Ph.D Students & Post-Doctoral Scholar Supervision 

Post-doctoral Scholars Sponsored

Dr. David Johnson                  Current position: Teaching professor at the University of Kansas, University of Kansas (PhD, 2013), 02/2014 – 06/2016   

Dr. Foez Chowdhury              Current position: Senior Engineer at Aptiv, Gobal Technology Company, University of Quebec, Canada (PhD 2012), 01/ 2013 – 07/2013

PhD Dissertation Chair

Yuna Bae (PhD, expected, 2027)

Holly Wheeler (PhD., expected, 2026)

Anne Stoughton (PhD, expected, 2026), Dissertation title: “The Impact of an AI-based, self-monitoring approach on suprasegmental production within job-related speech”.

Vito Miao (PhD, expected, 2025). Dissertation title “Investigating the effect of social psychology and Global Englishes interventions on listener perception and comprehension of Global Englishes varieties”.

Kevin Hirschi (PhD,  2024). Assistant professor at the University of Texas-San Antonio. Dissertation title “Mobile-assisted pronunciation training for intelligibility, comprehensibility, and pragmatically appropriate prosody”. 

Maria Kotromitina (PhD., 2023). Research communication specialist, Duolingo.  Dissertation title “ The effect of web-based pragma-prosodic instruction and aptitude on learner pragmatic development“. 

Kate Yaw (PhD,  2022). Assistant professor at the University of South Florida, FL. Dissertation title “Impact of accent familiarity training on listener processing of accented speech”. 

Mohammareza Dalman (PhD, 2022). Assistant professor at Winona State University, MN. Dissertation title: “The effects of intelligibility-based instruction on the development of intelligibility and comprehensibility in English as a second language learners”.

Mark McAndrew (PhD, 2020). Assistant professor at Western Kentucky university. KY. Dissertation title: “Prosody instruction for ESL listening comprehension“. 

Alyssa Kermad (PhD, 2018).  Assistant professor at California State Polytechnic University, Pomona, CA. Dissertation title “Individual learner factors and pronunciation performance:  Novice and trained rater judgments of pronunciation dimensions“

Romy Ghanam (PhD. 2017). Assistant Professor at Northern Arizona University (2021-2023); Assistant Professor at the Univ. of Memphis (2018-2021); Senior Research Director, Columbia University, NY (present). Dissertation title: “Nonnative speakers’ use of linguistic features with different interlocutors“.

 

PhD Dissertation Co-Chair

Ben Brown (PhD,  2023), Assistant Teaching Professor, Northern Arizona University, AZ.  Dissertation title “The Effect of Self-perception and Speaking Tasks on Heritage Spanish Speakers’ Production of Rhythm, Lexical Stress and Speech Rate“. 

Garret Larson (PhD, 2020), Educational specialist at Cambly. Dissertation title “Paired-speaking tasks: The planning phase, collaboration, and task performance“.

Valeria Bogorevich (PhD., 2018), Assistant professor at California State Polytechnic University, Pomona. Dissertation title “How to Avoid Unfairness: Rater Unfamiliarity with Accents as a Source of Bias“.

Meghan Moran (PhD., 2016); Interim Composition Director/Associate Teaching Professor, at Northern Arizona University, AZ.  Dissertation title “Arizona Teachers’ Speech:  Linguistic Features and Listener Perceptions“. 

Linxiao Wang (PhD., 2015); Assistant Professor, The Hong Kong University of Science and Technology, Guangzhou, China. “The Effects of Task Type on Interaction Features in Paired Speaking Tasks: The Development of Rating Scales to Assess Interaction“. 

 

PhD Dissertation Committee at NAU

Sungeun choi (PhD, expected, 2026)

Pajanit Chaipuapae (PhD.,  2019)

Maria Nelly Gutierres Arvizu (PhD. 2017), Professor at the University of Sonora, Mexico. 

Tingting Kang (PhD., 2016)

Sumi Han (PhD., 2015), Associate Professor, Hallym University, Chuncheon, South Korea

Yuan Zhuang  (PhD., 2015)

Shelley Staples (PhD. 2014), Associate Professor at the University of Arizona 

Dongmei Cheng (PhD., 2013), Assistant Professor at Texas A&M University-Commerce

Sawako Matsugu (PhD., 2013), Assistant Professor in Japan

Chomraj Patanasorn (PhD., 2010), Assistant Professor in Thailand 

PhD Dissertation Committee at Other Institutions 

Tania Ferronato (PhD, University of South Florida, expected, 2026)

Jorge Ramos De Jesus (PhD, Georgetown University, expected, 2025)

Rothanne Hugh (PhD., University of South Carolina,  2023)

Meichan  Huang (PhD., Texas A&M University-Commerce,  2020), 

Xun Yan (PhD., Purdue University, 2015), Associate Professor at UIUC

External Examiner for Other PhD Dissertations

Katya Petrova (PhD, University College London, England, 2024)

Rajeshwari G (PhD., ANNA UNIVERSITY, India, 2020)

Marty Pilott (PhD., Victoria University of Wellington, New Zealand, 2016)

 

Teaching/Courses Taught 

Courses Taught (Undergraduate)

ENG 220: English Grammar and Usage (large class)

ENG 308: Introduction to Linguistics (large class)

ENG 420C: World Englishes

ENG 420C: Language and Speech

ENG 485: Undergraduate Internships in Applied Linguistics

Courses Taught (MA)

ENG 504: Introduction to Linguistics

ENG 506: Introduction to American Language and Thought

ENG 538: Cross-cultural Aspects of  Language Learning

ENG 548: Fundamentals of Second Language Teaching

ENG 558: ESL Listening and Speaking

ENG 638: Assessment for Second Language Skills

ENG 668: Research Methods in Applied Linguistics

ENG 688: Practicum

ENG 587/687/787: Professional Development Seminar

  

Courses Taught (PhD)

ENG 702: Applied Phonology

ENG 703: Research Issues in English Language Teaching: Pronunciation

ENG 703: Speech Perception

ENG 705: Speech Production

ENG 705: Research on Speaking