John Crosson to exec VP-managing director, Grey Advertising, Los Angeles, from exec VP, Dailey & Associates. He succeeds Steve Blamer, now managing director-chief executive officer, Grey Advertising, London.
Carolyn Chin to exec VP-chief marketing officer, Reuters America Holdings, New York, from VP-external development and strategic projects in corporate strategy, IBM Corp.
Greg Roan and Craig Silverman to senior partner-group creative directors, J. Walter Thompson USA, San Francisco. Mr. Roan had been executive creative director, BBDO Canada, Vancouver; Mr. Silverman was group creative director, Messner Vetere Berger McNamee Schmetterer/Euro RSCG, New York. Also at JWT: Maureen Chan-Lay to creative manager, San Francisco and Los Angeles, from creative manager, BBDO Canada.
John Howard to senior VP-creative director, Ross Roy Communications, Bloomfield Hills, Mich., a new position, from VP-creative director.
Daniel E. Baumann to president-CEO, Paddock Publications, Arlington Heights, Ill., from chief operating officer. He assumes duties formerly held by Stuart Paddock Jr., who remains chairman.
Brooke Thomas to VP-national advertising sales, Guthy-Renker's GRTV Network, Santa Monica, Calif., from West Coast national sales manager, Paxson Communications.
Kevin Mannion to publishing director, CMP Media's Computer Reseller News, Jericho, N.Y., a new position, from publisher.
Moji Adejuwon to director of national accounts and network development for affiliate sales and marketing, Discovery Networks, Bethes- da, Md., from director of new-business development, international channels, Metro-Goldwyn-Mayer.
Susan M. Strubhart to senior account supervisor, Dimac Direct, St. Louis, Mo., a new position, from account supervisor.