Lonza announced the appointment of Hans Trees as Global Head of Communications, Senior Vice President and member of the Extended Executive Committee. Hans will join Lonza on 1 September 2026 and succeed David Carter, who has led Lonza’s Communications function since 2019.

Hans is a seasoned communications executive with broad experience across communications, strategy and business leadership in global organizations. Most recently, he served as Roche’s Global Head of External Engagement. Over an 11-year career at Roche, he held a number of leadership roles in both the Pharmaceuticals Division and Group functions. Prior to joining Roche, he worked in management consulting at AON and investment banking at Rothschild. Hans holds degrees from the University of Cambridge, the London School of Economics and University of Durham.

Wolfgang Wienand, Chief Executive Officer, Lonza, commented: “I am very pleased to welcome Hans to our One Lonza team. Hans combines communications expertise, strategic insight, financial acumen and deep pharmaceutical industry experience. He has a strong track record of building high-performing teams, navigating complex and fast-changing environments, and strengthening relationships with key stakeholders. I am confident he will make important contributions as we continue to execute our One Lonza strategy and further strengthen Lonza’s position as the market leader in our industry, while also reinforcing connection and alignment across the One Lonza team.

“I would like to sincerely thank David for his leadership of our communications function and for the significant contribution he has made to Lonza over many years. He has been a trusted partner to me and across the organization. We are grateful for his commitment and impact and wish him every success in the future.”