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December 20, 2022

Former OMH Assistant Counsel Keith Brennan Joins Barclay Damon

December 20, 2022—Barclay Damon announces Keith Brennan, of counsel, has joined Barclay Damon’s Health & Human Services Providers and Health Care Controversies Teams. His primary office location is Albany.

Brennan has over 20 years of experience in health care program development, implementation, and litigation. He has been involved in complex litigation matters, including institutional reform cases and class-action lawsuits. Brennan has deep experience navigating HIPAA and other state and federal confidentiality laws as well as with matters involving third-party discovery, subpoenas, and Freedom of Information Law (FOIL) requests.

Brennan joins the firm from the New York State Office of Mental Health (OMH), where he was assistant counsel and was involved in numerous major hospital system reorganizations, affiliations, and mergers as well as the rapid growth of managed care in the provision of behavioral health services. While working with the OMH, Brennan contributed to the successful development and implementation of joint licensure regulations, standards pertaining to the co-location of programs, and regulations permitting the use of telehealth for the delivery of behavioral health programs.

Brennan said, “I’m looking forward to the work I’ll be doing at the firm and collaborating with my colleagues across the firm’s platform of offices.”

Chris Greene, Health Care Practice Group leader, said, “Keith’s experience in the health care space is a great addition to the services Barclay Damon’s health care teams offer. We’re thrilled he has joined us.”

Barclay Damon attorneys team across offices and practices to provide customized, targeted solutions grounded in industry knowledge and a deep understanding of our clients’ businesses. With nearly 300 attorneys, Barclay Damon is a leading law firm that operates from a strategic platform of offices located in the Northeastern United States and Toronto. For more information, visit our award-winning website at


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We're Growing in DC!

We’re excited to announce Barclay Damon’s combination with Washington DC–based Shapiro, Lifschitz & Schram. SLS’s 10 lawyers, three paralegals, and four administrative staff will join Barclay Damon while maintaining their current office in DC’s central business district. Our clients will benefit from SLS’s corporate, real estate, finance, and construction litigation experience and national energy-industry profile, and their clients from our full range of services.

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