George G. Olsen


T: 202-659-8201
F: 202-659-5249

George Olsen joined Williams & Jensen as an associate in June of 1975. He became a principal in January of 1978 and was elected President of the firm in 2004. For nearly 35 years, Mr. Olsen’s primary concentration has been health law, representing pharmaceutical and biotechnology companies, health insurance and managed care organizations, hospitals and other health care providers, as well as businesses affected by federal health care law. He also handles antitrust, education, and administrative law issues. Mr. Olsen was selected as one of Washington’s top lobbyists by The Hill.

Professional background

Mr. Olsen has expertise in legislation, regulations, and policy matters in the health care sector. He has been involved with virtually every major health care legislative initiative over the last three decades including the Medicare Catastrophic Coverage Act of 1988; the Health Insurance Portability and Accountability Act of 1996; the Food and Drug Administration Modernization Act of 1997; the Medicare Prescription Drug, Improvement, and Modernization Act of 2003; the Patient Protection and Affordable Care Act; and the Food and Drug Administration Safety and Innovation Act. In addition, Mr. Olsen has represented clients in the rulemaking processes resulting from these laws. He also assists businesses and organizations in anticipating and responding to new laws, federal rules, and policy developments.

Mr. Olsen’s practice includes representing clients under Congressional investigation including a Member of Congress, hospitals and insurers, pharmaceutical companies, and manufacturing companies.

In the antitrust field, Mr. Olsen has defended companies in lawsuits and investigations alleging various forms of anti-competitive and deceptive conduct, was involved in the early development of the Department of Justice and Federal Trade Commission Statements of Antitrust Enforcement Policy in Health Care, and has worked on various antitrust legislation initiatives.

In the education field, Mr. Olsen has counseled accreditation organizations and higher education loan programs on a variety of legislative, regulatory, corporate, and litigation matters.
Mr. Olsen currently holds an “AV” rating from Martindale-Hubbell (Very high to preeminent legal ability, very high ethical standards). He is a member of the National Health Lawyers Association, the American Bar Association, and the Bar Association of the District of Columbia.


  • St. Anselm College, B.A., magna cum laude, 1972
  • George Washington University Law School, J.D., with Honors 1975

Bar Admissions

  • District of Columbia

Court Admissions

  • U.S. Supreme Court
  • Numerous Federal district and appellate courts