Soheil Mansouri, Ph.D., teaches Teaching English as a Second Language (TESL) courses at Webster University in Missouri, having taught previously at Florida State University. He earned his master's degree in Foreign and Second Language Teaching with the focus on TESL, and his doctoral degree in Curriculum and Instruction specializing in Foreign and Second Language Education from Florida State University. His research interests include heritage language learning and motivational factors in maintaining a heritage language; specifically, Persian heritage language maintenance, TESL methods, and second language motivation and maintenance. He has also served as a co-director and instructional lead of two fully granted STARTALK Programs, and site visitor and consultant for the STARTALK programs, which focuses on promoting the acquisition of critical languages in the United States. Dr. Mansouri has more than 15 years of teaching experience between the United States and Iran, including EFL instruction in elementary schools, ESL adult instruction at the university level, and TESL courses for both pre-service and in-service teachers seeking TESOL certification.