BioAdvance, of Philadelphia, added Mark Schweiker to its board.

Bavarian Nordic A/S, of Copenhagen, Denmark, appointed René Djurup vice president of technical operations and chief technical officer and Paul Chaplin general manager of its German subsidiary.

Cerus Corp., of Concord, Calif., added Timothy Anderson to its board.

ISTA Pharmaceuticals Inc., of Irvine, Calif., added John Chandler as medical director.

MethylGene Inc., of Montreal, appointed Nafsika Georgopapadakou vice president of infectious disease.

QLT Inc., of Vancouver, British Columbia, added Maurice Wolin as vice president, clinical research and medical affairs. It also promoted Mohammad Azab to executive vice president, research and development and chief medical officer.

ReGen Biologics Inc., of Franklin Lakes, N.J., named Abhi Acharya to its board.

Salmedix Inc., of San Diego, added Andrew Dorr as chief operating officer.

Samaritan Pharmaceuticals Inc., of Las Vegas, appointed Erasto Saldi to its board.

Xerion Pharmaceuticals AG, of Martinsried, Germany, appointed Anil Singhal chief drug development officer.

Vela Pharmaceuticals Inc., of Lawrenceville, N.J., added Harley Liker to its scientific advisory board.