Staff mission speakers

These EMM staff members would love to inspire and challenge your group. Click on the speaker's name to send him/her an email, or call EMM at 717 898-2251. If you are interested in scheduling EMM's Church Revitalization Coach, Antonio Ulloa, learn more here.

Kaylene Derksen is the development director at EMM.
Kaylene has been involved in both short- and long-term missions, helping to plant churches in Birmingham (Ala.), and Halle, Germany. Kaylene also traveled to Central America with a drama team and led a youth coffee house in the Netherlands. She considers communication one of her passions, and has written and produced two plays. Kaylene enjoys leading worship with her husband, Jimm, and loves being a mother to her daughter, Helena.
Special focus: stories on families and parenting in mission, Sabbath and living in sustainable rhythm, the importance of your story in mission, stewardship and missions giving
Angie Earl is the discipleship trainer at EMM.
Angie participated in EMM's short-term programs (GO!, YES, and mission internship) as a young adult, before serving as a long-term worker in Southeast Asia for five years. Angie is passionate about helping people to know their identities in Christ and to find freedom and healing from lies that hold them back from who God has created them to be. Angie is also passionate about helping the church to have God’s heart for Muslims. Her desire is to empower people in building cross-cultural relationships, sharing the gospel in understandable ways, and loving Jesus wholeheartedly.
Special focus: identity in Christ and inner healing, cross-cultural relationship-building, sharing Jesus’ good news with Muslims, God’s heart for the nations, disciple-making movements, young adults
Galen Hershey is facility manager.
In his role as facility manager, Galen is responsible for all aspects of the physical plant, grounds, and office machines at EMM's central administrative offices, and he oversees the mailroom. He has a passion to "see believers work and serve together for the one great and all important cause, knowing God and making Jesus known to all the earth and not be divided over issues that we place as more important than that one all important purpose." Galen and his wife Jolie are the parents of five grown children.
Special focus: missionary stories of God at work; and our call to take Jesus to the world.
Gerry Keener is executive vice president.
Gerry focuses on the ways EMM administration can best help ministry to happen. He works on the implementation and planning of mission vision within EMM. Gerry also serves as a non-resident missionary to Vietnam along with his wife Donna. Having been connected in some way with EMM for more than 30 years, he and his family most recently served as missionaries in Vietnam for 12 years. He continues to work with theological education and leadership development in Vietnam. Gerry and Donna along with their two daughters, Viktoria and Yen Elizabeth, live in Lancaster, Pa.
Special focus: mission stories from Vietnam; call of missions; and life journey in ministry.
Cara Kilheffer is administrative assistant for Human Resources.
As an undergrad, Cara studied political philosophy in a Christian context and became increasingly amazed at the beauty of God's kingdom. She has a passion for seeing personal and societal transformation locally and abroad, and she has been involved in short-term overseas missions in Peru, Switzerland, Indonesia, and Malaysia. Cara believes that intercessory prayer is foundational to missions and that missions happens wherever there are disciples of Jesus. She loves to encourage and inspire others to catch God's vision for the world.
Special focus: participating in God's story, living and advancing the kingdom.
Troy Landis is discipleship coach.
As discipleship coach, Troy oversees EMM's short-term missions programs, along with all EMM training programs for missionaries and local churches. Troy served on a YES team to Bolivia after high school and then served for 6 years in Indonesia after college. He is an educator at heart and believes strongly in the potential of ministering to people through education. Troy is also called to equip others who are called to minister to children and youth at risk.
Andrew Mashas is church relations and development coordinator.
Andrew is passionate about keeping congregations and individuals engaged in mission and vision through events, telling missionary stories at services, and connecting personally.
Nelson Okanya is president.
As EMM's seventh president, Nelson looks forward to "participating in re-envisioning of mission for the next generation." Born and raised in Kenya, Nelson interacted with the Kenya Mennonite Church and the EMM mission community in Nairobi. He is fluent in English, Kiswahili, and Luo. He has participated in numerous short-term cross-cultural mission experiences; he and his wife, Jessica, served at the Mennonite Theological College of Eastern Africa in 2004. He most recently served as the lead pastor at Capital Christian Fellowship in Lanham, Maryland. Nelson and Jessica are the parents of two young sons, Barak and Izak.
Special focus: Anabaptist witness and mission; Christian discipleship and virtue formation; unique mission opportunities and challenges in the 21st century; and engaging in postmodern dialogue.
Steve Shank Steve Shank is pioneering coach.
As the pioneering coach, Steve trains and encourages EMM's regional representatives in various pioneering locations around the world. He, along with his wife Rose, planted three churches in Latin America and two in Pennsylvania. For over ten years he worked as a consultant, helping churches and church networks develop vision and implementation strategies for mission and church planting ventures. Steve has taught in mission training schools, short-term missions preparations, colleges, leadership training schools, and graduate schools in the areas of missions, church planting, and leadership development.
Special focus: stories of Latin America; mobilizing the local church; giving heart-to-heart; and youth and children's mission education.
David and Grace Shenk, Jonathan Bornman, Sheryl Martin, and Andres Prins comprise EMM's Christian/Muslim Relations Team.
The team desires to equip Christians around the world for life-giving interaction with Muslims. In a world where complex conflicts sometimes divide Muslims and Christians and where mutual suspicion can build walls, this team speaks boldly and trains persistently for bridges of loving and respectful connection between Christians and Muslims, while faithfully confessing Christ. Among them, the five team members speak eight languages. All speak English. Andres can teach in Spanish, Portuguese, French, and North African Arabic. David is fluent in Swahili, Jonathan speaks French and Wolof, and Sheryl speaks Dari. Contact Jonathan Bornman, team coordinator, at This email address is being protected from spambots. You need JavaScript enabled to view it. to invite members of the team to speak to your group.
Special focus: Preaching the gospel of Jesus Christ; sharing the gospel with Muslims; and Christ-centered peacemaking in a world of many religions and ideologies.
Antonio Ulloa is church revitalization coach.
In 1992, Antonio, his wife Patricia, and their two sons moved to the U.S. from their native Honduras in response to a calling to work with the Mennonite churches of North America. He was a church planter in Allentown, Pa., and now works with EMM as a church consultant, mainly in the areas of church revitalization and healthy church life. Before coming to the U.S., Antonio was the academic dean of the Christian Education Center of the Amor Viviente churches in Honduras, as well as a worship program director and an associate pastor. He holds a master's of Divinity degree from Eastern Mennonite Seminary.
Special focus: Mission stories from Honduras; healthy church life; need-oriented evangelism; dying to self, living for Christ; hearing God; and many other topics related to church revitalization and renewal. (For a list of specific titles, click here.)