(The Wall Street Journal) -- A star fund manager at money-management firm Janus Capital Group is leaving the firm, at a time when the Denver company is just starting to regain its footing in the mutual-fund business.

Scott Schoelzel, portfolio manager of three mutual funds - Janus Twenty Fund, Janus Adviser Forty Fund and Janus Aspen Forty Portfolio - will end a 14-year long tenure at the firm at the end of this year, Janus said in a statement.