Joy Kreeft Peyton is President of the Coalition of Community-Based Heritage Language Schools in the United States, which connects and collaborates with thousands of schools teaching hundreds of languages, mostly on weekends. She has also worked in Ethiopia, Nepal, and The Gambia to develop curriculum, materials, and student pleasure reading books in students' mother tongues.

Martha Young-Scholten, PhD University of Washington, Seattle, is professor of second language acquisition at Newcastle University. Since the 1980s, she has conducted research on the generative-linguistics-based L2 acquisition of morphosyntax and phonology, focusing on adults  acquiring their L2 naturalistically. For the last decade she has been investigating the reading development of migrant adults with limited home language literacy. She has been involved in Grundtvig and Erasmus+ projects: 2013-2015, the Digital Literacy Instructor, as partner, and 2010-2018, as coordinator of EU-Speak. She co-directs with a creative writing colleague the Simply Cracking Good Stories project on L2 pleasure reading for adult beginners.