“A gifted teacher, skilled communicator and valued friend, Joe is using his God-given abilities in a ministry that will take others to a deeper level spiritually. Any group would benefit by being exposed to the ministry of The Potters Wheel.” - Bob Russell

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“Joe Donaldson is an outstanding communicator of God’s truth. He’s highly engaging, has an incredible sense of humor and a great ability to connect with others as he teaches the Word of God.” - Kurt Sauder

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"Joe’s ability to create a friendly training atmosphere with cross cultural sensitivity and connect with our various staff teams for personality analysis using a simple and easy to understand tool was impressive. His approach is engaging and innovative, and helped our teams individually and collectively to know their strengths and ways of function. The beneficial discussions that follow are long lasting for ongoing team development".​- Dr. Florence Muindi

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"Getting away with my elders was an incredible plus. Our relationship with each other is much stronger and deeper, since we spent the weekend with Joe and Linda. Peeling away layers of uncertainty, we returned to our church with a renewed passion and excitement for our ministry. I would recommend The Potter's Wheel as a resource for any church leader who wants to build unity, deepen relationships, and strengthen their staff and/or elder board." - Jim Watts

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"Joe Donaldson is one of my favorite spiritual teachers.  God has gifted Joe with humor and quick wit that he uses to engage and teach the truth of Christ and God's amazing ​love. - Jay Stewart