Ira Malis joined Legg Mason Funds Management Inc., Baltimore, as director of research, moving from the group's brokerage arm, Legg Mason Wood Walker, where he held the same title. He replaces David Nelson, a portfolio manager who headed research on an interim basis. Hugo J. Warns III was hired as director of equity research at Legg Mason Wood Walker, filling the vacancy left by Mr. Malis. Mr. Warns had served as a senior analyst in the equity research department of J.P. Morgan Securities, New York; he was replaced there by analyst David Sheusi.