Katie Weber joined Robeco as head of U.K. institutional sales, a spokeswoman said.
The role is new and Ms. Weber is based in London.
Reporting to Alexander Preininger, head of Robeco EMEA institutional sales, Ms. Weber is responsible for growing the firm's institutional client footprint in the U.K.
"She has an impressive track record and extensive distribution experience," Peter Walsh, head of Robeco U.K., said in a news release.
Robeco had £10.5 billion ($13.5 billion) in U.K. client assets under management as of Sept. 30, and £144 billion in total assets under management.
Ms. Weber joined from AllianceBernstein where she was director in the institutional client group for EMEA. Michelle Inskip, managing director, U.K. institutional client group, has stepped into the role and a recruitment process is underway to add to the team, a spokeswoman said.