* Avigen Inc., of Alameda, Calif., appointed Thomas Paulson vicepresident of finance and chief financial officer.
* Cephalon Inc., of West Chester, Pa., appointed Christian Lebretonmanager of sales and marketing in France and Michael Mellinkmanager of sales and marketing in Belgium, the Netherlands andLuxembourg.
* Corvas International Inc., of San Diego, named George Vlasukexecutive vice president of research and development.
* Digital Gene Technologies Inc., of La Jolla, Calif., appointed to itsboard of directors, George Rosenkranz, formerly chairman, presidentand CEO of Syntex Corp., of Palo Alto, Calif.
(c) 1997 American Health Consultants. All rights reserved.