2018- PIK (Penn Integrates Knowledge) University Professor, Department of Biobehavioral and Health Sciences, School of Nursing & Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania
2011-2017 Professor, Biobehavioral Nursing and Health Systems, School of Nursing & Biomedical and Health Informatics, School of Medicine (joint appointment), University of Washington
2007-2017 Graduate Program Director, Division of Biomedical and Health Informatics, Department of Medical Education and Biomedical Informatics, University of Washington
2007-2017 Director, Clinical Informatics and Patient Centered Technologies (CIPCT) Graduate Program, School of Nursing, University of Washington
2006-2011 Associate Professor, Biobehavioral Nursing and Health Systems, School of Nursing & Biomedical and Health Informatics, School of Medicine (joint appointment), University of Washington
2007-2011 Adjunct Associate Professor, Health and Community Systems, School of Nursing, University of Pittsburgh
2005-2006 Associate Director of the National Library of Medicine (NLM) Biomedical and Health Informatics Training Grant-University of Missouri, Columbia
2003- 2006 Director of the Health Informatics Graduate Program at the University of Missouri, Columbia
2002-2006 Assistant Professor, Department of Health Management and Informatics, University of Missouri-Columbia
2001 Project Manager, ATKOSoft SA. Athens, Greece
2001 Visiting Professor for the National School of Public Health- Athens, Greece
1998-2000 Graduate Research Assistant for the TeleHomeCare Project, University of Minnesota
1998 Graduate Research Assistant for the Telemedicine Center, University of Minnesota
1997-1998 Graduate Teaching Assistant, University of Minnesota
1994-1996 Research Associate, Medical Informatics, University of Freiburg, Germany
1992-1994 Graduate Research Assistant, German Cancer Research Center, Heidelberg, Germany