I am a researcher and educator working in environmental science and engineering, focused on pollution prevention and resource recovery. My academic training is in agricultural and biological engineering (PhD 2007, Cornell University, Ithaca, NY) and ecology/biology (MSc 2003, SUNY ESF, Syracuse, NY). I am an honorary associate professor in the Department of Engineering at Aarhus University (Denmark), where I taught and led a research group until mid-2019. Hafner Consulting LLC (Virginia, USA) is the company I started in 2012 to provide consulting services.

Areas of work

  • Anaerobic digestion (biogas production)

  • Agricultural air pollution

  • Wastewater treatment

  • Heat and mass transfer

  • Environmental chemistry

  • Data analysis

  • Mathematical modeling

  • Laboratory method development

You can find examples of my work on the publications , software, and projects pages.