Swithun Still started his career in at AgroMarket UK Limited in 1999 in London England, before moving to Paris in 2001 and to 2003 to Switzerland in to work for Agrico Trade & Finance S.A.

In 2009 Swithun joined Alegrow S.A. as Commercial Director, focused on trading grains from Russia & Ukraine. 

In 2011 helped set up Solaris Commodities S.A. & acted as Director & Senior Trader until 2020, when the company was moved from Morges (Canton Vaud to Geneva, under new management.

In 2021 Swithun was the CEO of Rolweg S.A. , part of the Turkish Milling Group, Ulusoy Un and took on other mandates, such as launching the DCX Grains platform in 2022 and working for a Dubai domiciled trader, M-Commodities.

In October 2022 he was appointed as the Commercial Director of Harvest Commodities S.A., based in Geneva.

Swithun had the honour and privilege to serve as the President of GAFTA in 2019. 

He holds a degree in Russian & French from Durham University as well as a Trade Diploma from Gafta.

In his spare time from trading grains he helps to resolve grain trade disputes as a Gafta qualified arbitrator & Appeal Board Member.