John Swansinger

Matthew A. Secrist is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Tax Law. Matthew A., who practices law in Cleveland, Ohio, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew A. is held by other top lawyers in the same geographic and legal practice area.

Paul R. Harris is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Labor and Employment. Paul R., who practices law in Cleveland, Ohio, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul R. is held by other top lawyers in the same geographic and legal practice area.

Scott M. Oldham focuses his practice on all areas of intellectual property, including the procurement and enforcement of patent rights in technologies including biomedical, polymers, sensors, thermoelectric, energy components, electrical, electro-mechanical and mechanical arts as well as information technology, software and business methods. He has experience in the evaluation of patent-related issues and rendering of legal opinions relating to patentability, infringement, validity, right-to-...

Galen L. Schuerlein is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Galen L., 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 Galen L. is held by other top lawyers in the same geographic and legal practice area.

Deborah D. Zielinski is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Deborah D., 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 Deborah D. is held by other top lawyers in the same geographic and legal practice area.

William A. Doyle is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. William A., 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 William A. is held by other top lawyers in the same geographic and legal practice area.

Passionate about real estate and development, John has dedicated his over 30-year career to protecting clients’ property rights and achieving their goals. Practicing in all facets of real estate – including acquisition, disposition, leasing, finance, construction, eminent domain, and real property tax – John represents national and regional clients in industry sectors including commercial, office, retail, industrial, and residential. Notably, John devotes a significant part ...

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...

Joan M. Gross is Senior Counsel to the firm’s Estate Planning, Wealth Transfer and Preservation Section, working out of the Cleveland office. For over 40 years, Joan has assisted clients in transferring their wealth, in a tax efficient manner, to the individuals and charities they wish to benefit. Joan is an OSBA Board Certified Specialist in Estate Planning, Trust and Probate Law. She is also listed in the 2005-20 editions of The Best Lawyers in America® and the 2008-20 editions of...

Julie A. Crocker is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Julie A., 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 Julie A. is held by other top lawyers in the same geographic and legal practice area.