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Mike O'Callaghan, DDS

GHO Team Leader

GHO Team Leader
GHO Specialty Coordinator - Dentistry

Mike O'Callaghan, DDS, is a family practice dentist in a small town in southwest Michigan. After graduating from the University of Detroit dental school in 1981, he served as chief resident in a hospital-based general practice residency in upstate New York. It was there that their oldest son was born, prompting them to return home to Michigan. He also opened his solo private practice in Allegan in 1983. He also served as the dental director for a migrant dental health program from 1983 to 1988. Mike is a Fellow of the Academy of General Dentistry.

Mike and his wife Margaret have three grown children, two of whom are married. Their oldest son Ken is a cook in the mountains of Colorado. Their middle son Dan is married to Kristin, and they gave Mike and Margaret their first grandchild Liam in October 2011. Dan is a pediatric dental resident in Cincinnati. Their youngest daugher Peggy is married to Nick who is in seminary while also serving as a youth pastor outside Denver. They also have Paddy, a border collie who is Mike's jogging partner.

Mike's goal is to live for the glory of God. Participating in GHO short-term mission trips has been a critical catalyst greatly used by God in his personal spiritual growth and development. Taking the Perspectives class on the World Christian Movement has been instrumental in helping him see the role God would have us play in advancing His kingdom. He serves as an elder in their church and has taught an adult Bible study class for many years. He loves to read books, especially dealing with Christian theology and leadership. He has also dabbled in photography.

In addition to being a GHO team leader, Mike also serves as a dental specialty coordinator for GHO. As a team leader, his goal is to cooperate with the Holy Spirit in bearing eternal fruit in the lives of those we minister to and in the lives of the team members…all to the glory of God, while having fun at the same time! To be used by God, to see Him working in your midst, to feel the very love and compassion of God flowing through you…that is as good as it gets! Serving on a GHO trip is truly the opportunity of a lifetime. And, by the way, you need not be a medical or dental provider. All that is required is a heart’s desire to be a servant! God can and will do the rest!

Please feel free to contact Mike by email or phone if you have any questions about any trips he leads. He has a Team Orientation Manual for each of his teams. He sends this document to interested parties and applicants as it contains a lot of mission critical information including his philosophy of ministry. He is happy to send one out via email to any interested parties. Cell Phone: 616-886-2817