Brooks Macdonald has named Ling Au-Yeung as investment director within its AIM portfolio service. Au-Yeung will report to head of the AIM portfolio service, Ewan Millar. She will be responsible for AIM equity research, portfolio construction in addition to developing the fund house's relationships with clients and advisers. Au-Yeung previously worked at Rathbones, where she spent three years as a smaller companies and AIM analyst. Prior to that, she worked at Adam & Company, most recently as associate director of investments. Earlier in her career, Au-Yeung also worked at Anderson Strathern and Aberdeen Asset Management.