Anokha Ratnayake
Scientific Director of ADC Chemistry Pfizer
Anokha Ratnayake served as Director of Discovery Chemistry at Nurix Therapeutics from 2023 to 2025, where she led teams and platform innovation across early drug discovery with a focus on degrader antibody conjugates (DACs) and DNA‑encoded libraries. She spearheaded the creation and advancement of Nurix’s DAC platform, driving linker design, bioconjugation workflows, in‑house analytical capabilities, and IP‑enabling innovations. Previously, Anokha spent over 16 years at Pfizer, where she contributed extensively to bioconjugation chemistry, DEL technology, and natural product‑derived payload design. She is recognized for her cross‑functional leadership, analytical expertise, and commitment to developing next‑generation therapeutic modalities.