Member of Department of Energy Biological and Environmental Research Advisory Committee (BERAC), 2013- Member National Academy of Engineering 2012 Member Washington State Academy of Sciences 2012 2006 Procter & Gamble Award in Applied and Environmental Microbiology. 1999 Bergey Award Fellow American Academy of Microbiology, Elected 1996. Organizing Committee for 2010 Biannual Meeting of the International Society for Microbial Ecology. Bryant Memorial Lecturer. Gut Function Meeting, Chicago, IL April 20-21, 2008 Grant Proposal Review Panel for Ireland Science Foundation, Dublin, Ireland, March 20-27, 2008 3 Committee for external review of University of British Columbia Department of Microbiology, January 22-23, 2009. University of Pennsylvania Graduate Committee Service, Final PhD Defense, Philadelphia, September 17, 2008. External Opponent, PhD Defense, University of Helsinki, Finland, June 11, 2008. External Opponent, PhD Defense, University of Bergen, Norway, May 8, 2008. External Advisory Board Member. December 2008. Thermal Biology Institute. NSF Panelist. Microbial Genomics. 2005 - 2007 Co-organizer of Symposium entitled "Archaeal Ammonia Oxidation – Occurrence and Significance" for the 2007 General Meeting of the American Society for Microbiology. Toronto. External evaluator for review of the Department of Microbiology and Molecular Biology, College of Agriculture, Brigham Young University, Provo Utah. February 9-10, 2006. Pacific Northwest National Laboratory Biomolecular Systems Initiative Advisory Board 2005- 2007 Invited Lecture. Annual Spiegelman Lecture, University of Illinois, Department of Microbiology “The Natural History of Microorganisms.” Urbana, IL, April 27, 2004 Board of Governors, American Academy of Microbiology. 2001-2004, re-elected in 2004 for a second term. Board Member of the International Society for Microbial Ecology. Elected 2001. Committee on the Origins and Evolution of Life. National Research Council. 2000-2002 James N. and Margie M. Krebs Professor (Northwestern University) National Research Council Task Group on Forward Contamination of Europa. 1999-2000. Orton K. Stark Distinguished Lecturer, Miami University, April 1998. NASA, Mars Curation and Receiving Oversight Panel. 1997-1998 USFCC/J. Roger Porter Award Committee. 1998-1999, 2002- ASM Foundation for Microbiology Lecturer, 1997-1999. Smith Kline Beecham Award for Research Excellence, 1992. University of Illinois Beckman Research Award Recipient, 1992 Chair-elect of Division R (Systematic and Evolutionary Microbiology). American Society for Microbiology, one-year term beginning July 1, 1990. 4 University of Minnesota Malcolm Moos Visiting Professorship. Instruction of workshops (July 1987- 1989, 1992) at the Gray Freshwater Biological Institute on the applications of molecular techniques to studies of microbial ecology. Invited Division I Lecturer (General Microbiology) Annual Meeting of the American Society for Microbiology, Dallas, May 5-9, 1991. Membership on the Biotechnology Science Advisory Committee for the U.S. Environmental Protection Agency, 1986-1989. NSF/USDA Panel Service for Microbial Genome Sequencing Program 2005 & 2007