John Zen Jackson, Of Counsel to the firm’s Healthcare practice, was installed as President of the Medical History Society of New Jersey (MHSNJ) on May 6, 2026. He has been a member of the MHSNJ since 2013.

Founded in 1980, the MHSNJ is a non-profit organization devoted to promoting and encouraging historical research, analysis, and publications concerning the history of medicine and related fields. Its main activities include a weekly online newsletter that frequently announces medical history events in the area, monthly Zoom presentations of scholarly papers, and an annual dinner in Princeton with several short presentations and an invited featured lecturer. This year’s lecture was presented by William Summers, M.D., Ph.D. of Yale University.

A frequent author of articles on legal issues, John has also addressed topics associated with medical history since 2012. He focuses his practice on civil litigation including trial and appellate advocacy, primarily in the healthcare area, as well as in healthcare regulatory and compliance matters. He is certified by the Supreme Court of New Jersey as a Civil Trial Attorney, and has authoritative expertise in medical liability, biomedical ethics, and end-of-life issues.

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GRSD Healthcare Team

Healthcare Practice

From regulatory issues to complex transactional and litigation matters to day-to-day business counseling, today’s healthcare industry faces a myriad of legal challenges that require the depth and breadth of a well-rounded and experienced team of professionals. The attorneys in the Healthcare…

Healthcare Practice

From regulatory issues to complex transactional and litigation matters to day-to-day business counseling, today’s healthcare industry faces a myriad of legal challenges that require the depth and breadth of a well-rounded and experienced team of professionals. The attorneys in the Healthcare practice at Greenbaum, Rowe, Smith & Davis possess a sophisticated understanding of the unique healthcare business environment, both here in New Jersey and beyond.

The members of the firm’s healthcare team counsel a roster of clients that includes many of New Jersey’s foremost healthcare systems, hospitals and medical facilities, medical staffs, organized delivery systems (ODSs), clinically integrated networks (CINs), independent practice associations (IPAs), physicians and physician group practices, dentists and dental practices, physician and hospital-physician joint ventures, pharmaceutical companies, managed care organizations, home health agencies, nursing homes, behavioral health organizations, healthcare industry vendors, medical device manufacturers, management service organizations (MSOs), private equity firms, and industry-associated financial and corporate entities. This inclusive representation has propelled the team to statewide and national prominence within the healthcare field.

Our comprehensive healthcare practice encompasses numerous areas of focus. The attorneys in this practice area possess the requisite targeted expertise and hands-on experience to effectively represent a broad range of healthcare industry clients across a spectrum of legal concerns

Visit our website to contact the Healthcare Practice.

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