| 2002-present | Interim Head & Head, Department of CIvil, Architectural & Environmental Engineering, Drexel University |
| 1991-present | Betz Chair Professor of Environmental Engineering, Drexel University |
|
1989-1990 |
Acting Chairman, Pritzker Department of Environmental Engineering, Illinois Institute of Technology |
|
1988-1989 |
Visiting Professor of Environmental Engineering, University of Illinois at Urbana-Champaign |
|
1981-1990 |
Assistant Professor (1981-83), Associate Professor (1983-87), Professor (1987-90) Illinois Institute of Technology |
|
1978-1981 |
Assistant Professor of Environmental Engineering in the Department of Chemical and Environmental Engineering, (1979-1981), Acting Director of Environmental Engineering Programs, Rensselaer Polytechnic Institute |
Recipient, 1984 AAAS-USEPA Summer Environmental Science and Engineering Fellowship.
Octave Chanute Award (Outstanding Paper), Western Society of Engineers, 1984.
Charles Ellet Award (Outstanding Young Engineer), Western Society of Engineers,
1985.
Listed in American Men and Women of Science (1994)
Listed in Who's Who in Science and Engineering (1996)
Listed in Who's Who in the East (1997)
Listed in Who's Who in Medicine and Healthcare (1997)
Listed in Who's Who in America, 51st edition (1996)
Listed in Who's Who in the World (2001)
Professional Research Award, Pennsylvania Water Environment Association (1997)
American Academy of Microbiology, Elected as Fellow (1997)
Frontiers in Research Award, Association of Environmental Engineering and Science
Professors (sponsored by Malcolm Pirnie, Inc) (2002).
American Association for the Advancement of Science, Elected as Fellow (2002)
Society for Risk Analysis, Elected as Fellow (2002)
University of Illinois at Urbana-Champaign, Department of Civil and Environmental
Engineering, Distinguished Alumnus Award (2003) International Ozone Association,
Harvey M. Rosen Memorial Award (best paper in Ozone Science and Engineering
for 2001-3) (2003).
National Academies (National Academy of Sciences, National Academy of
Engineering, Institute of Medicine, National Research Council):
designated as a lifetime National Associate (2004).
American Water Works Association, advisor to 2nd Place Academic
Achievement Award Winner (Christopher Crockett—PhD dissertation)
(2005).
American Water Works Association, Water Science and Research Division,
best paper award (“Risk Assessment of Waterborne
Coxsackievirus”) (2005).
Member, Research Division Committee on Disinfection, 1980-present.
Member, Water Quality Division Committee on Disinfection, 1982-present.; Chairman, 1989-1994
Member, Water Quality Division Committee on Organisms in Water, 1983-1987.
Member, Committee on Disinfection, 1980-1988, 1991-present.
Member, Board of Editorial Review for the Research Journal, 1989-1995. Chairman, 1992-1995.
Councilor (member, Board of Directors), 2000-2003
Associate Editor, Risk Analysis, 2006-present
Division Y (General Interest) Electorate Nominating Committeee (2002-2005).
Member, Board of Directors, 2001- 2003
Treasurer and Member of the Executive Committee, 2002-2003