* denotes active member of the Graduate Faculty
O'BERRY, PHILLIP A.,Professor of Veterinary Microbiology and Preventive Medicine (Collaborator). B.S., 1955, Florida; D.V.M., 1960, Auburn; Ph.D., 1967, Iowa State.
*O'CONNOR, ANNETTE M.,Assistant Professor of Veterinary Diagnostic and Production Animal Medicine. B.V.Sc., 1993, Sydney (Australia); M.V.SC., 1997, Queensland (Australia); DVSC, 2000, Guelph (Canada).
*OAKLAND, MARY JANE,Associate Professor of Food Science and Human Nutrition. B.S., 1966, South Dakota State; M.S., 1970, Ph.D., 1985, Iowa State.
OBRIEN, SUSAN E.,Associate Professor of Veterinary Clinical Sciences. B.S., 1972, D.V.M., 1973, Michigan State.
*OBRYCKI, JOHN J.,Professor of Entomology. B.S., 1974, New York (Albany); M.S., 1978, Ph.D., 1982, Cornell.
OESTERREICH, LESIA L.,Adjunct Instructor in Human Development and Family Studies. B.S., 1978, M.S., 1988, Texas Tech.
*OGILVIE, CRAIG A.,Assistant Professor of Physics and Astronomy. B.Sc., 1983, Canterbury (New Zealand); Ph.D., 1987, Birmingham (Uk).
*OH, HAEMOON,Assistant Professor of Hotel, Restaurant, and Institution Management. B.A., 1989, Hanyang (Korea); M.S., 1992, Nevada (Las Vegas); Ph.D., 1997, Pennsylvania State.
*OHLUND, BARBARA,Assistant Professor of Curriculum and Instruction. B.A., 1989, M.A., 1995, Iowa; Ph.D., 2000, Arizona State.
*OKIISHI, THEODORE H.,Professor of Mechanical Engineering; Associate Dean of the College of Engineering. B.S., 1960, M.S., 1963, Ph.D., 1965, Iowa State.
*OLAFSSON, SIGURDUR,Assistant Professor of Industrial and Manufacturing Systems Engineering. B.S., 1994, Iceland; M.S.I.E., 1996, Ph.D., 1998, Wisconsin.
OLDEHOEFT, ARTHUR E.,Emeritus Professor of Computer Science. B.A., 1957, M.S., 1959, Oklahoma State; Ph.D., 1970, Purdue.
*OLESON, MARK D.,Assistant Professor of Human Development and Family Studies. B.S., 1994, Brigham Young; M.S., 1996, Ph.D., 1999, Utah State.
*OLIVER, DAVID J.,Professor of Botany and Chair of the Department. B.S., 1971, M.S., 1973, New York (Syracuse); Ph.D., 1975, Cornell.
*OLSEN, MICHAEL G.,Assistant Professor of Mechanical Engineering. B.S., 1992, M.S., 1995, Ph.D., 1998, Illinois.
OLSEN, STEVEN,Associate Professor of Biomedical Sciences (Collaborator). B.S., 1979, M.S., 1981, D.V.M., 1985, Ph.D., 1991, Kansas State.
*OLSON, CAROLYN G.,Associate Professor of Agronomy (Collaborator). B.S., 1974, Syracuse; M.A., 1977, Ph.D., 1979, Indiana.
OLSON, DENNIS G.,Professor of Animal Science (Collaborator). B.S., 1969, Ph.D., 1975, Iowa State.
OLSON, JAMES ALLEN,Professor of Biochemistry, Biophysics and Molecular Biology; Professor of Food Science and Human Nutrition; Distinguished Professor in Liberal Arts and Sciences. B.S., 1946, Gustavus Adolphus; Ph.D., 1952, Harvard.
*OLSON, JOANNE K.,Assistant Professor of Curriculum and Instruction. B.A., 1991, California State Polytechnic; M.A., 1993, Claremont; Ph.D., 1999, Southern California.
*ONG, SAY K.,Associate Professor of Civil and Construction Engineering. B.E., 1980, Malaya (Malayria); M.S., 1987, Vanderbilt; Ph.D., 1990, Cornell.
OPENSHAW, SCOTT D.,Adjunct Instructor in Mechanical Engineering. B.S., 1996, Brigham Young; M.S., 2000, Iowa State.
*OPSOMER, JEAN D.,Assistant Professor of Statistics. B.S., 1986, Katholieke (Belgium); M.B.A., 1987, Chicago; Ph.D., 1995, Cornell.
*ORAZEM, PETER FRANCIS,Professor of Economics. B.A., 1977, Kansas; M.Phil., 1980, Ph.D., 1983, Yale.
OSBORN, BARB A.,Adjunct Instructor in Horticulture. B.S., 1983, M.S., 1988, Iowa State.
OSBORN, WAYNE S.,Emeritus Assistant Professor of History. B.A., 1959, Simpson; M.A., 1963, Ph.D., 1970, Iowa.
OSMUS, LORI L.,Associate Professor, Library. B.A., 1977, St. Francis; M.S., 1978, Illinois; M.A., 2000, Iowa State.
*OSTERBERG, ARVID ERIC,Professor of Architecture. B.Arch., 1969, M.Arch., 1972, Illinois; D.Arch., 1980, Michigan.
*OSWEILER, GARY D.,Professor of Veterinary Diagnostic and Production Animal Medicine; Professor of Veterinary Pathology. D.V.M., 1966, M.S., 1968, Ph.D., 1973, Iowa State.
*OTAIGBE, JOSHUA USIFO,Associate Professor of Materials Science and Engineering; Associate Professor of Chemical Engineering. B.S., 1979, Benin; Ph.D., 1984, Manchester.
*OTTO, DANIEL M.,Professor of Economics. B.A., 1976, M.S., 1978, Minnesota; Ph.D., 1981, Virginia Polytechnic Institute.
OUYANG, TIAN HE,Professor of Electrical and Computer Engineering (Collaborator).
*OWEN, DAVID BISHOP,Professor of Curriculum and Instruction; Professor of English. B.A., 1964, Harvard; M.A., 1966, M.A., 1980, Ph.D., 1984, Chicago.
*OWEN, MICHEAL D.,Professor of Agronomy. B.S., 1974, M.S., 1975, Iowa State; Ph.D., 1982, Illinois.
OWINGS, WILLIAM J.,Emeritus Professor of Animal Science. B.S., 1953, M.S., 1958, Ph.D., 1960, Iowa State.