ASL-DES Staff

Loretta S Roult - Director
Loretta S Roult's Profile Picture
Merrill Learning Center (MLC) 2200
Video Phone: (202) 250-2126
Voice: (866) 552-1587
Fax: (202) 651-5880

  • M.A., New York University, 1987
  • B.S., Gallaudet University, 1986
Visit Loretta Roult's my.gallaudet.edu profile page
Short Biography
Loretta Roult is the Director for ASL Diagnostic and Evaluation Services (ASL-DES) at Gallaudet University. As Director, she provides thorough oversight of the evaluation and assessment services provided by ASL-DES. In addition to being comprehensively involved with all aspects of the services, Ms. Roult serves as the trainer for American Sign Language Proficiency Interview (ASLPI) evaluation. She is working closely and collaboratively with an external research firm on ongoing validity and reliability research studies on the ASLPI. Ms. Roult has served as a team leader and co-chair for ASL Placement Testing, Diagnostic Assessment service, and Classroom Discourse Observation (CDO). With ASL-DES services included in the Faculty Guidelines for the multiple measures evaluation, Ms. Roult works closely with the Faculty Senate, Faculty Welfare Committee, New Faculty Orientation and Office of Bilingual Teaching and Learning to ensure integration, transparency, clarity and efficiency. She is continually pursuing avenues in which ASL-DES services can promote and support bilingualism and improved communication in the classroom. Born to Deaf parents, Ms. Roult was raised and educated in New York City. She holds a Bachelor of Science from Gallaudet University and a Masters degree from New York University received in 1987.

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Marti Edelman Kellner - Business Operations Coordinator
Marti Edelman Kellner's Profile Picture
Merrill Learning Center (MLC) 2200
Video Phone: (202) 250-2394
Voice: (866) 651-5222
Fax: (202) 651-5880

  • Certificate of Interpretation (CI), Registry of Interpreters for the Deaf (RID), 2007
  • B.S., University of Maryland University College, Behavioral Science, 2001
  • Certificate, Bishop State Community College, Interpreter Training Program, 1994
  • Certificate, Florida Atlantic University, Paralegal Studies, 1990
  • Southeast Missouri State University, 1984-1986
Visit Marti E Kellner's my.gallaudet.edu profile page
Short Biography
Marti Edelman Kellner is the Business Operations Coordinator for ASL Diagnostic and Evaluation Services (ASL-DES) at Gallaudet University. Ms. Kellner has been employed at Gallaudet University since 1994. She is also a nationally certified freelance interpreter in the Washington, DC metropolitan area. Born in Baltimore, Maryland, Ms. Kellner spent her formative years in St. Louis, Missouri. She attended Southeast Missouri State University (SEMO) and Florida Atlantic University in Boca Raton where she completed training in Paralegal Studies. While working at a prestigious West Palm Beach law firm, Ms. Kellner began taking evening ASL classes at a local community college and developed a fascination with the language. She later completed an interpreter training program at Bishop State Community College in Mobile, Alabama. After relocating to Washington, D.C., Ms. Kellner completed her Bachelor's degree at the University of Maryland University College (UMUC) and is currently exploring Master's programs.

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Alexis McKenzie - Support Service Specialist
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Merrill Learning Center (MLC) 2200
Video Phone: (202) 846-8100
Voice: (866) 651-5222
Fax: (202) 651-5880

Visit Alexis McKenzie's my.gallaudet.edu profile page
"Do or do not, there is no try."
Yoda, Jedi Master
Short Biography
Coming soon!

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Leticia Arellano - ASL Proficiency Evaluator
Leticia Arellano's Profile Picture
Merrill Learning Center (MLC) 2201
Video Phone: (202) 250-2082
Voice: (866) 208-5989
Fax: (202) 651-5880

  • M.A., Western Maryland College, Deaf Education, 1998
  • B.S., Gallaudet University, American Sign Language Studies, 1994
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"Smiling is quite magical. It transforms a situation. Because as soon as we smile, and we see the other person smile back, it becomes genuine.... There is movement between hearts."
Maticintin, Wisdom Master, HUMUH
Short Biography
Leticia Arellano is an ASL Proficiency Evaluator at ASL Diagnostic and Evaluation Services (ASL-DES) at Gallaudet University. Born to Deaf parents in Cd. Juarez, Mexico and raised in Santa Fe, New Mexico, Ms. Arellano graduated from the New Mexico School for the Deaf and went on to receive her Bachelor's degree in ASL Studies from Gallaudet University in 1994. After earning a Master's degree in Deaf Education from Western Maryland College in 1998, Ms. Arellano worked in deaf schools as a teacher and has traveled nationally and internationally providing workshops on Deaf Culture, ASL, Mexican Sign Language (LSM) and the evaluation and assessment of signed languages.

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Tamer Mahmoud - Technology & Media Developer and Programmer
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Merrill Learning Center (MLC) 2200
Video Phone: (202) 250-2455
Fax: (202) 651-5880

  • B.S., Rochester Institute of Technology, Information Technology, 2007
Visit Tamer Mahmoud's my.gallaudet.edu profile page
"Mens sana in corpore sano"
Satire X
Short Biography
Tamer Mahmoud is the Technology and Media Technician for ASL Diagnostic and Evaluation Services (ASL-DES) at Gallaudet University. Raised in the Great Plains of St. Louis, Missouri, Tamer went on to study Information Technology at the Rochester Institute of Technology and graduated with a Bachelor of Science degree in 2007. The next five years marked a journey as he explored various aspects of his career ranging from working with non-profit organizations, retail stores, and corporate business before finally securing a position at Gallaudet University. He is still studying and learning various programming languages, video managements and editing, and keeping abreast of the latest technology innovations.

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