Jean-Michel Carlo, 51, to vice chairman, Havas Advertising, Paris, from most recently chairman-CEO, BDDP.
Erin Clark, 37, to managing director, Leap Partnership, Chicago, from senior partner, Euro RSCG Tatham.
Michael J. Tower to VP-corporate strategy, Sears, Roebuck & Co., Hoffman Estates, Ill., from VP-partner, consultant A.T. Kearney Inc., Chicago.
Scott Kramer to president-publisher, Buzz Enterprises, Los Angeles, from senior VP-business development.
Mark Richardson to exec VP-account services, Hill, Holliday, Connors, Cosmopulos, Boston, from managing partner, Houston Herstek Favat.
Sean P. Flanagan to publisher, Men's Health, New York, from associate publisher. He succeeds Jeff Morgan, now worldwide publisher.
Michael Colacchio to general manager, Hampel/Stefanides, San Francisco, a new position, from senior partner, director of integrated communications, Ogilvy & Mather Worldwide, Los Angeles.
Ken Segall, 47, to exec VP-executive creative director on AT&T Corp., Y&R Advertising, New York, from creative director on IBM, Ogilvy & Mather Worldwide, New York.
Teri Kinsella to VP-management supervisor, North Castle Partners, Boston, a new position, from advertising manager, Reebok International, Stoughton, Mass.
Tom Dudreck, 43, to exec VP, Leo Burnett USA, Chicago, a new position, from senior VP.
Kim Marder to VP-marketing, software marketer Theatrix Interactive, Emeryville, Calif., from executive director-market and business development. She succeeds Nancy Deyo, who left the company.