From https://tekhelet.net/SpeakersBureau.htm (slightly modified):
Joel Guberman, OTR/L
Joel Guberman is co-founder and director of the Ptil Tekhelet Association. Joel was responsible for taking the initiative to organize the Ptil Tekhelet Foundation for the purpose of educating Am Yisrael about the new-found candidate for tekhelet as well as making the dye widely available to all interested in acquiring it for the fulfillment of the lost mitzvah. He has since served as the driving force of the organization.
Joel has over decades of experience as a pediatric occupational therapist, working with special-needs children. During his fellowship at ATID (Academy for Torah Initiatives and Directions), Joel focused on improving Jewish family learning and dynamics, and studied in the Hebrew University family therapy program. Since moving to Maaleh Adumim in 1991, Joel has been a political activist supporting the settlements and Jerusalem.
Joel lives in Maaleh Adumim, Israel with his wife Nomi and their ten children.
