- Member IOM Review Panel for Federal BioWatch System, 2009-2010
- Chair NIH Special Study Section on Point of Care Technologies, 2007
- NIH Biomaterials and Biointerfaces Study Section, 2003-2005
- NIH Natl Adv Council for Complementary and Alternative Medicine, Ad Hoc Member, 2005
- NRC Board of Life Sciences – Reviewer for reports, 2004, 2005
- Chairman, Panel to Review International Biosensing Research Trends; for NIH, NSF, 2002-
- Institute of Medicine, Comm on Response to Chem and Biological Terrorism Incidents, 1997-1999
- National Research Council, Vice Chairman, Comm on Chem and Biological Defense, 1995-1998
- American Institute for Medical and Biological Engineering, President, 1995
- American Chemical Society, Biochemical Technology Division: Chairman, 1974-1975; Program Chairman, 1973-1974; Sec Treas, 1969-1972
- Amer. Inst. Chem. Eng., Food, Pharmaceutical and Bioengineering Division: Chairman, l969-1970; Vice Chairman, 1968-69; Program. Chairman, 1967-68 Vice Chairman Award Comm., 1986; Chairman Award Comm., 1987-88 Life Sciences Program Group: Chairman, 1975-1977
- NIH Surgery and Bioengineering Study Section, 1984-1988
- Gordon Conference on Synthetic Membranes, Chairman 1988, Co-Chair, 1986
- American Society of Artificial Internal Organs: Program Committee, 1980-1984
- Lecturer on Biosensors, College of American Pathologists, 1989-1990
- NSF Ad-Hoc Committee: Structuring a Professional Society for Bioengineering, 1989-1990
