Lindsey Hiebert, Ph.D., CCC-SLP is an Assistant Professor at Northern Arizona University and Director of the Bilingual Intervention and Language Learning (BILL) lab. She earned a Ph.D. in Communication Sciences and Disorders from the University of Texas at Dallas and completed postdoctoral studies at the University of Delaware. Her research interests include dual language development, disorders, and intervention in bilingual preschool and school-age children, stemming from her extensive clinical work with culturally and linguistically diverse populations. Her publications to date include longitudinal observations of language and reading development in Spanish-English bilingual children across three or more years, and language intervention paired with science curriculum for children with developmental language disorder (DLD). 

Hi! My name is Abby Dubois, and I am a second-year master’s degree student in the Clinical Speech-Language Pathology program at Northern Arizona University. I am interested in research supporting under-researched populations and language disorders. In my free time, I enjoy reading, writing, and spending time with my animals.

I am a second-year graduate student studying Clinical Speech Language Pathology. I joined the lab to expand my knowledge of bilingual language development, and the Spanish language, with the goal of better serving my community as a future Speech-Language Pathologist. A fun fact about myself is the first language I learned was American Sign Language (ASL) through early intervention speech services.

Hi! My name is Isabella Guzman (she/her), and I am a senior graduating in December with a Communication Sciences and Disorders major and Spanish minor. I am currently the vice president for NAU’s chapter of NSSLHA and the recruitment chair for ASL Club at NAU. I joined the lab because I am extremely interested in research about bilingualism and its broader effects on individuals!

Senior, A Bilingual individual with a passion for bilingualism and research! I love photography!

Hi! My name is Raquel Rocha. I am currently in my first year of the Speech-Language Pathology graduate program at Northern Arizona University, which I am really looking forward to. In research, I am interested in designing and developing culturally competent speech and language materials. During my free time, I enjoy cooking or baking new Pinterest-inspired food

I am a second-year graduate student in the Department of Communication Sciences and Disorders at Northern Arizona University. I joined the Bilingual Intervention and Language Learning Lab to gain more experience in working with culturally and linguistically diverse populations and in conducting research, and I enjoy the work I do for the lab. One fun fact about me is that I am a multidisciplinary artist who always creates something in my free time.

My name is Catherine Garrido Retiguin, and I am currently a Junior double majoring in Health Sciences- Fitness Wellness and Spanish with hopes in receiving my DPT in the future and working towards providing interpretation in the healthcare field. Within the BILL lab, I researched Code Switching in Bilingual Child Language and presented it at NAU’s Undergraduate Symposium in Spring of 2024. One of my favorite things to do in my free time is learn recipes and cook for others! 

My name is Juan Alvarado. I graduated in 2024 with my bachelor’s degree in communication sciences and disorders from Northern Arizona University. I am very interested in research behind speech therapy services provided to bilingual individuals, as well as research dealing with swallowing evaluations. In my free time, I enjoy spending time in nature or with my friends and I love traveling.

My name is Summer Rowan. I am currently a first-year graduate student in the Clinical Speech-Language Pathology master’s program at Northern Arizona University. I am interested in bilingual language learning research, specifically the early years of language acquisition. I enjoy fishing for trout at various spots in Flagstaff. 

Hi! My name is Samantha Valenzuela. I am currently a first-year graduate student in the Clinical Speech-Language Pathology Master’s program at Northern Arizona University. As for research, I am open to seeing what captures my interest. I also enjoy hiking, especially here in Flagstaff!

My name is Alexandria Genandt and and currently a senior at Northern Arizona University. I am majoring in Communication Sciences and Disorders, as well as Japanese with a minor in Spanish. I am most interested in language retention and attrition in bilingual children. In addition to my studies and duties at the university, I am an amateur trail runner and enjoy hiking. よろしくお願いします。 

Hello! My name is Guyliliane Kuete, and I am currently completing my final year of undergraduate studies in communication sciences and disorders. Additionally, I am enrolled in my first year of graduate school in the Accelerated BS to MS program in Clinical Speech-Language Pathology at Northern Arizona University. My research interests lie in bilingual language, particularly focusing on the design of bilingual Augmentative and Alternative Communication (AAC) devices. I enjoy painting and other art-related endeavors like crafts.

My name is Ella Guardado. I am currently a senior at Northern Arizona University studying Communication Sciences and Disorders with a minor in Spanish. I am interested in bilingual language research and am really excited to be a part of this team! I enjoy hiking and camping in and around Flagstaff.