Peter van Erum SFiO - Solution Focus in Organisations · Growing the Solutions Tree - Peter Van Erum interviewed by Wendy van Den Bulck Introduced by Brian Jennings Peter Van Erum has spent most of his working life supporting development in rural communities in East Africa. He began as a volunteer science teacher in Tanzania in 1992 and then as an organisational development practitioner, largely in the agricultural sector, working between Uganda and Tanzania with different development organisations.