Rusty has pastored several churches in the Chruch of the Brethren and is an ordained minister in that denomination. He has been in the reserve corp of CPT since January of 1999 and has served in Chiapas, Hebron, Oneida and Arizona.

John was born into a Jewish family in the UK in 1928, but has been a Quaker for the past 50 years. He worked mainly as an engineer in lighting research, and also as a university lecturer in architecture. He has been involved in peace and justice activities in the UK for 60 years. He has worked in Israel-Palestine as a Quaker Observer attached to CPT (2002-3) and as an Ecumenical Accompanier (2003). He joined CPT full-time in 2004 and has served in Hebron.