He received an offer from Citibank London, but his father's cancer resulted in him leaving HEC Lausanne in 2005 before completing his degree.

[7] He then co-founded NetMerchant, a US to Europe money transfer service, with IPC's head of sales.

[4] In 2009, Pousaz purchased Mauritius-based SMS Pay for US$300,000 over a three-year period to build a next generation payments gateway.

[12] In the Sunday Times Rich List 2022 ranking of the wealthiest people in the UK he was placed 5th with an estimated net worth of £19.259 billion.

[13] In May 2021, Pousaz established a family office, Zinial Growth, focused on the European technology sector.