In April, Christopher Gessner was named president of the Children's Hospital of Pittsburgh. The institution has about 360 doctors, 220 pediatric residents and fellows, and between 2,500 and 2,800 nurses, pharmacists, therapists, and other employees. Gessner's role includes overseeing Children's relocation next year to a $625 million facility in Lawrenceville, and discusses the process in this interview.