Board of Directors

Brian Martin


Served on a GO! team to India and Nepal in 2005. Has served on the Board since September 2013 and became the chair of the Board in March 2014. Serves as pastor at Weaverland Anabaptist Faith Community (LMC — a fellowship of Anabaptist churches) in East Earl, Pa.

Courageous faith and a Spirit-filled vision became key ingredients in birthing EMM over a century ago. While our world has changed greatly, I joyfully observe faith and a Spirit-filled vision propelling EMM forward in the missional mandate of our Lord for this generation.”

Akeia Haddox-Rossiter

Vice chair

Served as Missionary Support Team leader 2012–2013. Outreach Coordinator for Capital Christian Fellowship (LMC), working with food pantry, D.C. homeless ministry, and special events. Also serves as Assistant Worship Leader. Currently enrolled in STEP program at Eastern Mennonite University.

“Whether overseas or locally, I have the desire to support those who answer their call to the mission field, who immerse themselves in faith and culture, and who are transforming lives in the name of Jesus Christ.”

Kent Hartzler


Served as co-leader of Mexico STAT (Summer Training and Action Team) in 1994; served on a Jamaica YES team in 1993. Has served on the Board since 2012. Serves as President and CEO of the Everence Federal Credit Union and attends Mountville Mennonite Church (LMC) in Mountville, Pa.

“EMM has a long, rich history of pursuing Jesus’ Great Commission (Matt. 28:19‑20) to spread the gospel and to call forth disciples in His name. My desire is to see this kingdom work advanced in future generations.”

Lynn Shertzer


Pastor of Slate Hill Mennonite Church, an LMC congregation in Camp Hill, Pa. Has served in pastoral ministry for 18 years and previously worked in the business sector. Has been involved with the Shalom Council of Evangelical Churches (formerly known as the Spanish Mennonite Council) and several short-term mission experiences.

I desire to help EMM with their mission here and abroad as faithful stewards of the gospel and resources entrusted to us. I want to be a good listener of the Holy Spirit and others as we bring His Kingdom near through the good work of EMM.”

Lawrence Brenneman

Spent two years of voluntary service in eastern Kentucky with Mennonite Mission Network; served six years as missions and service chair and four years as missional leader for Allegheny Mennonite Conference. Has gained additional understanding through visiting missions in the Middle East, East Asia, and throughout the United States. He attends Pinto Mennonite Church (LMC) in Cumberland, Md.

“I deeply appreciate the purposes and goals for EMM’s existence. World-wide influence in enlarging Christ’s kingdom is truly amazing to me!”

Lyn Carlson

Served with EMM on a YES team to France in 1998, as a STAT co-leader to France in 2000, as a YES team leader to Lithuania in 2001, and as assistant director of the Harrisburg Discipleship Center from 2003–2004. Currently works as Director of Academic Support at Lancaster Mennonite School and attends Forest Hills Mennonite Church (Atlantic Coast Conference) in Leola, Pa.

“At a time when it’s easy to find much trouble in our world, I am humbled to serve this organization, which has been steadfast in shining Christ’s light of hope to many people both locally and globally.”

Joe Garber

Served in Voluntary Service 1977–79 in New York City.  With his wife, Yvonne, served in Tanzania with Kanisa la Mennonite Tanzania (1986, 1988–90) as a teacher in Theological Education by Extension. Led several short-term mission trips to Albania and Tanzania with family and Byerland Mennonite Church where he has served as pastor since 1996. Previously served on the EMM Board 1998–2008. 

"I am humbled to serve on the Board of EMM. My heart's passion is for the reproduction of Kingdom principles into the lives of others for the global expansion of the Kingdom of God."

Laurie Gingrich

Served on a YES team in 2001 to Kazakhstan and led a YES team to Cambodia in 2005. She attends Laurel Street Mennonite Church in Lancaster City. She joined the Board in February 2018, and is excited to learn more about how God is moving in the world.

“I believe missions is about living each day with purpose and attention to what God is doing right where I am. I want to help equip other people to also live out their God-given mission wherever they are.”

Tuyen Nguyen

Served with EMM in England for four years. Has served on the Board since 2014. Serves as a bishop in LMC and pastor at the Church for the Needy (LMC), in Philadelphia, Pa.

“I have been working closely with EMM in various capacities since 1986. I hope to learn from and contribute to EMM’s mission endeavors in the world.”

Lisa Zimmerman

Served with EMM in Kosovo from 2006-09 and Mennonite Central Committee in Akron, Pa. from 2002–06. Currently, is raising three daughters, working part-time at Hinkletown Mennonite School and attending Indiantown Mennonite Church, where her husband, Lee, is an associate pastor. Joined the EMM Board in May 2019.

"As I have been introduced to different cultures, I have seen and been excited about how much there is to learn and share regarding living like Christ."

Both EMM's president and LMC's moderator relate to the Board as non-voting ex-officio members.

Eastern Mennonite Missions

PO Box 8617, Lancaster, PA 17604-8617 US
450 N Prince St, Lancaster, PA 17603-3010 US
toll-free: +1 (844) 891-3939
phone: (717) 898-2251
fax: (717) 898-8092
office hours: Monday-Friday, 9 a.m.-4:30 p.m. EST

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