His father was a professor of surgery at the Harvard Medical School; his mother was a financial administrator at the Children's Hospital Boston.
[3] Frank became vice chairman in 2014, a role that shifts his focus to developing relationships with Oaktree's investors and business partners.
[5] Frank is on Chevron Corporation's Board of Directors[9] and is a trustee at Wesleyan University,[10] the Polytechnic School, Good Samaritan Hospital of Los Angeles, and the XPRIZE Foundation.
[5][6] In 1984, he married Diann Hyung Kim in a Presbyterian ceremony at the Harvard Memorial Church in Cambridge, Massachusetts.
[11] In March 2024, the Wesleyan Office of Communications stated that it had investigated and resolved the complaint, claiming that "Mr. Frank responded that he did not remember the student or the incident but conveyed his apologies for any discomfort he unintentionally may have caused.