John Onoda has been appointed senior vice president and chief communications officer of the Charles Schwab Corporation of San Francisco. Previously, Onoda was executive vice president for corporate relations at Visa USA of Foster City, Calif.
Dawn Kahler has been named vice president of marketing and communications for the Rydex Funds of Rockville, Md. Kahler was formerly senior vice president of marketing at Wisenberger of Rockville, Md., a Thomson Financial company. Also, John Cadigan was promoted to vice president and national sales manager for the broker/dealer channel at Rydex. Previously, Cadigan was regional sales manager in Rydex's Boston office.