Andrew Margolius

Mr. McGuire brings a wealth of experience to his role as a trusts and estates attorney, where he specializes in crafting tailored solutions for clients based on their individual needs, concerns, and goals. Dan has represented clients across the entire wealth spectrum and is adept at advising clients in addressing changing circumstances that require planning for the future. Dan holds licenses to practice law in Ohio and Florida. Prior to joining Mansour Gavin, he played a crucial role in the a...

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

Lawrence E. Oscar, former CEO and managing partner of Hahn Loeser & Parks and currently the firm’s Ohio Regional Coordinating Partner, and Business Enterprises Practice Area Co-Chair, serves as a key advisor to executive management at NYSE and Fortune 1000 companies. He provides counsel for a wide range of situations and issues, including overall strategy, dispute resolution, employee relations, mergers and acquisitions, political developments and pricing strategies, among others. R...

Robert D. Barr 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. Robert D., who practices law in Cleveland, Ohio, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert D. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Zbiegien is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Michael J., who practices law in Cleveland, Ohio, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Arthur E. Gibbs III is a partner in the Trusts and Estate Planning Group and is licensed to practice law in Ohio and Florida. Art is an Ohio State Bar Association Board Certified Specialist in Estate Planning, Trust and Probate Law and focuses on providing creative estate, tax and business planning advise to business owners and other wealthy individuals, as well as representing individuals, financial institutions, and non-profits in estate disputes. Art is a past Chair of the firm’s Cle...

Jeffrey B. Keiper is a principal in the Cleveland, Ohio, office of Jackson Lewis P.C. Throughout his career, Jeff has devoted his practice exclusively to several areas of management side employment and labor law. Jeff has successfully defended complex single- and multi-plaintiff employment litigation matters for large manufacturing and service companies, both in court and in arbitrations, and has also handled countless labor arbitrations. He has represented employers before multiple state and...

Michael L. Snyder is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Michael L., who practices law in Cleveland, Ohio, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael L. is held by other top lawyers in the same geographic and legal practice area.

Stephen J. Knerly, Jr. focuses his practice on matters involving art transactions, nonprofit corporate law, closely held and family-owned businesses and international commercial transactions. Josh serves as Co-Chair of the Firm’s Non-Profit Institutions section. In his art law practice, Josh has represented museums, foundations, trusts and collectors in the acquisition, disposition, lending and borrowing of and estate planning for works of art, including domestic and international trans...

Edward H. Chyun is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Edward H., who practices law in Cleveland, Ohio, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Edward H. is held by other top lawyers in the same geographic and legal practice area.