Partnering with the Leadership Team to carry out OCSI’s mission and vision.

Board of Directors

Meet OCSI’s board, a group composed of volunteers and OCSI’s head of school (left to right): Pastor Woolery, Pastor Siangco, Pastor Eyre, Mr. Duggan, Mr. Aoki, Mr. Essenburg, and Mr. Horii.

  • Brian Woolery, board vice chair: Brian is the pastor of Keystone Nazarene. As a missionary with the Nazarene Church, he previously served in Guam and the Philippines. Brian has 2 children who attend OCSI, has lived in Okinawa since 2010, and has a Master of Divinity from Asia Pacific Nazarene Theological Seminary.
  • Christian Siangco, board chair: Christian is the pastor of Neighborhood Church. He previously served in the US military, is a graduate of Azusa Pacific University, and has lived in Okinawa since 2009.
  • Chris Eyre, board member: Chris is the Executive Pastor at Koza Baptist Church. He has a son who attends OCSI. He retired from the US military after 25 years and has a Master of Arts in Christian Leadership from Liberty University.  hris is married to Hisami from Ginowan City, and has lived in Okinawa over 15 years.
  • Keith Duggan, board secretary: Keith is in charge of finances at Calvary Chapel (Okinawa). He retired from the US military in 2008, has two daughters who graduated from OCSI, and has lived in Okinawa off and on since 1985. Keith has finance experience (having been a commodities broker at the Chicago Board of Trade) and is a graduate of Moody Bible Institute.
  • Shu Aoki, board member: Shu is the head of Plants Juku School which helps students learn five subjects and prepare for high school and college entrance exams. He taught Japanese at OCSI, has served as a board auditor, has an Ed.S. in Educational Leadership from Union University, and is affiliated with Charis Alliance Japan.
  • Michael Essenburg, board member and head of school: Michael, head of school since July 2015, was born in Tokyo and graduated from Christian Academy in Japan, where he served as teacher and administrator before coming to OCSI. He has an MA from Azusa Pacific University.
  • Toshi Horii, board member: Toshi is a financial consultant, has an MBA from Georgetown University, and has lived in Okinawa since 2013. Previously, he worked in banking in Japan, Singapore, and the United Kingdom. He has 2 children who attend OCSI.

The board uses the policy governance model. The board sets the mission and vision, and the Leadership Team implements the mission and vision, which includes helping students achieve OCSI’s expected student outcomes. Board activity is monitored by the auditors and council, in compliance with the Articles of Incorporation.

Parents, please…