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Paul Gatto

Assistant Director

National Center for Interpretation

University of Arizona

Jeffrey A. Cornish

Executive Director

Int'l. Rescue Committee

Tucson, AZ

Marie Ashley Villard

Project Manager -

Research Assistant

TeleSage Inc.

Irene Radillo-Diaz has worked for the National Center for Interpretation since 2008 teaching professional level healthcare interpreting and developing curriculum and materials. We have also hired her to translate complex medical documents. Her work both on our faculty and as a translator, has been consistently exceptional. When we have healthcare instructional needs, Irene is without question among the first experts I call - I would rank her among the best interpreter trainers in the country. I recommend her in the strongest terms and without hesitation.

“It was a pleasure to work with Utter Linguistics during our inaugural Trans*Studies Conference at the University of Arizona, September 7-10, 2016. Their simultaneous English-Spanish interpretation services made our conference accessible to attendees who would have otherwise been left out of the conversations. I will continue to use Utter Linguistics for all of our interpretation needs.”

Kristen Nelson

Program Coordinator, UA Institute for LGBT Studies

Erin E. Turner, PhD

Marcy B. Wood, PhD

Marta Civil, PhD

PME-NA 38 Conference Co-Chairs

(Psychology of Mathematics Education-North America)

Nov 3-6, 2016

We would like to extend our sincerest gratitude for the professional, high-quality translation and interpretation services provided by Utter Linguistics LLC during our recent annual conference. [...] In sum, we were highly satisfied with the services offered by Utter Linguistics and would not hesitate to hire or recommend the Utter Linguistics team in the future. 

Click below for the full letter with feedback from conference organizers and attendees.

"Irene did a fantastic job: Five Stars!. The translated document looked exactly the same but in English. She worked very fast and she is very professional and friendly. I am definitely using her services again. Thank you!" -- Silvia F. (April 2016)

Vladimir Chetochine

Deputy, Head of Planning and Technology

International Researcher (Italy)

Francesca Samuel


Arizona Translators & Interpreters, Inc.

A la Carte Translations

Irene Radillo's presentation during the Arizona Translators and Interpreters Summer Workshop was one of the high points of the forum. She has in-depth knowledge of the medical interpreting industry but was able to include cultural components perhaps unknown or forgotten to many in the profession. She is absolutely creative and has a wonderful delivery. She is able to engage her audience effectively and productively. Superb!!!

Irene has taught many times for me as a Medical Interpreter Trainer.  In each training, not only has she demonstrated a very high level of understanding of pedagogical methods, but has also illustrated her comprehensive knowledge of interpreting. She has always received high notes from students and is always asked to teach again wherever she goes. I would highly recommend her to any other service provider both as an interpreter and as a teacher.

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