Arief Sidarto

Mr. Sidarto joined the Macmahon Board in August 2017 and is also a Director of AMNT. His qualifications include an MBA from Harvard Business School and two bachelor degrees with summa cum laude from The Wharton School of Finance and The Engineering School of the University of Pennsylvania.

Prior to joining AMNT in April 2017, Mr. Sidarto held the position of Managing Director and Member of the Board of PT Rajawali Corpora (RC). He was also Managing Partner of Samuel Group from 2009 to 2015 and Managing Director of Wellspring Capital Partners from 2010 to 2014.

Mr. Sidarto was previously with Goldman Sachs New York in 1991 in its Structured Finance Division; before relocating to Hong Kong and then Singapore to run investment banking and corporate finance as Chief Operating Officer.

Mr. Sidarto is currently a member of the Nomination Committee