President of VDI ( Verein Deutscher Ingenieure,Germany)

Time of appointment: 2002-2008

Vice president of Liberty Mutual Insurance Group

Time of appointment: 2003-2006

Honorary professor, Manufacturing Engineering and Engineering Management, City University of Hong Kong

Member of Australian Academy of Sciences and Australian Academy of Engineering

Time of appointment: 2002-2005

Former President of International Ergonomics Association

Time of appointment: 2006-2009

Member of the US National Academy of Engineering

Professor, MIT (the Massachusetts Institute of Technology)

Time of appointment: 2008-2011

Former Head of the Department of Industrial Engineering, Dean of College of Sciences, The University of Texas-Pan American

Special Assistant to the President of Foxconn Technology Group

Time of appointment: 2004-2012

Member of the US National Academy of Engineering

President of the College of Engineering, University of Tennessee

Time of appointment: 2008-2011

Member of the US National Academy of Engineering

Professor, Georgia Institute of Technology

Time of appointment: 2008-2016