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. Her current research is dedicated to counter the threat of quantum computing to current cryptography standards. Her research is looking for new, hard-to-solve problems that will be able to resist the awesome code-breaking power of these machines, and possibly even use them to create unbreakable codes.