Conferences

"Is English changing status in Namibia? – Some findings from a survey on language attitudes and use." in collaboration with Sarah Buschfreld. 
December 2012, World Englishes 2012, 18th Conference of the International Association of World Englishes (IAWE), Hong Kong & Guangzhou, PRC.

"English in Germany: Retreating exonormative orientation and incipient nativization?" 
December 2012, World Englishes 2012, 18th Conference of the International Association of World Englishes (IAWE), Hong Kong & Guangzhou, PRC. 

"Earlier African American English. Methods of Reconstructing a Historical Variety." 
June 2012, Guest lecture Ludwig-Maximilians-Universität München (Prof. Dr. Stephanie Hackert).

"Similarity, Markedness or lack of Awareness? Inconsistencies of German learners in the pronunciation of LOT, THOUGHT, STRUT, PALM and BATH"
December 2011, 5th International Conference on Native and Non-native Accents of English (Accents 2011, Łódź, Poland)

"Joint session on English Pronunciation Teaching in Europe Survey"
December 2011, 5th International Conference on Native and Non-native Accents of English (Accents 2011, Łódź, Poland); in collaboration wtih Alice Henderson & Dan Frost, Una Cunningham, Anastazija Kirkova-Naskova, David Levey, Elina Tergujef, Ewa Waniek-Klimczak

"Rhoticity in German Learners of English"
July 2010, World Englishes 2010, 16th Conference of the International Association of World Englishes (IAWE), Vancouver, Canada

"The Pronunciation of English and German Vowels by German English Students from the Universities of Cologne and Regensburg"
June 2010, Guest Lecture in the Lecture Series "Bilingualität zwischen Theorie und Praxis" (Initiative for Bilingual Studies, University of Cologne)

"German and English vowel spaces in German Learners of English"
December 2009, Accents 2009, Łódź, Poland

"The pronunciation of English by German university students"
December 2008, World Englishes 2008, 14th Conference of the International Association of World Englishes (IAWE), Hong Kong

"Reconstructing the history of earlier African American English"
January 2007, Guest Lecture, University of Zurich (Prof. Dr. Daniel Schreier)

"Combining early sources: A new approach to the historical study of African American English"
September 2001, Anglistentag 2001, Vienna, Austria

"The changing shape of English: Non-finite verb forms"
May 2001, ICAME 2001, Louvain-la-Neuve, Belgium

"The Historical Evolution of African American English: Copula usage in Early Sources"
December 2000, Dissertation Award Presentation, Bavarian America Academy, Munich, Germany)

"That's sumpen I aint never paid any 'tention to: Negative auxiliary variation in Earlier African American English"
October 1999, New Ways of Analyzing Variation in English (NWAVE 28), Toronto, Canada

"Liberian letters and Virginian narratives: Negation patterns in two new sources of earlier AAVE"
October 1998, New Ways of Analyzing Variation in English (NWAVE 27), Athens, GA, USA

"Differential creolization: Some evidence from Earlier African American Vernacular English in South Carolina." (with Edgar W. Schneider)
June 1998, International Symposium: Degrees of Restructuring in Creole Languages, Regensburg, Germany