2018-present Associate Research Professor Pennsylvania State University, Department of Biology
2010-present Founder, Chief Executive Officer & Principal Scientist Wild Nature Institute, an independent science, education & advocacy organization. 2012-2013 Fulbright Fellow, 'Ungulate Population Monitoring in the Tarangire-Manyara Ecosystem'
2002-2010Population Biologist / Quantitative Ecologist PRBO Conservation Science (now Point Blue) Statistical consulting & data analyses in marine ecology.
2003-2010Biological Field Station Manager PRBO Conservation Science (now Point Blue) Project management, in charge of research & operations on 120-acre island wildlife refuge.
2008 & 2009Hawaiian Monk Seal Field Biologist NOAA- Protected Species Division Small boat operations for population assessment of Hawaiian monk seals at remote field station.
2007Consulting Population Biologist ACAP Waved Albatross Action Plan Expert opinion regarding population status and trends for a multi-national Action Plan.
2006-2007Co-Principal Investigator, “California Spotted Owl Habitat Use in a Post-Fire Landscape” The Institute for Bird Populations Project management, study design, logistics, fieldwork & data analysis in wildlife fire ecology.
2001-2002Data Analyst / Project Manager University of California Cooperative Extension Study design & project management for two research projects in California oak woodlands. Data analysis for 9 years of small mammal capture-recapture data.
2000-2001Graduate Student Assistant Waterfowl Ecology Research Group Study design, project management & data analysis for Black Brant migration ecology
1999-2000Statistical Consultant Humboldt Del Norte Foundation for Medical Care Statistical analyses of patient & physician data.
1999 Research Assistant Mexican Spotted Owl Project Fieldwork on demographic study of Mexican Spotted Owls.
D. E.Lee, E.Fienieg, C.Van Oosterhout, Z.Muller, M.Strauss, K. D.Carter, C. P. J.Scheijen, F.Deacon. 2019. "Giraffe Translocation Population Viability Analysis." Endangered Species Research DOI:10.3354/esr01022