She took up a professorship at Johannes Kepler University Linz on Oct. 1.
The role has remained vacant since Fiona Scott Morton withdrew last summer following French opposition to her appointment.
The Stanford professor will provide economic advice to the consulting firm’s commercial AI division.
David Byrne, Katharine Kemp and Flavio Menezes join the statutory body.
His core research fields include asset pricing and financial econometrics.
He is an expert on monetary economics and joins from the European Central Bank.
The econometrician was previously at the World Health Organization and obtained his Ph.D. from University College Cork.
The macroeconomist takes up the appointment on Sept. 2.
He obtained his Ph.D. from the London School of Economics and earlier in his career worked at Bloomberg L.P.
Alan M Garber has served as interim president of Harvard University since January.