AstraZeneca appoints Joris Silon as head of investor relations

8 January 2026

UK pharma major AstraZeneca (LSE: AZN) today revealed it has appointed a new head of investor relations, Joris Silon, who succeeds Andy Barnett effective March 1, 2026, and will be based in Cambridge, UK.

Mr Silon is moving from his role as the country president of AstraZeneca US where he led and delivered significant growth for the company in its largest market. He brings extensive pharmaceutical experience, having joined the company in 2000 and has held leadership positions in Asia, Europe and the USA.

Aradhana Sarin, chief financial officer, said: I am delighted that such a highly experienced and talented leader as Joris will lead our Investor Relations team through our next wave of growth. I would also like to thank Andy Barnett for his remarkable leadership of our Investor Relations team over the past 4 years and wish him the best of luck as he transitions to an important new role within the company.”

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