Provo, Utah--John Slitz Jr., Novell's senior VP-marketing, has resigned from the company effective Aug. 31. Mr. Slitz is leaving ``to pursue other opportunities,'' according to a statement issued by Novell. During his two-year tenure as the company's marketing chief, Mr. Slitz emphasized public relations and oversaw Novell's foray into brand advertising on television. He leaves on a high note: In Novell's fiscal third quarter, which ended July 31, the company reported revenue of $327 million, a 20% increase from the same period in 1998. The company posted net income of $49 million, up 81% a year earlier.