ORANGE COUNTY

William B. Patton Jr. has been named president and chief executive of MAI Basic Four, a Tustin computer maker.

Patton, 49, succeeds William Weskel, who had been the company’s acting president since it was purchased in March by Bennett S. LeBow, a private New York investor. Weskel now becomes Basic Four’s vice chairman and chairman of the executive committee.

Patton, who will take over his new job next Monday, comes to Basic Four from CADO Systems Corp., where he was president and chief executive. Patton has also held management positions with Ampex International, MSI Data Corp. in Costa Mesa and Honeywell.

Pacific Regency Bank said Dr. Leo B. Devlin was elected chairman as part of the bank’s policy to annually rotate the posts of chairman and vice chairman. Devlin, an anesthesiologist at Mission Viejo Community Hospital, replaces Robert O. Jacobs, who was named vice chairman. Both men have been members of the bank’s board since Pacific Regency’s inception in March, 1984.

Terry L. Nagelvoort has been named to the board of Fullerton-based Ropak Corp., a shipping container manufacturer. Nagelvoort, 42, is managing director of Nagelvoort & Co., a New York investment banking firm he established earlier this year. The appointment expands Ropak’s board to seven.

Philip R. Schimmel, 32, has been elected an audit partner in the Newport Beach office of Peat Marwick Mitchell, the international accounting firm headquartered in New York. Schimmel has been a member of the audit department in Newport Beach since 1976. He is on the board of directors of the California Society of Certified Public Accountants.