Christian joined AHMM in 2008 after working on international projects in Germany and London. He worked on Kirk Balk Community College in Barnsley, William Street Quarter in Barking - the first privately funded social housing scheme in the UK - and the refurbishment of BBC Studios 1-3 at Television Centre. More recently, Christian has had a client monitoring role on The Ray Farringdon, a mixed use scheme on a prominent site in London. He has most recently been working on Egham Gateway, a new mixed use development in Surrey. Christian was made an Associate in 2021.