Deputy Commissioners and Their Predecessors
Terms of Office

Assistant Chiefs

Dr. Willard D. Bigelow (1907-1913)
Assistant Chief

Dr. Robert L. Emerson (1913-1916)
Assistant Chief

Jones W. Parker (1916-1918)
Co-Assistant Chief w/Dr. Emerson

Walter G. Campbell (1918-1924)
Assistant Chief

Dr. W.W. Skinner (1921-1924)
Assistant Chief while Mr. Campbell was Acting Chief, Bureau of Chemistry

Dr. W.W. Skinner (1924-1925)
Assistant Chief

Paul W. Dunbar (1925-1927)
Co-Assistant Chief

Dr. Paul B. Dunbar (1927-1944)
Deputy Commissioner

Charles W. Crawford (1945-1951)
Deputy Commissioner

George P. Larrick (1951-1954)
Deputy Commissioner

John L. Harvey (1954-1965)
Deputy Commissioner

Winton B. Rankin (1966-1969)
Deputy Commissioner

James D. Grant (1970-1971)
Deputy Commissioner

Sherwin Gardner (1972-1979)
Deputy Commissioner

Dr. Mark Novitch (1980-1985)
Deputy Commissioner

John A. Norris (1985-1988)
Deputy Commissioner

James A. Benson (1988-1989)
Deputy Commissioner

James A. Benson (1989-1990)
Acting Commissioner
(December 1989 - November 1990)

Mary Pendergast (1996-1998)
Deputy Commissioner/Senior Advisor

Dr. Murray Lumpkin (October 2001 - February 2002)
Acting Deputy Commissioner

Lester M. Crawford (2002, 2004-2005)
Deputy Commissioner

Michael Taylor (1991-1994)
Deputy Commissioner for Policy

William B. Schultz (1994-1999)
Deputy Commissioner for Policy

Carol Scheman (1991-1994)
Deputy Commissioner for External Affairs

Sharon Smith Holston (1994-Present)
Deputy Commissioner for International and Constituent Relations

Dr. Jane Henney (1991-1994)
Deputy Commissioner for Operations

Linda Suydam (1994-1995)
Interim Deputy Commissioner for Operations

Dr. Michael Friedman (1995-1998)
Deputy Commissioner for Operations

Mary Jo Veverka (1994-1995)
Deputy Commissioner, OMS

Robert J. Byrd (1996-1997)
Acting Deputy Commissioner, OMS

Robert J. Byrd (1997-2001)
Deputy Commissioner, OMS

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