Earth Tech Inc. has appointed William D. Webb, P.E., executive vice president for its North American operations.

Earth Tech Inc., a business unit of Tyco International, Ltd. and a global provider of consulting, engineering and construction services, has appointed William D. Webb, P.E., executive vice president for its North American operations. Webb will be responsible for managing the operations of the company's consulting and engineering practices in the United States and Canada. He will report to Alan Krusi, president of Earth Tech.