A native New Yorker, Newhouse holds dual English and US citizenship.
Newhouse is the cousin of Samuel I. Newhouse Jr., whose father founded the company as a newspaper publisher in 1922. Under Jonathan's leadership the company's portfolio has expanded hugely, in the early 1990s, when he took over the international arm of the company, the number of magazines under its direction was 30 - today there are approximately 125.
Letter to the Telegraph
On 1 April 2015 Newhouse was one of 103 business leaders who wrote to the Telegraph praising the British Conservative Party's economic policies and claiming a Labour government would 'threaten jobs and deter investment' in the UK.
- Business of Fashion Jonathan Newhouse, accessed 3 April 2015.
- Peter Dominiczak, 100 business chiefs: Labour threatens Britain's recovery, Telegraph, 3 April 2015.