· Professor, City University of New York-Herbert H. Lehman College2010–
· Professor, University of Puerto Rico-Mayaguez1994–2010
· Post Doctoral Fellow, Computational Physical Chemistry, University of Rhode Island1992–1993
· Doctor of Philosophy - PhD, Physical Chemistry, University of Massachusetts Amherst1986–1992
· Bachelor of Science - BS, Chemistry, University of Puerto Rico, Humacao1978–1982
· Computational Physical Chemist, The City University of New York