Alan S. Ritchie

Mark Jacobs is a creative and accomplished litigator with deep experience that is enhanced by his background as a transactional lawyer. Mark has broad commercial litigation experience in state and federal trial and appellate courts, arbitration proceedings, and mediation. As lead trial and appeals counsel, he advises businesses on all aspects of legal issues with a focus on defining and achieving successful business outcomes. Mark also has experience in advising clients in mergers and acquisi...

Irene M. MacDougall is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Economic Development Law and Real Estate Law. Irene M., 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 Irene M. is held by other top lawyers in the same geographic and legal practice area.

Gary S. Desberg is a Principal in the Cleveland law firm of Singerman, Mills, Desberg & Kauntz Co., L.P.A., where he practices primarily in the areas of real estate law, business law and secured lending. Mr. Desberg has extensive experience in commercial real estate transactions through his representation of several national and regional chain store tenants, as well as his work for lenders, owners, and managers of office, retail, and multi-family residential properties. Mr. Desberg’...

Daniela Paez is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Daniela, 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 Daniela is held by other top lawyers in the same geographic and legal practice area.

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...

Steven M. Goldberg founded the Goldberg Legal Co., LPA litigation firm 37 years ago and has practiced law continuously since. Over the years he has successfully litigated and tried complex civil and criminal matters in U.S District Courts, U.S. Court of Federal Claims, and various state courts. Mr. Goldberg has briefed and argued dozens of appeals at the state and federal level including in the Ohio Supreme Court, Carpenter v. Consolidated Rail Corp ., 69 Ohio St.3d 259 (1994); and Estate of ...

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

Michael Quinlan is an experienced trial and litigation attorney with a background in criminal prosecution and civil litigation . His practice areas encompass insurance defense , products liability, probate litigation, criminal defense, toxic tort, state and federal civil litigation, and estate planning . He holds the position of co-chair of the estate planning and probate group. Mr. Quinlan is licensed in the State of Ohio and is admitted to the U.S. District Court, Northern and Southern Dist...

Bart spent the first part of his career as an insurance advisor and securities analyst. He later became a lawyer and developed his skills as a litigator and trust attorney. This wide range of experience enables him to give his clients a comprehensive view of financial planning not often found in estate planning attorneys. Bart Leonardi is a Certified Specialist in Estate Planning, Trust and Probate Law by the Ohio State Bar Association. His practice is concentrated in the areas of estate plan...

Warren Goldenberg, Senior Counsel at Hahn Loeser’s Cleveland office, is the President and Chief Operating Officer of KeborMed Inc. (www.kebormed.com), a Platform-as-a-Service for cloud connected medical devices. KeborMed is an early revenue company which has a strategic marketing alliance with Ximedica. After more than 30 years as a Partner at Hahn Loeser, Warren became Senior Counsel on September 1, 2021 in connection with closing of KeborMed’s Series Seed financing so that he co...