1.                  Germanic Society of Forensic Linguistics (President)

 2.                  American Name Society (President)

 3.                  International Association of Forensic Linguistics

 4.                  International Association for Correctional and Forensic Psychology

 5.                  Modern Language Association

 6.                  Linguistic Society of America

 7.                  Committee on Ethnic Diversity in Linguistics (Chair)

 8.                  Center for Multilingualism in University of Cologne

 9.                  International Society for Multilingualism

10.                National Association of African American Studies

11.                Council of Editors of Learned Journals