Background
O'Callaghan, Barry was born in 1969.
O'Callaghan, Barry was born in 1969.
Bachelor of Laws, Trinity College, Dublin, 1991.
International investment banker Morgan Stanley, Credit Suisse. Chairman, Chief Executive Officer Riverdeep Holdings PLC, San Francisco, since 1999. Chairman Education Media & Publishing Group (EMPG).
Chairman, Chief Executive Officer Houghton Mifflin Harcourt Publishing Company, since 2009.