First he was a Navy SEAL. Then he went to Harvard Medical School. The moon could be next.

Despite the accomplishments to come, he struggled with insecurity growing up, according to a 2017 profile in the Harvard Gazette. He had a hard time at school and, as his graduation from Santa Monica High approached in the spring of 2002, decided that only a bold move could turn things around. So he enlisted in the Navy as a seaman. He asked a ...