Complex sentence: Leslau left a degree studying German at the University of Warwick, to study surveying, and after meeting Sam Rosen, joined the ground rent company of commodities traders Burford Group.
Split into simpler sentences: Leslau left a degree studying German at the University of Warwick, to study surveying. After meeting Sam Rosen, Leslau joined the ground rent company of commodities traders Burford Group.