Ambrose runs Artemis' Atlas strategy and works with Ed Legget managing Artemis’ ‘UK Select’ strategy. He graduated from Oxford in 2005 with a Master's in chemistry and joined the research department at a UK hedge fund. As an equity analyst, he focused on financial services and asset-intensive businesses. Ambrose moved to Artemis in 2013 and became a partner in 2025. He is a CFA charterholder.