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Executive Management: DNA-Encoded Library (DEL) Pioneers

Advancing Small Molecule Drug Discovery

The X-Chem leadership team manages our industry-leading scientific talent to drive success. Of our approximately 200 highly skilled employees, about 80% hold advanced degrees.

Karen Lackey

Chief Executive Officer

Matthew A. Clark, Ph.D.

President and Chief Scientific Officer

Erin Davis, Ph.D.

Chief Technology Officer

Paul J Davie

Chief Business Officer

Anthony D. Keefe, Ph.D.

Senior Vice President, Alliance Management and Innovation

Alex Drijver

Senior Vice President and General Manager, Budapest

Ying Zhang, Ph.D.

Vice President, Chemistry

Marie-Aude Guié

Vice President, Scientific Computing and Data Science

Shawn Johnstone, Ph.D.

Executive Director, Medicinal Chemistry

Small Molecules Hold Exponential Possibilities Find Your Next Drug Candidate With X-Chem

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  • About
    • Who We Are
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    • Executive Management
  • DEL
    • DEL Overview
    • DEL Screening
      • DELability
      • DELflex
      • DELcore
      • DELvalent
      • DELenable
    • DEL Track Record
    • Products
      • ReadiDEL
      • ReadiBLOX
  • Chemistry
    • Medicinal Chemistry
    • Custom Synthesis
    • Med Chem Track Record
    • Products
      • ReadiBLOX
  • Target Class
    • Target Class Overview
    • Protein Protein Interactions
    • Targeted Protein Degradation
    • Covalent Inhibitors
    • Kinases
    • GPCR
  • Resources
    • Blog
    • Resource Center
    • Press Releases
  • Careers
    • Why X‑Chem
    • Job Opportunities
    • Students & Grads
  • Contact Us