Barry Ritholtz speaks to Heather Brilliant, chief executive officer of Diamond Hill Investment Group. Before joining the firm in 2019, she worked for First State Investments. She has also worked for Morningstar Inc., where she served as global head of equity and credit research before becoming CEO of Morningstar Australasia. She served on the board of the CFA Institute from 2013 to 2020 and was chair of the board in 2018-19.