John Griffin

ACN 133 020 443 Pty Ltd. provides digital audience, brand, advertising effectiveness measurement and targeting solutions. It offers online measurement data to premium publishers, agencies, networks, advertisers and researchers. The company was founded by Scott Julian and James Robertson in 2008 and is headquartered in Melbourne, Australia.

Nielsen Holdings Plc engages in the provision of global marketing data collection and analytics services. It operates through the Connect, Media, and Corporate business segments. The Connect segment consists principally of market research information and analytical services. The Media segment handles television, radio, online and mobile audience and advertising measurement, and corresponding analytics. The corporate segment includes unallocated items such as certain facilities and infrastructure costs as well as intersegment eliminations. The company was founded by Arthur C. Nielsen, Sr. in 1923 and is headquartered in New York, NY.