First & Focused
Join host Mark Greaves as he sits down with current business owners, nonprofit directors, and industry leaders to discuss how they place Christ at the center of their calling. With guests from multiple industries, including music industry CEOs, leaders in Christian education, pioneers in the medical field, and more, Mark takes a holistic view of how to honor God regardless of one’s profession.
Each episode is packed with wisdom, honesty, and encouragement, covering lessons learned, challenges faced, and victories won while showcasing real stories and faith in action. Tune in and be inspired to live First and Focused, putting God first in your life, leadership and daily walk.
First & Focused
Evangelism in the Marketplace: How Dr. Duke Heller Led Thousands to Christ Through His Career
What if your profession became your greatest mission field? In this powerful episode of First and Focused, legendary dental implant pioneer Dr. Duke Heller shares how a lifetime career turned into a platform for bold, personal evangelism.
With over 20,000 dental implants placed and thousands of dentists trained, Dr. Heller reveals how his love for Jesus shaped his work, his family life, and his relentless energy—even approaching 90 years old. We unpack his simple May I Share method for sharing Christ, lessons from his friendship with Zig Ziglar, and what kind of legacy truly lasts when your life is centered on the Gospel.
LINKS:
Connect with Duke Heller and “May I Share” Ministries: May I Share | Sharing Christ
Connect with Mark Greaves: https://www.markgreaves.com/