Mr. Weisehan's resignation was effective immediately.
Since May 2000
Mr. Weisehan, who joined Kia in the late 1990s and was promoted to marketing director in May 2000, could not be reached for comment. A Kia spokesman said he didn't know what Mr. Weisehan's career plans are.
Last fall, Kia hired Peter Butterfield from Ford Motor Co.'s Volvo Cars of North America as executive vice president for sales and marketing and promoted him to chief operating officer a month later. Mr.
$287 million annually
Kia spent nearly $287 million in advertising in the U.S. last year, including $228 million in measured media, according to adage.com estimates and Taylor Nelson Sofres' CMR. Kia ranked 98th on Advertising Age's ranking of Leading National Advertisers.