Kim Steinfield

Kim Steinfield

Kim (BA, ICF coach) grew up as a Third Culture Kid and went into missions in 2002 after marrying Mark. Together with their 3 children, they served in Armenia and Spain before joining Cornerstone in 2024. She has led women’s ministry, taught English, served as family...
Mark Steinfield

Mark Steinfield

Mark (BTh, MA in NT) left Canada in 1998 to minister cross-culturally in Ukraine, Armenia, and Spain before joining Cornerstone in 2024. He has taught Bible and theology courses internationally, directed Bible School programs, co-pastored an international church, and...
Roos de Waaij

Roos de Waaij

Roos (BA, MA Missiology) and her husband Arjan served in Zambia for a year before starting their studies at Cornerstone. After completing these studies in 2010, Roos, Arjan and their four children spent five years in Burkina Faso and Mali, where Roos worked with...
Jens Auer

Jens Auer

Jens (BA equiv. Forest engineering) After having worked in forestry for six years he and his family lived in Senegal/Westafrica for 12 years before coming to Cornerstone as staff members in 2018. From 2001-2003 he and his wife had been students at Cornerstone...
Conni Auer

Conni Auer

Conni (BA equiv. Primary Ed) developed a special love for missionary families and their specific needs while being dorm mum and director of Bourofaye Christian School in Senegal. She is passionate about seeing personal and spiritual growth in young and also not so...
Johannes Böker

Johannes Böker

(MTh equivalent) trained as a motor mechanic and studied theology in both Tübingen, Germany and Adelaide, South Australia. He then worked as a pastor with the German protestant Church, before joining WEC in 1993. Johannes worked at a bible school in Guinea-Bissau as a...