2002-2006: Post Doctoral Research Associate, Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, USA
2006-2010: Assistant Professor, Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, USA
2010-2013: Associate Professor, Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, USA
2013-present: Professor, Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, USA (20%)
2013-present: Professor, The Roslin Institute, University of Edinburgh, UK (80%)

Current Research Interests
Infectious disease models; Intervention strategies; Pathology; Veterinary diagnostics; Pigs.

Research Interests
Infectious disease investigations in pigs including porcine circovirus type 2 (PCV2), porcine reproductive and respiraotry syndrome virus (PRRSV), swine hepatitis E virus (HEV), porcine astrovirus (PAstV), emerging porcine parvovirus (PPV), and Erysipelothrix rhusiopathiae.