In 1998, Slattery co-founded iSeek, a cloud, data centre and connectivity provider that was sold to US firm
N2H2 for 16 million in 2000. In 2001, with
Steve Baxter, Slattery co-founded telecommunications infrastructure provider
PIPE Networks; and the company was sold to
TPG in 2010 for 373 million. The same year, Slattery founded
NextDC, a data centre provider. In 2012 Slattery founded the AsiaPacific Data Centre, a data centre real estate trust; and also SubPartners, a
submarine cable group. The following year Slattery co-founded Biopixel, a filming company specialising in natural history behavioural sequences for both clients and its own specialist library; and in the same year he founded Megaport, a technology networking business that offers scalable bandwidth for public and private cloud connections,
metro Ethernet, and Data Centre backhaul as well as Internet Exchange Services. In 2014 Slattery founded
Superloop, a fibre network infrastructure provider for the Asia Pacific region with networks in Singapore and Australia. He floated Superloop the following year. In 2015 Slattery founded Cloudscene, the world's largest directory of colocation data centres, cloud service providers, and interconnected fabrics. Slattery was inducted into the CommsDay Hall of Fame in 2017 for his major contribution to the development of Australia's telecommunications industry. == Personal life ==