Jacint Tio has been appointed head of the Spanish investment consulting practice William M Mercer.

Based in Barcelona, his role will be to increase the coverage of the Spanish pension investment performance service. Nick Sykes has joined Mercer's investment consulting practice in London as a senior investment consultant; previously he was head of UK equities at Baring Asset Management. Michael Collins has joined as fixed income and quantitative techniques researcher in the investment consulting practice, joining from AMP Asset Management.