iFLT 2021 Language Lab Teachers

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Justin Slocum Bailey


Justin is crazy about helping teachers and learners succeed with less stress and more joy. A veteran language and music teacher, he operates Indwelling Language, a treasure trove of resources and low-prep practices for joyful language education, while consulting for schools, districts, universities, publishers, and non-profits worldwide. Justin was raised in Vienna, Austria, but now lives in Michigan, where he thrives on finger-style guitar, jujutsu, and Detroit Tigers baseball.

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Bertha Delgadillo

Heritage Spanish

Bertha Delgadillo is a high school Spanish teacher at Woodville Tompkins Technical and Career High School in Savannah, GA. Over the past six years, she has taught all levels of high school Spanish (Spanish I – AP Spanish Language).  Bertha is passionate about acquisition driven instruction as it has drastically changed her teaching practices in the last three years and counting. In the spring of 2019, she received one of fifteen LifeChanger Awards and was named the World Language Educator of the Month of May in the state of Georgia. During her spare time, she enjoys family time, traveling, latin dance, reading, and vegan cooking. She lives with her husband, 13 year old son Manny, and a Chihuahua named Patrón.  You can connect with her via Twitter @profedelgadillo, Instagram and Facebook as @profesoradelgadillo, and via her web page www.profesoradelgadillo.com . She loves sharing ideas via social media and connecting with others to collaborate.
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Jason Fritze

Elementary Spanish

Jason Fritze has over 20 years of teaching experience at all levels (elementary, middle, high school, and university) in public (urban and suburban) as well as independent (private) education. A National Board Certified teacher, Jason currently develops curriculum and teaches in the elementary Spanish language program for Laguna Beach Unified schools in Laguna Beach, CA. He works with language teachers around the globe in CI-based approaches, including TPRS & TPR, content-based instruction, reading strategies, reader’s theatre, etc. Jason also teaches intensive Spanish and French language classes to adult learners and is one of the cofounders of iFLT.

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Mark Mallaney

Pre-AP Spanish

Mark Mallaney is a high energy Spanish teacher for Denver Public Schools.  In addition to teaching, Mark coaches new teachers in his roll as a District Teacher Leader and hosts learning labs throughout the school year that give fellow educators an opportunity to see him work with his students in his classroom.  In Mark’s classroom you will observe a passionate approach that engages and includes all learners.  Mark is committed to paying forward the mentorship that he has received throughout his career from the teaching greats in the iFLT community.

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Sabrina Sebban-Janczak

Beginning French

Sabrina Sebban-Janczak is a Master teacher who currently teaches French for Denver Public Schools, as well as at the University of Colorado in Boulder.  Sabrina was nominated Colorado Teacher of the Year 2016-2017.  Sabrina regularly presents at national and international conferences on various topics related to teaching using Comprehensible Input. A Teacher Leader who coaches, mentors and trains World Language teachers, she also edits and writes graded readers, teacher guides, curricula, as well as the Denver Public School World Language Assessments.  She has also recorded audio books for language learners.  Her passion and commitment to teaching and acquiring foreign languages continues to be a driving force in her life.

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Annabelle Williamson

Middle School Spanish

Annabelle Williamson was christened “La Maestra Loca” by her students long ago, but what she is really crazy about is building a positive, inclusive, success-oriented language community that promotes equity and anti-racist education. Annabelle’s love of students, people, languages, and of life is contagious. Her deep understanding of the nuts and bolts of teaching for communicative competence will leave you eager and inspired to return to your classroom and start implementing her strategies for equitable engagement! She’s currently in her 9th year as an educator, teaching Middle School Spanish in New Orleans at Bricolage Academy. Annabelle has her Masters in Education with an emphasis in linguistically and culturally diverse education.

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