Synta Pharmaceuticals Corp., of Lexington, Mass., appointed Martin Williams vice president of business and commercial development and chief business officer; and Suresh Babu vice president of drug product development.

Transave Inc., of Monmouth Junction, N.J., appointed Donald Hayden executive chairman of its board.

VASTox, of Oxford, UK, appointed George Fleet specialist consultant for the company's carbohydrate chemistry business.

Zelos Therapeutics Inc., of West Conshohocken, Pa., appointed Jay Mohr chief business officer and Martin Stogniew executive vice president of development.