Our Team

MCA Staff Directory

The MCA staff is small and spread out from Edmonton to Water Valley to Calgary to Pincher Creek.

Tim Wiebe-Neufeld
Executive Minister

Tim brings decades of ministry experience to his role of Executive Minister. Together with his wife Donita he has served as Director at Camp Valaqua and Pastor at First Mennonite Church in Edmonton. Tim’s ministry passions include Christ-centred discipleship, communal expressions of faith at both the local and wider-church level, collaborative discernment, and care for all of creation including the marginalized and vulnerable.


Donna Entz
Director, North Edmonton Ministry

Donna Entz works with North Edmonton Ministry creating spaces where diversity and faith expression are celebrated . She connects English language volunteers with seniors and newcomers wanting to improve their language skills. Community gardening is an additional feature of this partnership with the Edmonton Multi Cultural Coalition. She also facilitates "A Common Word Alberta", an initiative that invites Christians and Muslims to engage each other in yearly dialogues and monthly gatherings. Donna was raised in Fiske, Saskatchewan and spent 30 years in a Muslim community in Burkina Faso .

Tany Warkentin

As treasurer, Tany manages the finances from her home office in Pincher Creek.  She and her family were MC Canada Witness workers in Burkina Faso (West Africa) for almost 6 years. She continues to find fulfillment in serving within our Mennonite Church in a variety of ways.  Currently, she is also the Pastoral Leader of her home congregation, Springridge Mennonite Church.


Ruth Bergen Braun 
Communications Coordinator

Ruth is new to the position of Communications Coordinator taking over from June Miller as of July, 2020. She is passionate about photography and good clear communication and is looking forward to building relationships within MCA. 

Jon Olfert
Camp Valaqua Director

Jon has over 20 years of camp experience including work as a Camp Counsellor, Out-trip Leader, Day Camp Coordinator, and Camp Director.  He has been the Director at Valaqua for 14 years and he and his wife Nikki have taken great joy in watching his three boys grow up under the tall, tall trees.  Jon loves camp and has been honored to bear witness to Valaqua’s incredible impact on the lives of so many campers, staff, and volunteers.

Jeff Schellenberg
Camp Valaqua Manager