* Kenneth M. Potalivo has joined Cal-Surance...

* Kenneth M. Potalivo has joined Cal-Surance Cos. in Orange as senior vice president and manager of its commercial division. He was previously president of his own executive management firm. Potalivo has also served as president of T.D. Service Co., executive vice president and chief operating officer of T.D. Service Financial Corp., and district sales manager for Nationwide Insurance Cos.