Izaak studied architecture at the University of Nottingham, Kingston University and the Royal Academy of Fine Arts in Copenhagen and qualified as an architect in 2000. 

Izaak is the cathedral architect for Salisbury, Truro and Llandaff cathedrals, and projects he has led have won numerous RIBA and RICS awards. He has expert conservation knowledge and a passion for design and imaginative public engagement through architectural project work. Izaak is an accredited conservation architect (AABC) and is a member of the Bristol Diocesan Advisory Committee and Bristol Cathedral Fabric Advisory Committee.