· Chair, Department of Bioengineering, University of California, Berkeley2011–2015
· Associate Professor, Department of Bioengineering and Department of Materials Science and Engineering, University of California, Berkeley2000–2003
· Associate Professor, Division of Biological Materials, Dept. of Biomedical Engineering, Northwestern University1995–1999
· Assistant Professor, Dept. of Biomedical Engineering, Northwestern University1990–1995
· Ph.D., Bioengineering, University of Pennsylvania1990–
· Assistant Professor, Division of Biological Materials, Northwestern University1989–1995
· M.Eng., Bioengineering, University of Pennsylvania1985–
· B.Sc., Chemical Engineering, University of Rochester1983–