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Rev. Dr. Bob Mitchell
Associate Pastor

Twenty-two years ago I began my ministry in the United Methodist Church at 1st UMC, Mesa. Returning to Mesa First in retirement feels like coming home! I am delighted to be working half-time in the areas of Christian Education and Pastoral Care.

Since moving from Mesa First in 1992 I have served two congregations in Phoenix and one congregation in Chandler. I have also served on a variety of Conference Boards including Education, Congregational Development, Camping and Retreat Ministries, and Ordained Ministry. For eighteen of those twenty-two years my wife, Kathy, and I provided leadership for the Mingus Mountain Elementary Music Camp. I have twice taught the class “Vocational Discernment and Spiritual Formation” at The Claremont School of Theology’s Phoenix Extension. I am currently serving as the Team Theologian for the Western Jurisdiction’s Two-Year Academy for Spiritual Formation at the Mercy Center in Burlingame, California.

My wife, Kathy, and I were married on August 14, 1970, the summer before our senior year at Ashland College in Ohio. After graduating we moved to Mesa, Arizona, where Kathy taught beginning orchestra classes in the Mesa Public Schools and I completed my MA in Music Theory at ASU in 1974. Two years later I enrolled in the MDiv program at Fuller Theological Seminary in Pasadena, California. I graduated from Fuller in 1980 and was ordained an Elder in The Brethren Church on August 2, 1981. I served Brethren Churches in Indiana and Arizona for seven years. On July 1, 1988, I began my career in The United Methodist Church at First UMC Mesa. In the intervening years I completed doctoral programs at Fuller Theological Seminary (DMin, 1994) and Claremont School of Theology (PhD, 2007).

Kathy and I have two grown children–Nathan, is a professional musician living Tempe, Arizona, and Amy and her husband Steve are post-doctoral researchers at UC Irvine. Kathy insures time together by purchasing season tickets to The Arizona Opera and the Phoenix Symphony’s Coffee Classics concert series.

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Gavin Rittenhouse
Music Director

A local graduate of Marcos De Niza High School, Gavin Rittenhouse grew up in Tempe, AZ. He is a Sun Devil fan at heart yet he went to higher ground to attend Northern Arizona University. He holds Bachelor’s degrees in Music Education and Vocal Performance, and also a Master’s in Secondary Education. This is his seventeenth year of teaching. He teaches choir and general music at Carson Junior High school, as well as private voice.






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Nicholle Hansen
Youth Director & Children’s Ministry Coordinator







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Katie Mozurkewich
Office Administrator

Katie is a second generation native Arizonan. She is married, with two children.

Katie has been a member of First Church all her life. She has worked as the Office Administrator of First Church since 2009, and before that worked at the First Church preschool in administration for two years. Katie loves the many challenges and opportunities that come with her work here at First Church, as well as meeting and helping the community surrounding the campus on a daily basis. Katie can assist you in any event scheduling such as weddings, funerals, or rentals.

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Lynn Adams
Financial and Membership Secretary








Be sure to read our mission, vision and core values and come join us if even a bit of it resonates with you (or come join us even if none of it does!).

Also be sure to learn more about our history and read Pastor David’s words of welcome.