William Lam, who works in the team’s Asian equities team, and Tony Roberts, who works in the Japanese equities team, will work on the fund with Mr Parks.
The fund has produced a second quartile return of 61.8 per cent in five years to May 10 compared with the IMA Asia Pacific Including Japan sector average of 43.7 per cent, according to FE Analytics.
Invesco said Mr Parks would remain as lead manager and that the fund’s investment process would not be changed.
Mr Lam has worked at Invesco Perpetual since 2006 after joining from Orbis Investment Advisory, where he was a global investment analyst.
Mr Roberts started his investment career in 1995 as an analyst and fund manager with Clerical Medical and joined Invesco Perpetual in 2000 to work alongside Paul Chesson, head of Japanese equities.