Michael John Gregg

Pyefinch Investments Pty Ltd. provides online clinical and practice management software solutions. It offers general practice, specialist practice, pharmacy, allied health and software and it partners. The company is headquartered in St. Leonards, Australia.

Conversant Media Pty Ltd. provides on-line periodicals. It produces engaging premium websites for passionate, intelligent Australians with an interest in sports, culture and lifestyle technology. The company was founded by Zac Zavos and Zolton Zavos in 2007 and is headquartered in Surry Hills, Australia.

Vaya Communications Pty Ltd. operates as a mobile virtual network operator. The firm offers post-paid plans. The company was founded on September 23, 2015 and is headquartered in Parramatta, Australia.

Part of GumGum, Inc., Playground (XYZ) Holdings Pty Ltd. is a leading attention measurement and optimization company based in Sydney, Australia. Powered by attention insight from the Attention Intelligence Platform, Playground xyz's High Impact Rich Media ad formats are built to secure maximum consumer attention for brand advertisers. The Australian company provides unbeatable attention insights and industry-leading attention measurement, optimization, and full-service media solutions to help the world's biggest brands succeed in the attention economy. Playground xyz is at the forefront of the attention-based advertising revolution. The private company was founded in 2015, and the CEO is Rob Hall. Playground (XYZ) Holdings was acquired by GumGum, Inc. on December 16, 2021.

Shearwater Growth Equity Pty Ltd. (Shearwater Growth Equity) is a venture capital firm founded in late 2018 by Zac Zavos, Charles Gibbon and Mike Gregg. The firm is headquartered in Edgecliff, New South Wales.