Leonie De Visser

EMEA Disease Team Leader, Bladder Cancer Johnson & Johnson, Innovative Medicine

Leonie is currently leading the medical affairs responsibilities in the EMEA Region for J&Js leading portfolio in Bladder cancer portfolio. She was previously responsible for the EMEA Precision Medicine strategy and capability for the J&J portfolio across therapeutic areas and leading the strategic partnership engagements with key external stakeholders in the precision medicine ecosystem.

Prior to joining J&J, Leonie held various positions in the life science industry in commercial and medical affairs with specific responsibilities for local and Regional CDx strategies in oncology & CNS. She has a strong scientific background through her PhD and 2 postdoctoral fellowships in Behavioral Neuroscience.

Seminars

Tuesday 31st March 2026
From Bench to Bedside: Ensuring Adoption of Novel Clinical Biomarkers in Bladder Cancer
12:30 pm
  • Understanding drivers and barriers for the adoption of biomarkers in a new disease area
  • Sharing J&Js approach to market shaping through agility and partnerships
  • Future perspectives on how to manage adoption in the evolving landscape and new CDx modalities, such as AI
Leonie de Visser Speaker at 16th World Clinical Biomarkers & Companion Diagnostics Summit Europe