A. Thomas McLellan
Encyclopedia
A. Thomas McLellan is a psychologist and professor of psychiatry at the University of Pennsylvania
and founder and Executive Director of the Treatment Research Institute, a not-for-profit research and evaluation institute in Philadelphia.
McLellan received his B.A. from Colgate University
and his M.S. and Ph.D. from Bryn Mawr College
. He received postgraduate training in psychology at Oxford University. He has since worked for the Veterans Administration Medical Center
in Philadelphia and the University of Pennsylvania.
McLellan was the principal developer of the Addiction Severity Index (ASI) and the Treatment Services Review (TSR), widely used substance abuse instruments. He has served as an adviser to many government and nonprofit scientific organizations, including the Office of National Drug Control Policy, the National Practice Laboratory of the American Psychiatric Association
, the Swiss National Science Foundation
, the World Health Organization
, and the Greek government.
McLellan served as the Deputy Director of the Office of National Drug Control Policy
under the Obama administration.
Among McLellan’s many honors and awards are the Life Achievement Award of the American Society of Addiction Medicine
in 2003 and the 2002 award for Distinguished Contribution in Addiction Medicine from the Swedish Medical Association. He has served as Editor-in-Chief of the Journal of Substance Abuse Treatment.
University of Pennsylvania
The University of Pennsylvania is a private, Ivy League university located in Philadelphia, Pennsylvania, United States. Penn is the fourth-oldest institution of higher education in the United States,Penn is the fourth-oldest using the founding dates claimed by each institution...
and founder and Executive Director of the Treatment Research Institute, a not-for-profit research and evaluation institute in Philadelphia.
McLellan received his B.A. from Colgate University
Colgate University
Colgate University is a private liberal arts college in Hamilton, New York, USA. The school was founded in 1819 as a Baptist seminary and later became non-denominational. It is named for the Colgate family who greatly contributed to the university's endowment in the 19th century.Colgate has 52...
and his M.S. and Ph.D. from Bryn Mawr College
Bryn Mawr College
Bryn Mawr College is a women's liberal arts college located in Bryn Mawr, a community in Lower Merion Township, Pennsylvania, ten miles west of Philadelphia. The name "Bryn Mawr" means "big hill" in Welsh....
. He received postgraduate training in psychology at Oxford University. He has since worked for the Veterans Administration Medical Center
United States Department of Veterans Affairs
The United States Department of Veterans Affairs is a government-run military veteran benefit system with Cabinet-level status. It is the United States government’s second largest department, after the United States Department of Defense...
in Philadelphia and the University of Pennsylvania.
McLellan was the principal developer of the Addiction Severity Index (ASI) and the Treatment Services Review (TSR), widely used substance abuse instruments. He has served as an adviser to many government and nonprofit scientific organizations, including the Office of National Drug Control Policy, the National Practice Laboratory of the American Psychiatric Association
American Psychiatric Association
The American Psychiatric Association is the main professional organization of psychiatrists and trainee psychiatrists in the United States, and the most influential worldwide. Its some 38,000 members are mainly American but some are international...
, the Swiss National Science Foundation
Swiss National Science Foundation
The Swiss National Science Foundation is a science research support organization mandated by the Swiss Federal Government. The SNSF was established in 1952 as a foundation under private law. Its secretariat is based in Bern....
, the World Health Organization
World Health Organization
The World Health Organization is a specialized agency of the United Nations that acts as a coordinating authority on international public health. Established on 7 April 1948, with headquarters in Geneva, Switzerland, the agency inherited the mandate and resources of its predecessor, the Health...
, and the Greek government.
McLellan served as the Deputy Director of the Office of National Drug Control Policy
Office of National Drug Control Policy
The White House Office of National Drug Control Policy , a former cabinet level component of the Executive Office of the President of the United States, was established in 1989 by the Anti-Drug Abuse Act of 1988...
under the Obama administration.
Among McLellan’s many honors and awards are the Life Achievement Award of the American Society of Addiction Medicine
American Society of Addiction Medicine
The American Society of Addiction Medicine is a physician society with a focus on addiction and its treatment.- History :ASAM has its roots in research and clinical traditions that pre-date its founding in the early 1950s, when Ruth Fox, M.D. began regular meetings with other physicians interested...
in 2003 and the 2002 award for Distinguished Contribution in Addiction Medicine from the Swedish Medical Association. He has served as Editor-in-Chief of the Journal of Substance Abuse Treatment.