John F. Kostelnik

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...

Stephanie E. Harley is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Stephanie E., 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 Stephanie E. is held by other top lawyers in the same geographic and legal practice area.

Christopher S.W. Blake focuses his practice on mergers and acquisitions, divestitures, recapitalizations, and financings for a wide range of industries, including food and beverage, gaming, and real estate. As co-chair of Hahn Loeser’s International Practice Group and Corporate Transactions Group, Chris’ practice spans domestic and international transactional matters. Chris has worked with clients in countries in Eastern Europe, Africa, Central and South America, and Southeast Asi...

With over 40 years of legal experience, Patricia Ritzert focuses on governmental law, public finance, and business law as a member of the firm’s Corporate and Business Law group. Her extensive background includes serving as an assistant law director for the cities of Akron and Cuyahoga Falls, as well as various Ohio port authorities. Ms. Ritzert’s experience spans a wide range of local government issues, including employment, land use, taxation, finance, claims for and against tow...

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.

As a Partner in the Firm’s Trusts and Estates Practice Group, Justin provides estate planning solutions to high-net-worth individuals and families. This includes preparing full estate plans, from Wills to Revocable and Irrevocable Trusts, as well as handling probate and tax matters. Prior to joining the Firm, he worked at one of America’s largest financial institutions, where he spearheaded a team of experts in investment management, financial and estate planning, lending and depo...

Karen Gabriel Moss has practiced immigration law for more than twenty years, focusing on business and family based immigration. She represents the full spectrum of businesses from Fortune 500 companies to family businesses. Her diverse practice includes large manufacturers, technology companies, health care employers, large law firms, engineering firms and family businesses. Prior to joining NGC, Karen was co-managing partner at Rosner, Ortman & Moss, routinely named one of the best immig...

Christopher Hubbert is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Christopher, 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 Christopher is held by other top lawyers in the same geographic and legal practice area.

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

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