TOP 100 LEADERS

Florence Tinsley-Roy

Global Chief Procurement Officer PwC

Thomas Udesen

Chief Procurement Officer Bayer

Global Chief Procurement Officer since February 2022 , Florence Tinsley-Roy has expertise in transformation of procurement teams and developing local and global strategies and multinational teams .

She joined PwC in 2018 as Global Technology Procurement Leader , before moving on to Global Procurement Leader where she led a team which negotiated global agreements for the benefit of the PwC network firms , in the areas of technology , data / knowledge , travel and marketing , while co-leading the supply chain workstream for PwC ’ s net-zero Program .

She joined PwC from EY , where she held a number of roles : most recently as Director of Global Procurement , where she led a global procurement team of 150 professionals , responsible for the management of a $ 2 billion spend portfolio of indirect spend categories , as well as the deployment and management of source to pay processes and platforms .

Prior to EY she also held roles at AstraZeneca , where she led the global procurement team for IT Infrastructure spend , and at Barclays .

She has an MBA in Business Strategy and Procurement from the University of Birmingham , and has expertise in strategic sourcing and change management .

Consulting United Kingdom

Thomas Udesen leads the dynamic procurement function at Bayer , the global pharmaceutical and biotechnology company .

' Health for all , hunger for none ' is Bayer ’ s vision and the guiding principle for Udesen and his leadership team , who contribute to safeguarding the reputation of Bayer by unconditional adherence to the principles of sustainability , with proactive risk management and by ensuring compliance .

Sustainability is a matter close to Udesen ’ s heart , inspiring and driving him beyond his Bayer duties . With the Sustainable Procurement Pledge SPP ), Thomas co-founded this bottom-up , grassroots initiative together with Bertrand Conqueret . SPP strives to activate one million SPP Ambassadors around the globe to drive a much needed change towards responsible behaviour and sustainable decision-making across all supply chains .

Udesen has held a number of roles at Bayer over the last nine years , and before being made Chief Procurement Officer he was CPO , SVP Chief of Procurement . He joined Bayer from Johnson and Johnson , most recently as Vice President and Chief Procurement Officer . He has an MBA in Business Management from the Cranfield School of Management .

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