Robert D. Vizmeg

Gregory E. O’Brien is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Professional Malpractice Law - Defendants. Gregory E., 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 Gregory E. is held by other top lawyers in the same geographic and legal practice area.

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...

John Slivka, an attorney and certified public accountant, has a practice that consists in large part of providing advice with regard to tax, business, and succession planning and consulting for privately-owned businesses and their owners. Since being admitted to the Ohio Bar in 1981, he has handled matters involving mergers and acquisitions, C and S corporations, partnerships, limited liability companies, passive activities, ownership succession, estate/gift issues, other individual tax matte...

Richard C. Haber is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Richard C., who practices law in Pepper Pike, Ohio, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard C. is held by other top lawyers in the same geographic and legal practice area.

A focused practice in the defense of various professionals including lawyers, accountants, and insurance agents and brokers for claims of malpractice, errors and omissions, as well as professional licensing issues. In addition to his professional liability practice, Joe has significant experience handling commercial trucking (long haul and short haul) as well as commercial coach carrier matters. His practice also includes litigation of insurance coverage and bad faith issues, various general ...

Ryan Babiuch is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Ryan, 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 Ryan 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...

Ann E. Knuth focuses her legal practice in labor and employment law. With over 30 years of experience, Ann guides employers through the entire employment relationship, from recruitment to termination. She counsels businesses of all sizes, from start-up companies to international corporations, to help them manage their human capital and meet their business goals. Ann leverages her deep understanding of labor and employment law to assist clients in building policies and adopting proactive compl...

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...

Matthew K. Grashoff focuses his practice on construction law and commercial litigation and has experience in the areas of insurance coverage and appellate practice. Matt manages cases at all stages of the construction process, from bid disputes through project correspondence, scope disputes, change order disputes, alternative-dispute-resolution mechanisms such as dispute review boards and the ODOT step process, and lien and bond claims. He represents clients through all stages of litigation b...