The Millers
Executive Director
Tim Miller joined Cross Bar X in May 2006. Tim serves alongside his wife Marci, daughters Addie, Whitley, Cora, Della, Thea and Josie, and sons Elias & Allan. Tim has served in camping ministry for over 20 years and has an undergraduate degree in Youth Ministry from Colorado Christian University and M.A.'s in both Executive Leadership and Professional Counseling. Tim’s passion is to communicate the transformational truth of the Gospel of Jesus Christ and to help families thrive as they live life together!
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The Poseys
Camp Director
Jacob and Jenny Posey are from the Durango area. After being a part of CBX as seasonal staff and volunteers, they joined our full time team in 2013. Jacob has a bachelor's degree in secondary education and a master's in nonprofit leadership. Jenny has her bachelor's in elementary education. They have four children, Abel, Clara, Ethan, and Danielle. They are excited about the things God is doing at camp and to be a part of His work here.
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The Quirings
Ranch Manager
Sam has worked the majority of his career in construction and metal fabrication. He is skilled in carpentry, mechanics, grounds work, and just an overall handy guy! Many of you will know Summer from her many summers with us dating back to 2006. She has been involved in the ministry as a counselor, intern, graphic designer, program assistant, and Bible teacher. Sam and Summer have 5 children SJ, Piper, Ambrose, and the twins Magnus and Atlas.
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Mckenzie Lillis
Program Manager - Summer 2026
Hello! My name is Mckenzie Lillis and I am the program director for Cross Bar X's 2026 summer. I have been working at CBX as a counselor the past two years and am so excited for the opportunity to be program director. I was raised in Texas with my two little sisters and currently go to school in Denver at Colorado Christian University. I am studying Communication with an emphasis in interpersonal relationships. I love helping people and have such a heart for kids to know the gospel. I am beyond excited for camp this coming summer and can't wait to see all the Lord will do!
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Addie Miller
Digital Media Manager
Addie Miller has lived at Cross Bar X since May 2006. Starting out by running the camp's trading post and snack shack at the age of seven, Addie has worked a variety of jobs (including photographer, support staff, counselor, summer program leader, support staff manager) and has worked her way up to her current role as the social media manager. Addie is a junior in college and is working towards getting her undergraduate degree in Strategic Communication from Colorado Christian University. Addie is passionate in sharing the stories and life of Cross Bar X with everyone who loves this cmap as much as she does!
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