Arcadis has announced changes to the executive leadership for its U.S.-based Water Division. Effective January 1, 2013, Dr. Michael J. MacPhee assumed the role of Water Division President. He succeeds Ken Spiker who has held key roles and leadership positions within the Water Division for the last 25 years.

Spiker's new responsibilities will focus on bolstering strategic direction to support the company's growth while retaining client-focused relationships.