Janus Chief Operating Officer Girard Miller will resign as of Jan. 3, Janus announced yesterday, but even so, Chief Financial Officer David Martin will handle most of Miller's responsibilities over the next several months.

Janus spokeswoman Shelley Peterson told MarketWatch.com Miller is leaving due to cost-savings restructuring, although his departure is the second high-level defection in the past two months. Loren Starr resigned in June as chief financial officer, at which time Martin, who hailed from Charles Schwab, was named his successor.

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