National Rehabilitation Hospital founder, president, and CEO Ed Eckenhoff will step down effective Oct. 1. Current NRH COO John Rockwood has been named President, succeeding Eckenhoff. Rockwood has been with NRH since 1992. Eckenhoff founded NRH in 1986. In his new role as president emeritus for the hospital, Eckenhoff will serve as a consultant to both the Board and the new president, chair the long-range planning effort, and continue to assist with fund raising efforts.