Alliance Trust has placed new managers on its Asia Pacific Equity and Japan Equity funds in a bid to boost performance.
Dominique Strauss-Kahn, the head of the International Monetary Fund, has warned global currency disputes are a "real threat" to the economic recovery.
The Japanese yen hit a new 15-year high against the US dollar today as prime minister Naoto Kan hinted at further currency intervention.
Global markets have rallied on the back of Japan's cut in interest rates, with the FTSE and Dow both up over one percentage point.
The Bank of Japan has cut interest rates to virtually zero in an effort to revive the ailing economy.