People In Brief

Cyanotech dubs Rosenthal interim president: Cyanotech Corp. appoints David I. Rosenthal to serve as president and CEO as the firm seeks a permanent replacement for Andrew H. Jacobson. In a March 1 release, the Hawaii-based functional ingredient firm says Rosenthal has served on the board since November 2000 and most recently was chief financial officer of specialty food and gift product provider Hickory Farms. The board removed Jacobson from the post but did not elaborate on its reasons. According to the firm's Web site, Jacobson succeeded Gerald R. Cysewski as president and CEO in March 2008. Cysewski, who founded Cyanotech in 1983 and is credited with commercializing the large-scale production of microalgae, stayed on as executive VP and chief scientific officer as Jacobson focused on developing a marketing-oriented approach for enhancing the value of the firm's products