2013 Ph.D. in Biology, Dalhousie University, Halifax, Canada
2005 B.Sc. (Honours) in Animal Biology, University of Alberta, Edmonton, Canada

Professional Experience

2016-present Assistant Professor, Auburn University
2014-2016 Senior Research Associate, University of Bern, Bern, Switzerland
2013-2014 Research Associate, University of Bern, Bern, Switzerland
2011-2012 Post-doctoral Research Scientist, Swiss Confederation, Bern, Switzerland
2008-2010 Doctoral Graduate Student Researcher, Dalhousie University, Halifax, Canada
2006-2008 Master’s Graduate Student Researcher, Acadia University, Wolfville, Canada

Professional Affiliations

American Association of Professional Apiculturists
Canadian Association of Professional Apiculturists
COLOSS Honey Bee Research Association

Notable Service

Vice President & Secretary, COLOSS
Editorial Board Member, Scientific Reports

Research Interests

Pollinator health | Eco-toxicology | Parasitology | Integrated Pest Management | Conservation ecology

Current efforts directed towards understanding and improving the health of insect pollinators in Alabama and abroad, with a focus on exotic parasites and anthropogenic land-use.


Representative Publications

  • Straub, L., Villamar-Bouza, L., Bruckner, S., Chantawannakul, P., Gauthier, L. Khongphinitbunjong, K., Retschnig, G., Troxler, A., Vidondo, B., Neumann, P., Williams, G.R. 2016. Neonicotinoid pesticides can serve as inadvertent insect contraceptives. Proceedings of the Royal Society B 283: 20160506.
  • Chantawannakul, P., de Guzman, L.I., Li, J., Williams, G.R. 2016. Parasites and pests of honey bees in Asia. Apidologie 47: 301-324.
  • Williams, G.R., Troxler, A., Retschnig, G., Roth, K., Shutler, D., Yañez, O., Neumann, P., Gauthier, L. 2015. Neonicotinoid insecticides severely affect honey bee queens. Scientific Reports 5: 14621.
  • *Retschnig, G., *Williams, G.R., Odemer, R., Boltin, J., Di Poto, C., Mehmann, M.M., Retschnig, P., Winiger, P., Rosenkranz, P., Neumann, P. 2015. Effects, but no interactions, of ubiquitous pesticide and parasite stressors on honey bee (Apis mellifera) lifespan and behavior in a colony environment. Environmental Microbiology 17: 4322-4331. *Equal contributions
  • Williams, G.R., Alaux, C., Costa, C., Csáki, T., Doublet, V., Eisenhardt, D., Fries, I., Kuhn, R., McMahon, D.P., Medrzycki, P., Murray, T.E., Natsopoulou, M.E., Neumann, P., Oliver, R., Paxton, R.J., Pernal, S.F., Shutler, D., Tanner, G., van der Steen, J.J.M., Brodschneider, R. 2013 Standard methods for maintaining adult Apis mellifera in cages under in vitro laboratory conditions. In V. Dietemann., J.D. Ellis., P. Neumann (Eds.) The COLOSS BEEBOOK, Volume I: standard methods for Apis mellifera research. Journal of Apicultural Research 52: paper 4.
  • Williams, G.R., Tarpy, D.R., vanEngelsdorp, D., Chauzat, M.-P., Cox-Foster, D.L., Delaplane, K.S., Neumann, P., Pettis, J.S., Rogers, R.E.L., Shutler, D. 2010. Colony Collapse Disorder in context. BioEssays 32: 845-846.