Joseph T. Joseph Jr

Joe Gibbons joined the Firm in May 2005 and became a Partner in January 2006. Prior to joining the Firm, Joe spent the majority of his career with McGinty, Gibbons, Hilow & Spellacy Co., LPA, and Carney & Broadbent, both located in downtown Cleveland, Ohio. Over the years, Joe has represented a variety of individuals, businesses, institutions, and governmental entities. His primary practice areas include estate planning, estate and trust administration and related litigation, real est...

Mark Mikhaiel’s practice focuses on litigation, encompassing a range of interconnected legal disciplines. He frequently represents clients in complex commercial and professional liability disputes, with a particular emphasis on non-medical professional malpractice; shareholder, fiduciary and business tort litigation; probate litigation; and employment-related disputes. He is driven by complex cases, striving to provide practical and efficient advice to his clients. Mark has handled over...

Diane Calta is a key member of the firm’s civil litigation and real estate and land use practice groups, bringing over 25 years of legal experience in municipal law, economic development, litigation, real estate, eminent domain, and probate and estate planning. She currently serves as Director of Law for Mayfield Village and as special legal counsel for the City of Independence. Her previous roles include serving as Director of Law for the cities of Beachwood and Green. Diane has also h...

Kevin R. Keogh is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law and Trusts and Estates. Kevin R., who practices law in Cleveland, Ohio, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin R. is held by other top lawyers in the same geographic and legal practice area.

Jane F. Warner is a Shareholder who joined the firm on December 31, 2020. Jane is a trial attorney who defends health care providers and health care entities against claims of professional or institutional negligence. Jane, who has thirteen years of experience in critical care nursing, applies her medical knowledge and ability to understand and communicate the provider’s perspective to the cases she handles. This proves to be invaluable as she translates technical data into logical info...

James F. Koehler is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Securities. James F., who practices law in Cleveland, Ohio, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James F. is held by other top lawyers in the same geographic and legal practice area.

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...

Scott Matasar is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Banking and Finance and Litigation - Securities. Scott, who practices law in Cleveland, Ohio, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott is held by other top lawyers in the same geographic and legal practice area.

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.

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