Online Master of Laws in Healthcare Law

Teresa A. Williams

Adjunct Professor Teresa A. Williams is an Adjunct Professor at the University of Oklahoma College of Law, where she teaches courses in the Master of Legal Studies and LLM programs in Healthcare Administration. She is also Of Counsel at Christensen Law Group in Oklahoma City and provides healthcare law, compliance, and privacy consulting to hospitals, health systems, and accountable care organizations. Williams previously served as General Counsel and Vice President of Regulatory Services at INTEGRIS Health, where she spent 22 years overseeing Legal Services, Corporate Compliance, and Legislative Affairs and served as Corporate Compliance and Privacy Officer for eight years. She has practiced law since 1991 and previously served as a director at Crowe & Dunlevy. Her healthcare practice includes physician and hospital contracting, managed care, joint ventures, mergers and acquisitions, compliance, regulatory matters, HIPAA and privacy, EMTALA, electronic medical records, clinical research, and medical staff issues. Williams is a frequent author and speaker on healthcare law and has been recognized as an American Health Law Association Fellow. She is a past president of the Oklahoma Health Lawyers Association and the Oklahoma Bar Association Health Law Section. Williams teaches courses in the Healthcare Law Master of Legal Studies and LLM programs.

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Michael D. Granston

Adjunct Professor Michael Granston is a partner at Covington & Burling, where he chairs the firm’s False Claims Act Investigations and Litigation practice. He previously spent nearly 30 years with the U.S. Department of Justice’s Civil Division, pursuing and supervising healthcare fraud matters and serving as Deputy Assistant Attorney General. He also served for more than a decade as the Civil Division’s Deputy Designated Agency Ethics Official. Before joining the Department of Justice, Granston practiced at Covington & Burling, handling civil and criminal matters. He began his legal career as a law clerk to Judge David Ebel of the U.S. Court of Appeals for the Tenth Circuit and Judge Jan DuBois of the U.S. District Court for the Eastern District of Pennsylvania.

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Kevin W. Buono

Adjunct Professor Kevin Buono has more than a decade of private practice experience and is currently a partner in the Boston office of Morrison Mahoney LLP, where he is a member of the firm’s Health Law and Appellate practice groups. His practice focuses on healthcare commercial transactions and regulatory compliance, as well as consumer class actions and mass torts, drug and medical device liability, medical malpractice defense, long-term care liability, and other healthcare-related litigation. He represents regional and national clients across several areas of health law and has represented amici curiae before the Massachusetts Supreme Judicial Court on issues of first impression involving product liability, class actions, and healthcare finance. Buono is also an assistant professor of legal practice at the University of Massachusetts School of Law. He previously served on the full-time faculty at OU Law from 2024 to 2026 and as a lecturer at Rutgers Law School and New England Law | Boston. He earned his undergraduate degree from American University and his JD from New England Law | Boston.

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Karen S. Rieger

Adjunct Professor Karen Rieger is an Adjunct Professor in the University of Oklahoma College of Law’s Master of Legal Studies and LLM program in Healthcare Law. She is a recognized authority on healthcare legal issues and matters affecting nonprofit corporations and is Chair Emeritus of the Healthcare practice group at Crowe & Dunlevy, where she has practiced since 1981. Her practice focuses on healthcare law, including the Affordable Care Act, Anti-Kickback and Stark laws, HIPAA privacy and security, tax-exempt and governmental healthcare providers, Medicare reimbursement, medical staff matters, acquisitions, joint ventures, and healthcare contracts. Rieger is a frequent seminar presenter, author, and dispute resolver and has served as a director of the Oklahoma Health Lawyers Association and chair of the Oklahoma Bar Association Health Law Section. She is the author of The Medical Staff Guidebook: Minimizing Risks and Maximizing Collaboration (2016 Edition). Rieger earned a BA in Journalism, with distinction, and a JD, with honors, from the University of Oklahoma.

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Elise Dunitz Brennan

Adjunct Professor Elise Brennan has practiced law for more than 40 years, with a focus on healthcare law for the past 30 years. She began her career in commercial and employment litigation and administrative hearings before transitioning to healthcare law, where she now represents healthcare systems, hospitals, pharmaceutical and medical device companies, and long-term care facilities. Her practice focuses on operational and regulatory matters, compliance, mergers and acquisitions, HIPAA, Medicare, Anti-Kickback and Stark laws, EMTALA, managed care, physician and medical staff matters, licensure, peer review, fraud and abuse, risk management, and healthcare transactions and contracting. Brennan serves as an arbitrator for the American Arbitration Association and as an arbitrator, mediator, and trainer for the American Health Law Association. She has been an Adjunct Professor of Law at the University of Oklahoma since 2018, where she teaches Professional Relations in Healthcare Enterprises and a course on comparative healthcare systems. Brennan is a Fellow of the American Health Law Association and the first Oklahoma attorney elected to the organization. She has been recognized by Chambers USA and The Best Lawyers in America and has received numerous professional honors, including the Oklahoma Journal Record Leadership in Law Award and Oklahoma Bar Association Spotlight Award.

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Peter Cooch

Adjunct Professor Peter Cooch is a professor in the University of Oklahoma College of Law where he teaches Experiencing a Simulated Investigation. He is currently a trial attorney in the United States Department of Justice, Criminal Division, Fraud Section. As a federal prosecutor, he investigates and prosecutes violations of federal criminal law. Cooch previously worked as an associate at King & Spalding LLP in the firm’s Special Matters and Government Investigations practice group. His practice focused on civil and criminal investigations and litigation in state and federal courts throughout the country. As an associate at King & Spalding, he gained substantial experience defending individuals and corporations in healthcare investigations in the pharmaceutical and medical device industries. He holds a BS in Finance from the University of Maryland, College Park—University Honors Program, and a JD, cum laude, from the University of Maryland Francis King Carey School of Law.

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Sunny Rowland

Assistant Professor Director of Academic and Bar Support Sunny Rowland is the Director of Academic and Bar Support at OU Law and the Director of the Paralegal Studies Program. Before joining OU Law, she practiced law in Oklahoma City, focusing on transactional law and mediation. Rowland began developing and teaching courses for OU’s College of Liberal Studies and College of Professional and Continuing Studies and OU Law’s Paralegal Studies Program in 2006. She is admitted to practice law in Oklahoma and holds Supreme Court of Oklahoma certifications in civil, commercial, employment, and family/domestic mediation. She is a member of the Oklahoma Bar Association, American Bar Association, Association of Academic Support Educators, and Association of American Law Schools.

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