NIST Post-Quantum Cryptography Standardization (Q12a) Dr. Lily (Lidong) Chen is a mathematician and the manager of Cryptographic Technology Group in Computer Security Division, NIST. Her areas of research include cryptographic protocols, zero-knowledge proof, special featured digital signature schemes, network security, and security for wireless and mobility. Dr. Chen has twenty-year experience in academic and industry on cryptography research and applications before she joined NIST in 2005. Dr. Chen has actively contributed to cryptography and security standards in various organizations.