Daniel F. Cain was named president and chief executive officerfor Paravax Inc. of Fort Collins, Colo. Cain is co-founder ofSynbiotics Corp. of San Diego. Paravax develops vaccines for theprevention of parasitic infections in companion animals.

Cellegy Pharmaceuticals Inc. named Gerald Simmons presidentand chief executive officer. He was vice president of newventures at Schering-Plough. The privately held Novato, Calif.,company is focused on the development of dermatologictherapeutics to prevent skin disorders, minimize the effects ofaging and treat chronic skin diseases.

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