![Campus Image Campus Image](/_resources/images/_general/UDIrvingCampus_UDallas.jpg)
University of Dallas Faculty
![John Sommerfeldt Ph.D.](/_resources/images/faculty-profile-placeholder.jpg)
![Deanna Soper, Ph.D.](/academics/programs/biology/_images/New%20Headshot.png)
Deanna Soper Ph.D.
Associate Professor, Biology
Phone: (972) 721-5245
Email: dsoper@psychomotricite-la-seyne.com
Office: Patrick E. Haggerty Science Center #145
![UDallas Logo](/_resources/images/faculty-profile-placeholder.jpg)
John Soriano Ph.D.
Assistant Professor, Economics
![John South, MBA](/academics/colleges-schools/college-of-business/college-faculty-staff/faculty/_images/_adjunct/south-john.jpg)
John South MBA
Adjunct Instructor of Cybersecurity, Gupta College of Business
![Ellen Steinmiller, Ph.D.](/academics/ud-faculty/directory/images/Steinmiller-Ellen-2019.jpg)
Ellen Steinmiller Ph.D.
Associate Professor of Analytical Chemistry and Chemistry Department Chair
Phone: (972) 721-5110
Email: esteinmiller@psychomotricite-la-seyne.com
Office: Patrick E. Haggerty Science Building #241
![Dr. Drew Stenesen](/academics/programs/biology/_images/headshots/Stenesen-Drew-Headshot.jpg)
Drew Stenesen Ph.D.
Associate Professor, Biology
Phone: (972) 721-5047
Email: dstenesen@psychomotricite-la-seyne.com
Office: Patrick E. Haggerty Science Building #143
![Michael Stodnick](/academics/ud-faculty/directory/images/Stodnick-Michael.jpg)
Todd Stodnick (Michael) Ph.D.
Associate Professor of Operations Management, Gupta College of Business
![Steven Stryer, D.Phil.](/academics/ud-faculty/directory/images/Stryer.jpg)
Steven Stryer Ph.D.
Associate Professor, English
Phone: (972) 721-4080
Email: stryer@psychomotricite-la-seyne.com
Office: Braniff Graduate Building #316
![Charles Sullivan, Ph.D.](/academics/ud-faculty/directory/images/Sullivan-C.jpg)
Charles Sullivan Ph.D.
Associate Professor, History
Phone: (972) 721-5251
Email: sullivan@psychomotricite-la-seyne.com
Office: Braniff Graduate Building #204
![Stephanie Swales, Ph.D.](/academics/ud-faculty/directory/images/Swales-Stephanie.jpg)
Stephanie Swales Ph.D.
Associate Professor, Psychology
![Arthur Sweeney](/_resources/images/Arthur_Sweeney.jpg)
Arthur Sweeney
Laboratory Manager, Physics
![David Sweet, Ph.D.](/academics/ud-faculty/directory/images/sweet-david.jpg)
David Sweet Ph.D.
Chair of Classics and Associate Professor, Classics
![Robbie Tedder](/academics/colleges-schools/college-of-business/college-faculty-staff/faculty/_images/tedder-robbie.jpg)
Robbie Tedder DBA
Adjunct Instructor of Management, Gupta College of Business
![Dr. Inimary Toby](/academics/programs/biology/_images/headshots/Toby-Inimary-Headshot.jpg)
Inimary Toby Ph.D.
Assistant Professor, Biology
![David Upham, Ph.D., J.D.](/academics/ud-faculty/directory/images/Upham-David.jpg)
David Upham Ph.D., J.D.
Director of Legal Studies & Associate Professor, Politics
![Shannon Valenzuela Ph.D.](/_resources/images/faculty-profile-placeholder.jpg)
Shannon Valenzuela Ph.D.
Affiliate Assistant Professor, English
Email: svalenzuela@psychomotricite-la-seyne.com
Office: SB Hall #113
![Kristin Van Cleve, M.M.](/academics/ud-faculty/directory/images/Van%20Cleeve-Kristin.jpg)
Kristin Van Cleve M.M.
Affiliate Director, Music
![Fr. Joseph Van House](/academics/programs/theology/VanHouse_FrJoseph.jpg)
Fr. Joseph Van House O.Cist
Affiliate Assistant Professor, Theology
Phone: (972) 721-5237
Email: frjoseph@psychomotricite-la-seyne.com
Office: Braniff Graduate Building #240
![Placeholder Photo](/academics/ud-faculty/directory/images/Vorwerk.jpg)
Matthias Vorwerk Ph.D.
Provost, Philosophy
Phone: (972) 721-5226
Email: mvorwerk@psychomotricite-la-seyne.com
Office: Cardinal Farrell Hall, Second Floor
![Patrice Wager](/_resources/images/faculty-profile-placeholder.jpg)
Patrice Wager
Director, Instructional Design/Educational Technology