Matthew Cook, son of Liz and Marshall Cook of Vineyard Haven, is the new president of Riley Hospital for Children at Indiana University Health. Mr. Cook, 47, has worked in the health care field for the past 20 years. He and his sisters Christina and Catherine attended the Tisbury School and Martha’s Vineyard Regional High School.

Riley Hospital sees more than 2.6 million outpatients a year and has a staff of more than 2,000 people.