ICCT Faculty and Staff

ICCT Faculty and Staff

The Institute for Cross-Cultural Training (ICCT) is made up of a team of committed professionals who want to empower language and culture learners. Our staff members teach courses, create resources for cross-cultural workers, and coach learners individually in phonetics, language learning techniques, and cross-cultural communication. All instructors have a master’s degree or higher in Applied Linguistics, Second Language Acquisition, or a related field. Below are bios of some of our team.


Natalie Mullen Leisher, Ph.D.

Headshot Natalie MullenDr. Natalie Mullen Leisher is the director of the Institute for Cross-Cultural Training where she works with Christian non-profits and their workers who are learning and teaching languages all around the world. She was an ESL teacher to adults in university settings for over 10 years, specializing in listening, speaking, and pronunciation, and has lived and served in China and Spain. Her doctorate is in Education Policy and her research interests include language policy, multilingual populations, language justice and inclusion, internationalization of higher education, and second language acquisition.

Associate Director of Online Learning

Lonna Dickerson, Ph.D.

Headshot Lonna DickersonDr. Lonna Dickerson is the associate director of online learning and former director of ICCT.  With an M.A. in TESOL and a Ph.D. in second language acquisition, Dr. Dickerson has experience in the fields of phonology, language coaching,  and sociolinguistics. In particular, her professional interests include issues related to pre-field training for Christians who plan to learn new languages and cultures, on-field language and culture learning, and the development of materials for teaching English for Bible and theology.

Associate Director of TESOL

Dianne Dow, M.A. TESOL

Headshot Dianne DowDianne Dow is the associate director of TESOL for ICCT. She is the owner of Dow Tutorial Services and has used her M.A. in TESOL while teaching ESL in the corporate and private sectors. Dianne is the primary instructor for the many TESOL workshops offered with ICCT and has a passion for empowering individuals and church ministries in the area of ESL.



Mary Cerutti, M.A. TESOL 

Profile Mary CeruttiMary is an experienced ESL teacher. She has taught TESOL workshops with ICCT for many years, and is sought out for her expertise in teaching listening and speaking, as well as her creative classroom activities. She currently serves as the head of the World Relief Adult ESL Program in Dupage County, Illinois. 


Robyn Hackett, M.A. TESOL & Intercultural Studies 

Linguistic Research Specialist

Profile Robyn HackettRobyn Hackett served as a linguist with SIL International in northwest Cameroon, where she supported mother-tongue literacy through grammatical tone research and mentoring local language development workers. She currently serves with World Relief, where she teaches adult English learners who have had limited formal schooling. She also teaches second language acquisition and linguistics with Wheaton College and the Institute for Cross-Cultural Training. She is ICCT's Linguistic Research Specialist. Robyn, her husband, and her two sons live in a transitional housing program, where she mentors young single mothers in their journey toward stability.

 Colleen Hale, M.A. TESOL & Intercultural Studies

Profile Colleen HaleColleen Hale was a cross-cultural worker with WEC International in Thailand for many years where she was the language coach for new workers learning the Thai and Sgaw Karen languages. She has an MA in TESOL and Intercultural Studies from Wheaton Graduate School. She is currently an SLA instructor for ICCT and serves as the International Language Consultant for WEC International.


Jennifer LaChonce, M.A.T. in ESL and Bilingual Education, Certified teacher in K-12 EL & Arabic Bilingual, K-12 Self-contained, Math, and Spanish, Ed.D. candidate

Jen LaChonce is a cultural coach with ICCT. Her primary role is as a middle school English teacher for newcomers from the Middle East in the Chicago area. She is also an Ed.D. candidate at Governors State University and an ESL instructor at Trinity Christian College. From 2007 to 2018, she worked as an elementary classroom teacher in Amman, Jordan, and has a passion for teacher training, focusing on trauma informed instruction and pedagogy for new speakers of English. She enjoys working with her husband Mark to support those who are navigating new cultures and languages.

Mark LaChonce, M.Div, M.A. TESOL & Intercultural Studies, Ph.D. candidate

Mark LaChonce headshotMark LaChonce is a phonetics instructor with the Institute for Cross-Cultural Training. He is also a Ph.D. candidate at the Lutheran School of Theology at Chicago and an instructor at Trinity Christian College. From 2007 to 2017, he worked as director of an Arabic Language Program in Amman, Jordan, and has also worked as an ESL teacher in various settings. He enjoys assisting our students with phonology in a number of languages.

Carol Orwig, M.A. TESOL

Carol OrwigCarol Orwig is a Senior Language and Culture Learning consultant and trainer for SIL International.  She teaches language and culture learning classes at the Canada Institute of Linguistics at Trinity Western University in British Columbia  and at Dallas International University.  She has taught such classes in England, Oregon, and Thailand and led language learning workshops in a number of other countries.  She also helps to develop and teach online courses for coaches for ICCT.

Joyce Stauffer, M.A. TESOL

Joyce Stauffer headshotJoyce Stauffer has been one of the Second Language Acquisition instructors of ICCT since 2015. She received her MA in Teaching English as a Second Language from Azusa Pacific University, CA and lived in East Asia for over 30 years. She had various roles including English teacher and language coach.  Joyce returned to USA in 2014 and currently resides in Lancaster County, PA. 


Rachael Tsaneva, M.A. TESOL & Intercultural Studies

Rachael Tsaneva joined the ICCT team as a Second Language Acquisition instructor and administrator in 2022. She earned her MA in Teaching English to Speakers of Other Languages & Intercultural Studies from Wheaton College. She has taught English learners from ages 3 to 70+ in the US and Bulgaria and has also directed and consulted with numerous English programs around the world. She is passionate about sharing language acquisition concepts with language teachers and learners in easy-to-understand ways.