Staff | Center for English as a Second Language | SIU

Bill Hellriegel has a BA in Philosophy and an MA in TESOL, both from the University of Arizona. He has worked in the field of language education for more than 30 years, in both teaching and administrative capacities, and has experience in both the public and the private sectors. Bill spent the first two years of his career working in Spain and then six years in Japan. After returning to the U.S, he spent 11 years at the University of California and 12 years at the University of Minnesota, before coming to SIU. He has published and presented extensively. Bill is proficient in Spanish and in Japanese, and he also has some proficiency in German. His professional interests include language school marketing and effective leadership. Bill loves spending time with his family, exercising, reading, and traveling. He became CESL's Director in January 2017.

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Lilia Angel-Post has a BS in Architecture and an MA in TESOL, both from SIU. Lili joined the CESL team in Fall 2014. Since then, she has had the opportunity to help CESL students in many different capacities, such as admissions officer, academic adviser, immigration specialist, substitute teacher, and, most recently, Assistant Director. Lili also helps with CESL recruitment as a representative on recruiting trips and she represents CESL in professional workshops, as a speaker or as a learner. Lili also serves as the adviser for the Latin American Students Association and the AP representative for the Hispanic/Latino Staff & Faculty Council. In her free time, Lili loves to go for hikes in the Shawnee Forest with her husband and daughter.

Rhonda Radford joined CESL’s Accounting Staff in April 2018. Rhonda earned her Associate degrees in Accounting and Computer Science from John A. Logan College in 1993. After graduation, she began her accounting career at Crab Orchard Golf Club and worked for 15 years as their office manager. She became a part of Southern Illinois University in July 2006 after her two children Jamie and Jimmie graduated from high school and went on to College and the military. In 2012, Rhonda earned her bachelor’s degree at SIU in Information Systems specializing in computer programming. Rhonda has recently completed her master’s in business administration (MBA), graduating cum laude, but her true work passion is accounting.

Mohammad Dilkash Jameel (DJ) joined CESL in the Spring of 2024. DJ is a student from India who came to the USA in Spring 2023 to pursue a graduate degree in Pharmacy. DJ worked for the Pharmaceutical Industry in India as a Territory Manager for 6 years before joining SIU. He is fluent in English, Hindi, Telugu, and Urdu. He is very enthusiastic to learn about different people and their cultures during his time at CESL. He enjoys playing cricket during his free time.

Caroll Buitrago-Long joined CESL in Fall 2023. Caroll has a BA in Foreign Languages and Literature from Universidad de los Andes in Bogota, Colombia, and her master’s degree in Spanish and Literature from SIUC. She has been a foreign language teacher for more than 20 years and has combined this with her passion for nature and travel. She has led groups of all ages in outdoor education programs in Costa Rica, Colombia, the United States, and Sweden. She has also led English, French, and Spanish immersion programs in Southern Illinois. In addition, she offers a Latin Rhythms dance class at the SIU Rec Center since 2008. Caroll enjoys homeschooling her two kids, traveling, dancing, reading, singing karaoke, hiking, and bringing people together.