Cepheid, of Sunnyvale, Calif., appointed Cristopher McReynolds vice president of business development and marketing.
Chesapeake Biological Laboratories Inc., of Baltimore, promoted Vicki Wolff-Long to vice president of laboratory services and project management.
Cryo-Cell International Inc., named Wanda Dearth president and chief operating officer.
Cubist Pharmaceuticals Inc., of Cambridge, Mass., named Susan Bayh to its board of directors. Bayh serves on a number of corporate boards, including Golden State Foods Inc., Anthem Inc. and Emmis Communications.
Cygnus Inc., of Redwood City, Calif., named Richard Eastman medical director, and John Grant, vice president for market development.