Meet The Team

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Ted Seres

Ted is passionate about fulfilling the Great Commandment and the Great Commission, and seeing people connect with God in their own language. Before joining OneBook, he served as the National Director of the Canadian Bible Society. Ted is an ordained minister with the Pentecostal Assemblies of Canada where he has served in pastoral ministry missions with newcomers to Canada, First Nations leadership, and chaplaincy.




Director of Program

Martin Engeler

Martin’s passion is sharing the power of the living word so that people may be transformed and become followers of Jesus Christ. Martin used his training in audio and video to further Scripture engagement in Africa, then took on a role in program support, and eventually became Program Director.  He and his wife Chrissy have served in the Bible Translation movement for over 30 years, in Cameroon and in Canada.




Development Lead

Sarah-Jane Downing

After 10 years writing for OneBook, Sarah moved into the role of Development Lead in Spring 2021. She is more passionate than ever about the wholistic impact of language and literacy, and delights in raising awareness of how mother-tongue Scripture and resources are transforming entire communities forever. Sarah is active in her local church, and loves travelling the world with her family.


Finance Manager

Canna Yang

Canna is passionate about helping people. She has been a part of the OneBook team for over 10 years, where she enjoys serving God with her accounting skills and seeing His great work around the world. Canna graduated from SAIT with an applied degree in Accounting.



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operations & Development

Laura Lapsley

Laura joined OneBook in 2015, bringing her many years of tech, data management and administrative experience with her. Laura feels privileged to work with such an amazing team, furthering the Kingdom of God around the world. Laura loves everything Disney, travel, and the Toronto Blue Jays and enjoys dragging her husband and kids around on all of her adventures!






Donor Relations/
Graphic Design

Larry Fjeldstrom

Larry is passionate about building relationships with donors, and especially delights in thanking people for their giving and praying with them. Larry has been a part of the OneBook staff since inception. He currently serves through his skills in graphic arts and being the donor relations coordinator. He also assists in the finance area in various tasks like acknowledgements and receipts. 




Partner Liaison/
IT Manager

David Duncan

David longs for all people to have an opportunity to know God deeper through His Word. David serves as the OneBook liaison and Project Lead for The Bible Translator's Assistant (TBTA), as well as looking after the technical needs of the organization. He lives on a farm in BC with his wife Neva and two of his three children.


Lynette Dieleman

Partner Liaison/
Prayer coordinator

Lynette Dieleman

Lynette comes to OneBook with experience in project management in Africa. She now enjoys living and working out of multi-ethnic London, ON. Over the years Lynette has been inspired by local communities who trust God and work together to overcome obstacles and achieve project goals.


Development/ Church Relations

Jerry Haasdyk

Jerry is a passionate advocate for Bible translation and literacy. For the past 33 years, he has served in multiple roles in project management and resource development within the Bible translation movement in Mozambique, South Africa, and Canada. He joined OneBook in 2007 when he was seconded from Wycliffe Bible Translators.



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Regional Representative

Marvin Busenius

Marvin grew up in Edmonton and has the heritage of a strong Christian family. Sensing God's call on his life, he prepared for ministry by attending university and seminary. Relationships are a priority in Marvin's life, and he believes they extend into pastoral care and Kingdom impact, whether formal or informal. Marvin has a passion for ministry and Kingdom causes, especially the importance and authority of God's Word. 

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Communications/New Media Consultant

Morgan Stewart-Hartman

Morgan is passionate about language, theology, and social media. She has a BA in Psychology, MA in Christian Studies, and Digital Marketing Certificate. In her spare time she enjoys music, cardmaking, and writing.



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Contract Writer

Suzanne Benner

Suzanne is passionate about studying God’s Word to know Him better. She loves hearing how God is at work in an individual’s life. That makes writing for OneBook her dream job. Since 2010, she has had the privilege of sharing people’s stories – how God’s Word in their own language has changed their lives – with donors.