From 2005 to 2009, John held the position of Health Attaché of the United States Mission to the United Nations Educational, Scientific and Cultural Organization (UNESCO) and the U.S. Mission to the Organization for Economic Cooperation and Development (OECD). In that capacity, John represented the United States at UNESCO and OECD on health, social, and science policy matters such as the effect of U.S. and European health systems'organizational and reimbursement policies on innovation, quality, and access.
Prior to his position of Health Attaché, John served as Deputy Assistant Secretary for Planning and Evaluation, in charge of the Office of Disability, Aging and Long-Term Care Policy (DALTCP), U.S. Department of Health and Human Services from 2001 to 2005. While practicing law, with specialty in health law and policy, John represented hospitals, hospital associations, organ recovery organization, doctors, and others in connection with legal issues such as Medicare reimbursement; price controls; health planning and certificate of need; organ donation and recovery; antitrust; fraud and abuse and self-referral; national physician data bank; and physician discipline.
Although the United States spends more on health care than other developed countries, reports have indicated inferior US health system performance. But the methodology behind such comparisons turns out to be far from accurate.