Resignation

Telecredit Inc., Los Angeles, announced the resignation of Louis P. Buglioli Jr., 35, who had served as president and chief operating officer since September, 1983. The company, which provides computerized check-verification and credit-card transaction services, did not give a reason for Buglioli's resignation. Chairman and Chief Executive Lee A. Ault III, reached at Telecredit's facility in Tampa, Fla.

Rafael L. Cortada has formally submitted his resignation as president of El Camino College after concluding an agreement to head the University of the District of Columbia. El Camino's trustees are expected to accept the resignation Monday and release Cortada from his contract, which has three years to run. Cortada, 52, will remain at his post here until at least the end of the spring semester, El Camino officials said. He will assume the new position next fall. His resignation is effective Aug.

Transportation Secretary Federico Pena said he formally submitted his resignation to President Clinton, and White House economic advisor Laura D'Andrea Tyson is leaving to teach at UC Berkeley. In a written statement, Pena officially confirmed what had been reported for the past week--that he had decided not to stay on in the administration. Tyson's spokesman, Christopher Dorval, said that she was leaving for family reasons. She will return to the campus in January.

Henri Lewin has resigned as head of Nevada hotel-casino operations for Hilton Hotels, the company said Friday. Lewin said he regrets that he had been an "obstacle" in the Beverly Hills-based company's unsuccessful effort to get a New Jersey casino license early this year. Although Lewin had been involved in controversy before the New Jersey proceedings, the company had retained him in one of its highest positions.

A former defensive coordinator who was fired by Florida football coach Galen Hall played a key role in the events that led to Hall's resignation, a newspaper reported today. Although Florida officials said they learned of extra payments by Hall to the dismissed coach, Zaven Yaralian, through an internal investigation, sources said Yaralian informed the NCAA and Florida on his own, the Palm Beach Post reported.

A Boston University dean accused of plagiarism resigned Friday, saying the misdeed was inadvertent and that he "must have slipped into a black hole." H. Joachim Maitre, dean of the College of Communication since 1987, offered his resignation in a letter to school President John R. Silber, who said he was accepting the resignation "with deep regret." While he praised Maitre's work, Silber said it is the duty of "all responsible scholars and writers to credit their sources."

Kmart Corp. Chief Marketing Officer Brent Willis resigned from the second-largest U.S. discount chain less than five months after he joined the retailer from Coca-Cola Co. Willis resigned for "personal reasons," a Kmart spokeswoman said. The resignation is effective May 7, she said. Willis, who helped Kmart revive its famous BlueLight Special store promotion this month after a 10-year hiatus, couldn't be reached for comment.

Peter Steinmann, president and chief executive of Premier Bank since the Northridge-based financial institution opened five years ago, has resigned. He is the second senior executive to quit during the past two months at the bank, which lost $69,000 the first half of 1986. The leading candidate to replace Steinmann is Robert Giacobbe, who was Premier's chief financial officer and executive vice president until being named acting president upon Steinmann's resignation on Sept. 19.

Lawrence J. Kamm has abruptly resigned as chairman and president of Mobot Corp., only days before shareholders of the financially troubled robot systems maker were scheduled to vote on a proposal to merge the company with a Houston-based firm. Kamm's departure means that Mobot's annual meeting this Friday will be postponed for about 45 days, according to Elaine McNabb, Mobot's corporate secretary and controller.

James S. Gallagher, who helped oversee the expansion of the Pacific Stock Exchange as its president since 1981, announced Friday that he will resign that post to pursue other opportunities. "It's been a long time, and it's time to try something new," said Gallagher, 44, who as the exchange's operations chief oversaw its trading activities and the development of its new equities floor in Los Angeles and options floor in San Francisco.