1994   Ph.D. in Applied Linguistics, Northern Arizona University, Flagstaff, Arizona. 
Dissertation: Variation in elementary student language: A multi-dimensional

1990   Master of Arts in Bilingual Multicultural Education, with Post?degree certification in Elementary Education (K -8), Northern Arizona University, Flagstaff, Arizona.

1989 Arizona State Certification in Elementary Education (K?8) with an ESL endorsement and Adult ESL Education, Arizona Department of Education. 

1981  21 Hours Post Degree work in Anthropology, University of Wyoming, Laramie,
Wyoming .

1977   Bachelor of Arts in Geology, James Madison University, Harrisonburg, Virginia.


pres/1997  Professor of Applied Linguistics, (Assistant 1997- 2003; Associate 2003-08) English Department Northern Arizona University, Flagstaff AZ.

2010  Visiting Professor, King Mongkut’s University of Technology Thonburi (KMUTT)
Bangkok, Thailand (Nov 22 – Dec 3).

2008/1997  Director, Program in Intensive English, Northern Arizona University.

2003  Visiting Professor, Linguistic Society of America Summer Institute
at Michigan State University.

1997/1990   Instructor (1990 - 93) & Adjunct assistant professor (1994-97).
Northern Arizona University.

1997/1990   Director of Special Language Programs (Co-director 1990 - 1993) and
Budget Manager, International Office, Northern Arizona University. 

1990/1988  Program Coordinator and Lead Teacher, Amnesty Program and Yavapai
Community College.