Byron H. Matthews

Lehman Brothers Holdings, Inc. engages in the provision of securities underwriting and investment services. The company is headquartered in New York, NY.

Talent International Holdings Pty Ltd. engages in the provision of technology and digital recruitment solutions. It specializes in contract, payroll, and executive search. The company was founded by Richard Earl in 1995 and is headquartered in Adelaide, Australia.

Quintet Partners Pty Ltd (Quintet Partners) is a private equity firm founded in 2016 by Douglas Farrell. The firm is headquartered in Sydney, Australia.

Exact Radiology Practice Pty Ltd. engages in radiology practice. The firm offers ultra sound, pain management and nuclear medicine and stress testing services. The company was founded in 2008 and is headquartered in Chapel Hill, Australia.

Quintet Yorkway Pty Ltd. operates as an investment manager of private assets. The company was founded by Paul Batchelor, Douglas Farrell, and Michelene Hart and is headquartered in Mosman, the United Kingdom.

Infrastructure Advisory Group Pty Ltd. is an Australian company that specializes in providing diversified and specialist expertise across the entire infrastructure project lifecycle. The private company is based in Melbourne, Australia. The company has led the development and delivery of over $100b worth of world-class infrastructure projects across Australia's eastern seaboard. and has subsidiaries in Australia. The company was founded in 2018 by Isabel Sprackman. Isabel Sprackman has been the CEO since 2018.