Christian has worked in the industry since 2010 when he founded tenant referencing company Van Mildert. The business grew to working for about 1,000 or so letting agents, carrying out over 200k references a year. Rightmove acquired the business, now known as Rightmove Landlord and Tenant Services (RLTS) in 2019. Since then, Christian has worked for Rightmove as Head of Lettings Proposition and continues to be on the board of RLTS.