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Christian Challenge is a CU student organization that desires to help students have genuine relationships and meaningful community, discover how to begin and deepen a relationship with Jesus and serve others at CU and around the world.

This is summed up in our purpose “Changing the world through God-honoring relationships”.

At Christian Challenge, we make it a point to create a space where anyone can be free to explore what it means to have real, true, authentic relationship with Jesus and one another.  In a world where connection is based on likes, followers, and shares, imagine a place where you can be fully loved and fully known.  A place where you can be lifted up through your failures, and celebrated through your victories.  We are a family of students and friends who engage in life with one other within a purposeful, life-giving community.  We do this through large group gatherings, small group Bible discussion, and impactful weekend retreats while enjoying the relationships that continue outside of these events.  Challenge welcomes anyone who is looking for a kind of community where identity, purpose, and meaning are part of the culture.

Christian Challenge has been at CU for over 50 years.  Our goal is to give every student an opportunity to have a meaningful relationship with Jesus.  We want to help students understand how this relationship can give us meaning, purpose, identity, and belonging.  We are committed to having real and authentic relationships.

We accomplish this through weekly meetings, small group Bible discussion, discipleship, retreats and conferences, and spring break trips.

Colossians 1:28 - "We proclaim him, warning and teaching everyone with all wisdom, so that we may present everyone mature in Christ."

As a community committed to one another, we want to pursue lives that look more and more like Jesus.

Image by Jie Wang

Meet our staff


Derek and Julee Gregory


Derek (303) 406-3415
Julee (303) 396-8451

Derek and Julee celebrated our 31st anniversary in 2022. They have five children and six grandchildren. Someone described our home in this way: "The Gregory's home is like a TV show." I hope by that they meant it is a vibrant, life-giving place that is rarely dull because living in the way of God is a great adventure.

We serve as campus missionaries in the role of directors of the Baptist Collegiate Ministry (Christian Challenge) at the University of Colorado (CU) and as co-state directors in Colorado. Our ministry vision is "changing the world through God-honoring relationships by declaring and demonstrating the gospel and making disciples of Jesus."  We strive to fulfill this vision by sharing the gospel, loving students, discipling them or, overall, introducing them to Jesus and helping them enjoy a vibrant relationship with Him and join Him in His purposes. We are training students to make disciples of all the nations.


Renee Meese

Full-Time Staff

(720) 899-1055

I am from Boulder originally but graduated from the University of Northern Colorado back in 2020. I worked as a Medical Surgical nurse for the last two years but I am finally getting to pursue my passion for students through college Ministry. I am an avid reader and movie buff. I love travel and learning about other cultures. The next destination on my bucket list is Istanbul Turkey.

Tyler Martinez


Full-Time Staff

(325) 642-8158

Tyler and Kaylee have been married for four years and have two children. They have lived in both Texas and Oregon over the last four years. Kaylee is from Colorado originally, but went to Texas for college. Tyler is originally from Texas, and they both graduated from Tarleton State Univeristy. Tyler will be on staff starting this Fall with Christian Challenge at the University of Colorado. He enjoys playing any sport, being outside and any board game, however his favorite games take time and strategy. He loves coffee, and his favorite place in Boulder is OZO on West Pearl.

Our Staff
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