on him to litigate complex commercial disputes in court and arbitration, as well as defend them in FTC and state AG investigations. Alex focuses his complex commercial litigation and investigations practice on high-stakes antitrust, consumer protection, data privacy, cybersecurity, and telecommunications matters. Alex has spent more than a decade representing corporate plaintiffs and defendants in state and federal courts, including class actions and multidistr...

Andrew W. Tunnell is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Andrew W., who practices law in Birmingham, Alabama, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew W. is held by other top lawyers in the same geographic and legal practice area.

Dan's practice focuses on the representation of businesses and individuals in a wide range of corporate, finance, contract and tax-related matters. His work spans entity formation, business and shareholder planning, as well as the negotiation and drafting of virtually every type of commercial contract. In addition to these areas, Dan's practice includes advising clients in a variety of corporate finance transactions. This portion of Dan's practice focuses on secured financings, inventory fina...

George N. Keches is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. George N., who practices law in Bridgewater, Massachusetts, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which George N. is held by other top lawyers in the same geographic and legal practice area.

Bob Mittel is the senior member of the firm. Following two years of service in the Army during the late 1960’s, he practiced with Pine Tree Legal Assistance until 1976, devoting the majority of his efforts to welfare and civil rights litigation in both state and federal courts. Since 1977, the majority of his work has been in the fields of intellectual property, compliance & defense work for debt collectors, and business and probate litigation. Bob has argued cases in a variety of s...

Richard P. Puttré is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Richard P., 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 Richard P. is held by other top lawyers in the same geographic and legal practice area.

Andrew Pappas is a nimble advocate and trusted counselor whose practice focuses on appeals, complex commercial disputes, and governmental and regulatory matters. Before joining Osborn Maledon, Andrew served as general counsel of the Arizona House of Representatives, where he was the principal legal advisor to the Speaker and members of the majority caucus. In that capacity, Andrew provided legal, policy, and strategic advice on a vast range of issues, with a particular focus on elections, red...

Whitney Phelps represents healthcare clients in corporate, transactional, and regulatory matters. She has extensive experience in health care benefits, managed care and value-based contracting. Prior to joining Nixon Peabody, Whitney also served as Director of Managed Care and Associate Counsel at the Healthcare Association of New York State. My focus I am a healthcare strategist. I provide practical and solution-oriented options for healthcare stakeholders of all kinds on a broad range of co...

Tom represents a broad range of clients in the areas of general corporate, contracts, real estate, land use and construction matters. He serves as counsel to individuals, closely held businesses, local and international retailers, international software developers, aerospace manufacturers, and nonprofit organizations. Tom has significant experience in commercial leasing, on both a local and national level, representing both tenants and landlords. In building and maintaining relationships with...

Robert M. Einhorn serves as a co-managing partner at Zarco Einhorn Salkowski PA, located in Miami, Florida. With over thirty years devoted to legal practice, Robert concentrates on advocating for franchisees in litigation both within the United States and internationally. His representation spans major franchise systems across the hotel, restaurant, and service industries. Robert earned his Bachelor of Business Administration from the University of Wisconsin-Madison, majoring in accounting an...