Adam J. Fein, PhD, is the CEO of Drug Channels Institute, a leading source of industry research about pharmaceutical economics and the drug distribution system. Widely published in academic and industry publications, he also heads the Drug Channels website, praised by readers for its comprehensive and witty coverage of pharmacy benefit managers (PBMs), medication pricing, and other industry topics. He is widely considered the preeminent expert on pharmaceutical economics and the drug distribution system, and is regularly quoted in The Wall Street Journal, The New York Times, The Washington Post, and Forbes.