John Kelly ‘Jack’ Quilantang

ASSISTANT INSTRUCTOR

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John Kelly 'Jack' Quilantang
John Kelly 'Jack' QuilantangAssistant Instructor
Jack joined Kore in April 2023 and became a member of the Instructor Cadre in January 2025 after completing Kore’s year-long Instructor’s College. Before his involvement with Kore’s mission, Jack served as an active-duty U.S. Marine and worked as a security contractor, a role that took him across the globe. His career has included operating and managing security operations in various domains and disciplines.

An adventurer and storyteller, Jack’s travels and experiences have spanned all seven continents. He is an avid reader and hiker and is currently working on a personal project with his wife, which involves summiting all the mountains in Shenandoah National Park. Jack proudly hails from the beautiful island of Guam, which he calls home.

He holds an Associate degree in Communications and a Bachelor’s degree in Creative Writing from Southern New Hampshire University. Additionally, he has a Master’s degree in Cybersecurity Operations and Information Management from George Washington University and is currently completing a Master’s degree in Space Operations at Embry-Riddle University.