Why C12 Greater St. Louis?

Great Businesses. Greater Purpose.

C12 isn’t just another business group—it’s a movement of Christian CEOs and business owners pursuing excellence in leadership and eternal impact in the marketplace. We believe your business is a platform entrusted by God for transformation—of people, communities, and the world.

At C12 Greater St. Louis, we bring together top business leaders in confidential peer advisory forums—guided by an experienced Principal Chair who provides one-on-one coaching and world-class business and spiritual development curriculum.

Great Businesses. Greater Purpose.

At C12 Indianapolis, we bring together top business leaders in confidential peer advisory forums—guided by an experienced Principal Chair who provides one-on-one coaching and world-class business and spiritual development curriculum.

What We Do

C12 is the world’s leading network of Christian CEOs and business owners who are building great businesses for a greater purpose. We bring together top business leaders in confidential peer advisory forums—guided by an experienced Principal Chair who provides one-on-one coaching and world-class business and spiritual development curriculum. Every month, members sharpen each other through transparent discussion, strategic insight, and biblical wisdom—so they can grow stronger in leadership, profitability, and Kingdom impact.

What Sets Us Apart

While other CEO peer groups focus on performance or networking, C12 Greater St. Louis is built on purpose. Our model blends best-in-class business strategy with biblical truth—equipping you to lead with eternal perspective and tangible results.

Proven Business Excellence

We don’t compromise on quality. C12’s curriculum is world-class, covering strategy, operations, finance, leadership, and culture—grounded in proven frameworks that drive profitability and growth.

Peer Accountability with Kingdom Perspective

You’ll be challenged by leaders who understand the tension between profit and purpose. Our forums create a space for honest conversation about business decisions, spiritual growth, and lasting impact.

Christ-Centered Foundation

Faith isn’t an add-on—it’s our foundation. Every meeting, every discussion, and every coaching session is rooted in biblical truth and designed to help you lead your business as an act of worship.

Transformation, Not Just Information

We don’t just teach principles—we drive action. You’ll leave every forum with clear next steps and the accountability to follow through. Real change happens here.

A Coach Who Walks With You

Your C12 Chair isn’t just a facilitator—they’re a seasoned business leader who understands your challenges and is committed to your success. Monthly one-on-one coaching ensures you stay on track.

Impact & Benefits

Exclusive Peer Advisory

Engage in candid, faith-based discussions with peers who understand the unique challenges of integrating faith and business.

Action-Oriented Learning

Leave every meeting with concrete steps to improve both your business operations and personal life.

Focus 60 Meetings

Between each monthly forum, receive monthly 1:1 mentorship and coaching from your Chair to help walk you through the processes of owning a business.

Community and Support

Connect with a diverse group of Christian leaders who are committed to helping each other succeed.

Personal and Professional

From actionable business insights to spiritual enrichment, our members experience comprehensive growth.

Is C12 Right for You?

You might be ready for C12 if:

You lead people and feel the weight of your decisions.
You want your faith to shape how you lead, not just what you believe.
You seek to grow your business while honoring God.
You desire accountability, wisdom, and eternal impact.
You're ready to move from success to significance.

Greg Atchison

Principal Chair

Meet Our Executive Leadership

Greg Atchison brings more than 40 years of military, corporate, and academic leadership experience to his role as a C12 Chair. Answering God’s call, he now helps business owners lead with clarity, purpose, and Kingdom impact.

His background includes co-leading a $50+ million business, overseeing large technical and R&D teams, and developing leaders at every level—including emerging leaders, senior managers, and global executives at Boeing. Greg holds a Ph.D. in Organization and Management (Leadership), is a Professional Certified Coach (PCC), and serves as an adjunct professor at Embry-Riddle Aeronautical University.

For more than 20 years, Greg has been active in marketplace and small-group ministry. He currently serves as a deacon and small group leader at First Baptist Church of Wentzville. Married to his high school sweetheart, Nancy, for over 50 years, Greg enjoys fly fishing, reading, and time outdoors in God’s creation.

Your Next Chapter Starts Here

Interested? Schedule a discovery call with one of our Chairs, and see if you meet membership requirements.