In 1969, Dr. Herdman was appointed director of the New York State Kidney Disease Institute in Albany, New York, and shortly thereafter was appointed deputy commissioner of the New York State Department of Health (1969–1977). In 1977, he was named New York State’s director of public health. From 1979 until joining the U.S. Congress Office of Technology Assessment (OTA), he served as a vice president of Memorial Sloan-Kettering Cancer Center in New York City. In 1983, Dr. Herdman was named assistant director of OTA, where he subsequently served as director from 1993 to 1996. He later joined the IOM as a senior scholar and directed on graduate medical education, organ transplantation, silicone breast implants, and the Veterans Administration national formulary. Dr. Herdman was appointed director of the IOM/National Research Council National Cancer Policy Board from 2000 through 2005. From 2005 until 2009, he directed the IOM National Cancer Policy Forum. In 2007, he was also appointed director of the IOM Board on Health Care Services. During his work at the IOM, Dr. Herdman has worked closely with the U.S. Congress on a wide variety of health care policy issues.