Job History

• Professor of Mathematics, Weber State University, 1970-79
• Professor of Mathematics, UMass Dartmouth, 1979-present
• Mathematics Dept. Chair, UMass Dartmouth, 1983-84
• Visiting Professor, Computer Science Dept., Royal Institute of Technology, (KTH), Stockholm, Sweden, 1986
• Visiting Scholar at the Institute for Scientific Computing, Swiss Federal Institute of Technology (ETH), Zurich, Fall 1992 and Fall 1999
• Visiting Scholar in Scientific Computing and Computational Mathematics, Stanford University, 1977-78 and Spring 1993
• Visiting Professor, Mathematics Department, University of California San Diego, 
  Winter & Spring quarters 2000
• Chancellor Professor, UMass Dartmouth, 1996-present