Marilyn J. Brown is the Executive Director, Animal Welfare and Training for Charles River Laboratories. She served as the Director of the Dartmouth College Animal Care and Use Program and Assistant Professor in the Department of Microbiology of the Dartmouth Medical School from 1990-2002. While at Dartmouth College, she was the Chairperson of the Faculty Advisory Board of the Ethics Institute. Dr. Brown served in the US Army Reserves where she retired with the rank of Major. Dr. Brown has contributed to various aspects of laboratory animal medicine, having given presentations on subjects ranging from anesthesia and surgery, to the public relations aspects of the use of animals in research, species specific topics, and ethical issues in the use of animals in experimentation. She has over 30 publications in various areas of laboratory animal care and use, including several chapters in the National Agriculture Library’s publication “Essentials for Animal Research”. She is a co-editor of the ACLAM Anesthesia in Laboratory Animals. She has served on the AVMA Panel on Research Animal Surgery and on the ILAR committee to revise the Guide for the Care and Use of Laboratory Animals (1996 edition). Dr. Brown has also served in numerous professional organizations such as AALAS’ IACUC Training and Learning Consortium; AAALAC’s Council on Accreditation and Board of Trustees; the Board of Directors of ASLAP, ACLAM, SCAW and the Association of Women Veterinarians where she also served as President.