Hans is a TCK, born in Ghana/West Africa. By profession he is an Industrial Engineer. Hans worked for Pampers (P&G) before he turned to fulltime ministry. Hans married to Sabine together they have three kids.
Sabine and Hans prepared to serve as professionals in China. They joint OMF in 1996. Due to medical reasons they were turned down and stayed in Germany. Hans and Sabine first served in student mobilisation (1997), moved to Singapore for a year to serve as Deputy International Director for Mobilisation (2004) and took over the leadership of OMF Germany in 2005. In 2012 they moved to Africa to support African churches to welcome the many Chinese that moved to their continent. In 2015 Hans and Sabine joined the executive leadership team of OMF International responsible for Europe & Africa. Currently they are based in Germany.