School Director
Kristi Castro
Kristi Castro holds a B.S. in Chemistry from Loyola Marymount University and received her teaching credentials from California State University- Northridge. In addition to many years of experience in teaching, she served as the English Department Chair at Busan Lincoln House School in South Korea, overseeing all programs, faculty, and instruction. She also has extensive experience traveling abroad and teaching English to students in both South Korea and Japan. She is one of the founders of the Mahanaim English Village and the Mahanaim English Speech Contest, which is the most prestigious English speech contest in South Korea.

Theology Director/PDSO
Joseph Park

Joseph Park holds a B.S. in Finance from Santa Clara University and is a graduate of the Korea Gospel Missionary College. He served in Korea as an associate pastor from 2003 to 2007 and then continued his ministry in New York. While ministering in both Korea and New York for many years, he has a vast amount of experience in program management, language interpretation, youth organization development, and soteriology. He is currently working toward establishing Mahanaim as a renowned international university. He handles the student admissions process, international visas, and theology program management.

Management Information System Director
Yong Soo Park
Yong Soo Park graduated from Kyoung Hee University in Seoul, South Korea with a degree in business consulting and a minor in financial Engineering. Then he went on to earn his MBA at the same institution. Mr. Park also has extensive experience as an IT consultant and programmer. In addition, he holds both CISA and PMP certifications. He is currently the Management Information Systems Director at Mahanaim.

Tonnia Apfel
Tonnia Apfel graduated from Georgia State University in Atlanta with a B.B.A. in Accounting and gained experience in that field working in banking and equitable securities for years. She is currently the staff accountant for Mahanaim. She has also taught ESL to students in South Korea for many years.