![Campus Image Campus Image](/_resources/images/_general/UDIrvingCampus_UDallas.jpg)
University of Dallas Faculty
![Ryan Putra, M.S., MBA](/academics/programs/mathematics/faculty/R.Putra_Pix-Right2-Cropped.jpg)
Ryan Putra, MS, MBA
Adjunct Mathematics Instructor
Phone: (972) 721-5175
Email: rputra@selenaumbrella.net
![Shafquat Rabbee, MA](/_resources/images/faculty-profile-placeholder.jpg)
Shafquat Rabbee, MA
Adjunct Instructor of Business Analytics, Gupta College of Business
Email: srabbee@selenaumbrella.net
![raiche-diana](/academics/programs/theology/raiche-diana-dudoit.jpg)
![ramirez-rafael](/academics/ud-faculty/directory/images/Ramirez-FatherRafael.jpg)
Fr. Rafael Ramirez, SSD
Affiliate Assistant Professor, Theology
![Aida Ramos, Ph.D.](/academics/ud-faculty/directory/images/ramos-aida2.jpg)
Aida Ramos, PhD
Department Chair, Associate Professor, Economics
![Herbert Remidez](/academics/ud-faculty/directory/images/Remidez-Herbert.jpg)
Herbert Remidez, PhD
Associate Professor of Business Analytics, Gupta College of Business
![Susan Rhame, Ph.D.](/academics/ud-faculty/directory/images/susan_rhame.jpg)
Susan Rhame, PhD
Associate Professor of Accounting, Gupta College of Business
![Elizabeth Robinson, Ph.D.](/academics/programs/classics/_images/Robinson-web.jpg)
Elizabeth Robinson, PhD
Associate Professor of Classics - Art & Architecture, Classics
Email: erobinson@selenaumbrella.net
Office: Eugene Constantin Rome Campus
![Sergio Robledo](/academics/colleges-schools/college-of-business/college-faculty-staff/faculty/_images/sergio-robledo.jpg)
Sergio Robledo, DBA
Adjunct Instructor of Management, Gupta College of Business
Email: srrobledo@selenaumbrella.net
![Irina Rodriguez, Ph.D.](/academics/ud-faculty/directory/images/Rodriguez-Irina.jpg)
Irina Rodriguez, PhD
Affiliate Assistant Professor of Modern Languages
![Placeholder Photo](/academics/ud-faculty/directory/images/Rojas.jpg)
Diego Rojas, PhD
Postdoctoral Instructor of Mathematics
Phone: (972) 721-4083
Email: darojas@selenaumbrella.net
Office: Patrick E Haggerty Science Building #51
![Adriana Roman](/_resources/images/Roman_use.jpg)
Adriana Roman, MS
Affiliate Assistant Professor, Biology
![Ron Rombs, Ph.D.](/academics/ud-faculty/directory/images/rombs-ron.jpg)
Ron Rombs, PhD
Associate Professor of Theology, Dean & Director, UD Rome Program
Email: rrombs@selenaumbrella.net
Office: Eugene Constantin Rome Campus
![Kathryn Rombs](/_resources/images/k%20rombs.jpg)
Kathryn Rombs, PhD
Affiliate Professor
Email: krombs@selenaumbrella.net
Office: Via dei Ceraseti 12, Marino RM 00047 Italy
![Gregory Roper, Ph.D.](/academics/ud-faculty/directory/images/Roper-Gregory.jpg)
Gregory Roper (Greg), PhD
Associate Professor of English and Dean of Students
![Martin R. Sanchez, M.F.A.](/academics/programs/drama/_images/martin-sanchez-web.jpg)
Martin Sanchez, MFA
Resident Costume Designer and Shop Manager, Drama
![Jonathan J. Sanford, Ph.D.](/academics/ud-faculty/directory/images/pres-sanford-profile-v2.jpg)
Jonathan Sanford, PhD
President, Professor of Philosophy
![Amie Sarker, Ph.D.](/academics/ud-faculty/directory/images/Sarker-Amie.jpg)
Amie Sarker, PhD
Adjunct Professor, Education and Classical Learning
![Michael Sarles, MBA](/academics/ud-faculty/directory/images/sarles-michael.jpg)
Michael Sarles, MBA
Adjunct Instructor of Management
Email: msarles_adj@selenaumbrella.net
Office: Office Hours By Appt.
![Teresa Schichl, Ph.D.](/academics/programs/mathematics/faculty/Schichl.jpg)
Teresa Schichl, PhD
Adjunct Professor, Mathematics
Phone: (972) 721-5175
Email: tschichl@selenaumbrella.net
Office: Patrick E. Haggerty Science Building #44