John Aylward - Founder, Chief Investment Officer

Jonathan Williamson

Partner, Senior Trader

Jonathan Williamson is a Partner and Senior Trader on the HY team at Sona Asset Management. He brings 11 years of experience in the finance and investment sectors.

Jonathan joined Sona in September 2016 when it began trading and was made partner in January 2025. Jonny started his career in 2014 at Highbridge Capital, working as an Operations Analyst supporting the European High Yield team based in London. In 2016, he joined Sona at inception working as a Trading Assistant supporting the business across all major business lines. Jonny then moved to work on the High Yield business in a supporting function in 2019 before graduating thereafter to assume trading and analyst responsibilities for the portfolio.

Jonny holds a BA in History from Sheffield University.