- 2015 - present
International Society for Human and Animal Mycology
- 2015 - present
Coccidioidomycosis Study Group
- 2014 - present
Water Safety Committee, Southern Arizona Veterans Affairs Health Care System
- 2013 - 2015
Coccidioidomycosis Study Group
- 2012 - present
Antibiotic Stewardship Subcommittee, Southern Arizona Veterans Affairs Health Care System
- 2011 - 2014
Planning Committee, American College of Physicians
- 2010 - 2011
HIV Employee Education System Planning Committee, Veterans Administration
- 2010 - present
Invasive Mycoses, Guidelines for Prevention and Treatment of Opportunistic Infections in HIV-Infected Adults and Adolescents, NIH/CDC/IDSA
- 2009 - present
Infection Control Committee, Southern Arizona Veterans Affairs Health Care System
- 2008 - present
Invasive Fungal Infections, Faculty of 1000
- 2006 - 2008
Non-Candida Fungal Infections, Guidelines on the Prevention and Treatment of Opportunistic Infections During HIV Infection Committee, DHHS-IDSA
- 2005
College of Medicine, University of Arizona
- 2003 - 2017
HIV Technical Advisory Group, Department of Veterans Affairs
- 2003 - 2007
SARS Working Group, Department of Veterans Affairs
- 2003 - 2006
Pharmacy and Therapeutics Committee, Southern Arizona Veterans Affairs Health Care System
- 2003 - 2006
VISN 18 Pharmacy Benefits Management Working Group, Department of Veterans Affairs
- 2001 - 2009
Pharmacy and Therapeutics Committee, Southern Arizona Veterans Affairs Health Care System
- 2000 - 2002
VA Society for Practitioners of Infectious Diseases (VASPID)
- 2000 - 2002
Guidelines for the Prevention of AIDS-Related Opportunistic Infections, Infectious Disease Society of America
- 2000 - present
Promotion and Tenure Committee, Department of Medicine, University of Arizona
- 1999 - 2001
Biomedical Research Foundation of Southern Arizona
- 1999 - 2000
House Staff Committee, Department of Medicine, University of Arizona
- 1998 - 2003
Medicine and Primary Care Quality Management Committee, Southern Arizona Veterans Affairs Health Care System
- 1998 - 2000
VA Society for Practitioners of Infectious Diseases (VASPID)
- 1998 - 1999
Prevention of Opportunistic Infections Working Group, United States Public Health Service (USPHS) and Infectious Disease Society of America (IDSA)
- 1997 - 1999
Longitudinal Clinical Curriculum, College of Medicine, University of Arizona
- 1997
HIV Physician Selection Committee, Department of Medicine, University of Arizona
- 1997
Ad Hoc Committee on MICU Infections, Southern Arizona Veterans Affairs Health Care System
- 1997
Ethical Issues in Occupational Exposure to HIV Working Group, Department of Veterans Affairs
- 1996 - 1998
VA Society for Practitioners of Infectious Diseases (VASPID)
- 1996 - 1997
Liaison Committee on Medical Education Institutional Self Study, College of Medicine, University of Arizona
- 1996 - 1997
Medical Service Quality Assurance Committee, Southern Arizona Veterans Affairs Health Care System
- 1996 - present
VA Society for Practitioners of Infectious Diseases (VASPID)
- 1994 - 1998
Human Subjects Committee, University of Arizona
- 1994 - 1998
HIV Committee, University of Arizona
- 1994 - 1996
American Lung Association of Arizona, American Lung Association
- 1994 - 1996
Research Committee, American Lung Association of Arizona, American Lung Association
- 1994 - 1995
Admissions Committee, Department of Microbiology and Immunology, University of Arizona
- 1994 - 1995
Pharmacology Course Review Subcommittee, College of Medicine, University of Arizona
- 1994 - 1995
Prevention of Opportunistic Infections Working Group, United States Public Health Service (USPHS) and Infectious Disease Society of America (IDSA)
- 1993 - 1996
HIV Subcommittee, VA Society for Practitioners of Infectious Diseases (VASPID)
- 1993 - 1995
4th-Year Elective, Care of HIV-Infected Patients, College of Medicine, University of Arizona
- 1993 - 1994
Tucson SHANTI Foundation
- 1993
Ryan White/NCAP Grants, Tucson Community Foundation
- 1992 - 1993
Directors Task Force on Research Service Funding Shortfall, Southern Arizona Veterans Affairs Health Care System
- 1992 - 1996
AIDS Education Project, College of Medicine, University of Arizona
- 1992 - 1995
Research & Development Committee, Southern Arizona Veterans Affairs Health Care System
- 1992 - 1993
Pediatric Clerkship Review Subcommittee, College of Medicine, University of Arizona
- 1992
Curriculum Committee, College of Medicine, University of Arizona
- 1991 - 1994
Hands and Hearts Award Selection Committee, Southern Arizona Veterans Affairs Health Care System
- 1991 - 1992
Research Service Space Committee, Southern Arizona Veterans Affairs Health Care System
- 1991
Pima County Ryan White Fund Allocation for HIV Committee
- 1990 - 1993
Western Region Veterans Peer Review Organization, Department of Veterans Affairs
- 1990
Neurology Clerkship Review Subcommittee, College of Medicine, University of Arizona
- 1990
American College of Physicians
- 1990
Infectious Disease Society of America
- 1989 - 1997
Medical Service Quality Assurance Committee, Southern Arizona Veterans Affairs Health Care System
- 1988 - 1989
Research & Treatment Development Study Group, Arizona's Governor's Task Force on AIDS
- 1988
Computer Committee, Southern Arizona Veterans Affairs Health Care System
- 1987 - 2017
Second-Year Medical Students, College of Medicine, University of Arizona
- 1987 - 1990
AIDS Resource Committee, Southern Arizona Veterans Affairs Health Care System
- 1987 - 1990
District 24 MEDIPRO, Veterans Administration
- 1986 - 1994
House Staff Committee, Department of Medicine, University of Arizona
- 1986 - 1992
Records Committee, Southern Arizona Veterans Affairs Health Care System
- 1986 - present
Division F (Mycology), American Society for Microbiology
- 1986 - present
International AIDS Society
- 1986 - present
Coccidioidomycosis Study Group
- 1985 - 1991
Infection Control Committee, Southern Arizona Veterans Affairs Health Care System