| Summer of 2016 & 2017 | Tamkang University, Tamsui District, Taiwan (R.O.C) - Visiting Professor, School of Foreign Languages and Literatures, Department of English |
| 2007 – 2013 | Indiana University Bloomington, IN - Assistant Professor, Department of Literacy, Culture, and
Language Education (LCLE), School of Education |
| 2003 – 2007 | Princeton University, Princeton, NJ - Lecturer in Spanish, Department of Spanish and Portuguese Languages and Cultures |
| 2002 – 2003 | Canisius College, Buffalo, NY - Adjunct Assistant Professor of Spanish, Department of Modern Languages |
| 1999 – 2001 | University of Michigan, Ann Arbor, MI - Lecturer in Quechua and Spanish. Joint appointment in Latin American and Caribbean Studies, and Department of Romance Languages and Literatures. |
| University of Michigan, Ann Arbor, MI - Lecturer in Spanish (Summers 2000 and 2001). Summer Language Institute. |
| 1997 – 1999 | International Literacy Institute/UNESCO/University of Pennsylvania, Philadelphia - Project Specialist, literacy issues in Latin America and the Caribbean (Feb. – Aug. 1999). |
| International Literacy Institute/UNESCO/University of Pennsylvania, Philadelphia
- Research Assistant (Jun. 1997 – Jan. 1999). Also served as International Literacy Institute representative in Ecuador and Peru, Jul. – Aug. 1997 |
| 1995 – 1999 | University of Pennsylvania, Philadelphia - Spanish Instructor, Penn Language Center/The Wharton Business School (July – August 1999). Intensive summer semester class for MBA students. |
| University of Pennsylvania, Philadelphia - Spanish Tutor, Advanced Language and Cultural Perspective Program, Joseph H. Lauder Institute of Management and International Studies (1997 – 1998). |
| University of Pennsylvania, Philadelphia - Graduate Teaching Assistant, Graduate School of Education. For Dr. Nancy H. Hornberger (Sept. – Dec. 1998), Sociolinguistics in Education. |
| University of Pennsylvania, Philadelphia - Graduate Research Assistant, Graduate School of Education. For Dr. Rebecca Freeman (Jan. – Dec. 1997). |
| University of Pennsylvania, Philadelphia - Graduate Research Assistant, Graduate School of Education. For Dr. Nancy H. Hornberger (Sept. 1995 – Dec. 1996; Jan. 1998 – May 1999). |
| 1997 | Cigna Health Care of Pennsylvania, Philadelphia. - Private Tutor |
| Summer 1996 | Pitzer College of the Claremont Colleges, Claremont, CA. - Spanish Instructor, Pitzer College of the Claremont Colleges, Claremont, CA. Summer Institute of Languages and Cultures (SILC). |
| 1993 – 1995 | The Ohio State University, Columbus - Resident Director, Summer Quarter 1995. Office of International Education. Study Abroad Program, Cuernavaca, Mexico. |
| The Ohio State University, Columbus - Graduate Teaching Assistant, Department of Spanish and Portuguese (Sept. 1993 – Jun. 1995). |
| The Ohio State University, Columbus - Graduate Research Assistant, Department of Spanish and Portuguese. For Dr. Maureen Ahern (Sept. – Dec. 1994). |
| The Ohio State University, Columbus - Field Researcher, Department of Linguistics (Jul. – Sept. 1994). Collected and recorded linguistic data on Huanca Quechua in the central Andean region of Peru. |
| The Ohio State University, Columbus - Graduate Research Assistant and Quechua Language Consultant, Department of Linguistics. For Dr. Robert Levine and Jennifer J. Venditti (Jan. – Dec. 1994). |
| 1991 – 1993 | Universidad Nacional Agraria La Molina, Lima, Peru. - Administrative Coordinator, The Language Center; Quechua and English Language Instructor, Departamento de Ciencias Humanas, Universidad Nacional Agraria La Molina, Lima, Peru. |
| 1990 – 1991 | Department of Multilingualism and Language Contact, University of Hamburg, Germany - Field Researcher for Dr. Utta von Gleich, Professor of Linguistics and Language Contact, Department of Multilingualism and Language Contact, University of Hamburg, Germany. Collected data on Chanca-Quechua, interviewed Quechua speakers, translated and transcribed data. |
| 1990 | Instituto Pedagógico Bilingüe de Yarinacocha, Pucallpa, Peru. - Instructor, Spanish as a Second Language, Instituto Pedagógico Bilingüe de Yarinacocha, Pucallpa, Peru. |
| 1989-1990 | Ministerio de Educación, Lima, Peru - Research Assistant, Quechua Consultant and Translator. Ministerio de Educación, Lima, Peru. Dirección General de Educación Bilingüe. |
| 1989-1990 | Copy Editor, Grammatical Consultant for Hacia una estandarización de vocablos quechuas en matemáticas by Martha Villavicencio. Also contributed information for the Huanca Quechua portions of the book. |
| 1987 – 1989 | Instituto de Cultura Andina, Lima, Peru - Quechua Textbooks Developer, Universidad Femenina del Sagrado Corazón (UNIFE). Instituto de Cultura Andina, Lima, Peru. |
| 1987 – 1989 | Instituto Nacional de Investigación y Desarrollo de la Educación (INIDE) - Research Assistant, Quechua Language Consultant, Instituto Nacional de Investigación y Desarrollo de la Educación (INIDE), Peru–BIRF (World Bank) Project. Assisted with a project on bilingual education in monolingual and bilingual Quechua rural communities of the Peruvian Andes. |
| 1987 – 1989 | Pontificia Universidad Católica, Lima, Peru - Field Research Assistant and Copy Editor for Dr. Rodolfo Cerrón-Palomino, Pontificia Universidad Católica, Lima, Peru. Collected and recorded Quechua linguistic data from the Mantaro Valley in the Peruvian Andes. Transcribed, translated and contributed original data and copy-edited several book manuscripts. |