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Kelly Diaz
Kelly  is the Lead Coordinator of the Language Center.  She has worked at COS since 2007. She graduated San Diego State University (SDSU) with Bachelor’s and Master’s degrees in developmental psychology. At SDSU she was involved in various research projects focusing on language development/acquisition and the implementation of support programs in local San Diego communities. As the Senior Instructional Specialist, Lead Coordinator in the Language Center at COS, Kelly is responsible for ensuring that students in the ESL and developmental English programs receive quality support services while they are taking classes in the LC.  She feels fortunate to be working with students from local communities and from around the world.
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Adriana Bustamante
Adriana  Bustamante is an Instructional Specialist at the Language Center. She is from Peru and came to United States with her family 8 years ago. She studied Business Administration at the University of Lima. She has been an ESL student at the College of the Sequoias, and she knows that learning a new language involves a lot of hard work and practice. She likes to work with students and she is always willing to help them. “Working at the Language Center has been a great experience for me not only because my coworkers are great people but also because it feels great to support our students’ success in their learning process” – Adriana

 ​​Lupe Medina, Sr. Instructional Specialist, evening program​  Lupe Medina graduated from the University of Nuevo Leon, Mexico School of Medicine as a Clinical Laboratory Biologist. She is a Mexican Immigrant, mother of four college graduates, and a happy grandmother. Attending ESL classes at College of the Sequoias years ago assisted Lupe in getting hired in the Language Center as an Instructional Specialist for the evening program. She has worked at College of the Sequoias for almost thirteen years and has seen many positive changes in the department that benefit the ESL program and the students. Lupe has had the opportunity to know many extraordinary, wonderful, respectful, dedicated students from all over the world who have brought to our ESL program a unique type of work atmosphere. Every semester those students leave a mark on Lupe’s heart. Her most gratifying moments are when she sees the success of the students, not only those who pursue higher educational goals, but all those who have improved themselves and their lives. She is thankful for all the ESL instructors past and present who have been instrumental in her development as an Instructional Specialist in College of Sequoias’ Language Center.​


Nidia Hernandez, Student Tutor
Nidia Hernandez is from a small town 30 minutes from Visalia. She attended a small high school that experienced low graduation rates until a program from UC Merced helped to increase the graduation rate. Nidia graduated from high school in 2011 in a class of close to 300 students. Nidia has been at College of the Sequoias since fall 2011 and has been working at the Language Center for a year.  She is working towards becoming a Registered Nurse.  Her responsibilities include assisting second-language learners across four levels of courses.  Nidia enjoys working at the Language Center because she loves helping people and gains satisfaction from supporting her students as they achieve their educational goals. Nidia displays great patience when working with students. She capitalizes on her experience of growing up bilingual to assist second language learners. ​

Jay Kwiecinski, Student Tutor ​
Jay Kwiecinski is a full time COS student, and he works in the Language Center part time. Jay graduated from high school in 2015 and just began working in the Language Center this year. His responsibilities include assisting non-native speakers with written and spoken English. He is currently working towards earning his associates degree in Spanish. The diversity found within the COS Language Center is an absolute treasure for Jay. He hopes he can help everybody improve not only their English but also their day. ​​

Last Updated: 11/3/2015 1:04 PM