North American Vaccine Inc., of Columbia, Md., named Thomas Newberry director, investor relations.

Sequenom Inc., of San Diego, appointed Delbert Foit chief operating officer.

Sibia Neurosciences Inc., of La Jolla, Calif., appointed Carla Suto vice president, HTS and technology development.

Vical Inc., of San Diego, named to its board of directors Gordon Douglas, former president of Merck Vaccines.

Visible Genetics Inc., of Toronto, named Dean Winslow vice president of regulatory and clinical affairs, and medical director; Steven Owings director, HIV North American business; Paula Evangelista director of public relations; David Gibbons director of product management; and Christopher Holtzer scientific and medical manager.