John K. has extensive experience in education, ministry, and military service. Currently serving as a Substitute Teacher at ESI since March 2022, John is certified through the State of Arizona to fill vacant teacher positions. In addition, John has been a Minister with the Greek Orthodox Archdiocese of America since August 1992, where responsibilities included addressing financial challenges and boosting stewardship significantly. Previous roles include self-employment with Late for the Sky Enterprises, providing logistical and spiritual support as Battalion Chaplain in various US Army units, and working in executive search and economic analysis. John holds multiple degrees, including a Master’s in Religious Studies/Theology and a Bachelor's in Economics, and has completed several advanced programs related to military chaplaincy.