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Lesley S.C. Ko, Ph.D.

Cementitious & Sustainable Materials

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A global executive with 25 years of experience, Lesley transforms construction materials through strategic innovation and environmental stewardship. She has pioneered technologies that extend product lifecycles, developed multiple patents, and built high-performing teams that consistently deliver breakthrough solutions in complex industries.

Her work bridges technical expertise with sustainable business models, turning environmental challenges into opportunities for meaningful innovation. With a proven track record of commercializing cutting-edge technologies, Lesley has established herself as a leader who not only develops groundbreaking products but also creates strategic pathways for sustainable industrial advancement.

Areas of Expertise

  • Sustainable Solutions
  • Business Strategy & Development
  • Cement, Concrete and Construction Chemicals
  • Innovation Management and Project Leadership & Implementation

Education

  • PhD in Earth Science / Rock Mechanics, Swiss Federal Institute of Technology (ETH-Zurich)
  • MS/BS in Mineralogy / Geochemistry / Geology, National Taiwan University

Professional Affiliations / Committees

  • Center of Excellence for Preservation and Service Life Extension (P+Ex), Acting Executive Director
  • Concrete Innovation Council (CIC), ACI Foundation, Member and Vice-Chair
  • Strategic Development Council (SDC), ACI Foundation, Member of Technology Management Committee
  • American Concrete Institute (ACI), Committee member of 236 – Material Science of Concrete; 242 – Alternative Cement; 564 – 3D printing with cementitious materials
  • ASTM International, Member C09.23 – Chemical Admixtures; Committee member of C01.14 – Non-hydraulic Cements
  • RILEM Technical Committee, Group Chairwoman for alkali activated materials (RILEM TC 224-AAM) and member for durability testing on alkali activated materials (RILEM TC 247-DTA)
  • EN Standardization Committee, Technical Expert for task group (CEN TC 51 WG6 TG4 – supersulfated slag cement)

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