MacLean is a client investment manager with Walter Scott. He joined the firm in 2006 and spent 12 years with the research team, focused on Japanese and U.S. equities. MacLean joined the client service team in January 2019. Prior to joining Walter Scott, he lived and worked in Japan for six years. MacLean holds a BA (Hons) in Japanese and Marketing from the University of Stirling. He passed the level 1 Japanese language proficiency test.