Cecil and Ida Green Distinguished Professor of Biological and Mechanical Engineering, Department of Mechanical Engineering, Department of Biological Engineering, Institute for Medical Engineering & Science, Massachusetts Institute of Technology, USA

Assistant Professor Department of Medicine Harvard Medical School

Wilf Family Term Assistant Professor, Department of Bioengineering, University of Pennsylvania, USA

Department of Mechanical Engineering, University of Victoria, Canada

Department of Bioengineering, Northeastern University, USA

Center for Food Safety and Applied Nutrition, US Food and Drug Administration, College Park, Maryland, USA

Interagency Center for the Evaluation of Alternative Toxicological Methods (NICEATM), National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, USA

Program Lead, Research Governance Council, Office of Translational Sciences Center for Drug Evaluation & Research, U.S. Food and Drug Administration

Applied Stem Cell Technologies (AST), University of Twente, Enschede, The Netherlands

National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA

Wake Forest Institute for Regenerative Medicine, USA

Institute of Biomedical Science, Fudan University, Shanghai, China

Chief Language Editor, AME Hong Kong office; United States University Carthage College, Wisconsin, USA (Sept. 2012 to May 2016)

Chief Language Editor, AME Hong Kong office; University of Toronto, Toronto, Canada (Sept. 2004-June 2009)

Editorial Office, Annals of Pancreatic Cancer