President
Second Language Testing, Inc. (1994-2011)
Language Learning and Testing Foundation (2004-present)
Director, Foreign Language Education and Testing Division
Director, ERIC Clearinghouse on Languages and Linguistics,
Center for Applied Linguistics, Washington, DC (1986-1994)
Program Administrator, Test of English as a Foreign Language
Educational Testing Service, Princeton, NJ (1981-1986)
Other positions held include: