Biographies

Erik Andersen was employed by IBM for 27 years. and was in the early 1980th appointed by IBM to be the IBM representative in Danish Standards. Became chair of the Danish committee for Open Systems Interconnection standardization and participated in numerous international meetings within ISO/IEC. After leaving IBM, continue to be active in international and European standardization. Was during four study periods rapporteur for the question, is responsible for the ITU.T X.500 series. Has for 15 years or more been the project editor for the ITU-T X.500 series, which includes ITU-T X.509. Is also project editor for three new part of the X.500 series, ITU-T X.510, a coming ITU-T X.508 and the work on interconnecting PKI domains using blockchain.​​

Daniel Apon is Cryptography Lead at the MITRE Corporation, based in McLean, Virginia, and is currently involved in MITRE's effort to stand up a long-term and full-scope industry coalition to accelerate the real-world adoption of Post Quantum Cryptography. Recently, he played a central role in standing up the 1st annual Real World Post Quantum Cryptography workshop in Tokyo (March 2023), which aims to bring together industry, academia, and standardization bodies to help address the core challenges involved in migrating modern computing systems and architectures to total quantum-resistance. Prior to that, he was a member of the National Institute of Standards and Technology's Cryptographic Technologies Group working on the Post Quantum Cryptography standardization project, where he specialized in novel cryptanalyses of Lattice-based Cryptography, Hash-based Cryptography, Code-based Cryptography, and Multivariate-based Cryptography plus a focus on hardware side-channel analysis. Daniel holds a Ph.D. in Computer Science with a focus on Cryptography from the University of Maryland, College Park. After that, he held a Postdoctoral Scholar position at the University of California, Berkeley.​ ​

Steffen Fries is working in the area of cybersecurity within Siemens Technology for more than 25 years. As principal engineer he mainly focuses on the analysis, design, and implementation of secure communication solutions for different verticals. This requires collaborating with system architects, implementers, and product management in order to design secure solutions. Within standardization, he is editor of and contributor to several IEC 62351 documents in the IEC TC for power system automation. Besides this he is active in IEEE to secure time synchronization for the precision time protocol IEEE 1588. In the IETF his main interest is in group key management as well as the management of certificates in PKIs.​ ​

Mr. Jin-Bae Hong  is the Deputy Minister of the Office of Network Policy in the Ministry of Science and ICT of the Republic of Korea since February 2022. He began his career at the government office in 1995. Ever since then he has been working in the information and communication sector. He has devoted himself to establishing the network and security policies at the national level for the country. He was the Director of the Cyber Security Planning Division from March 2013 to March 2016, the Director-General of the Telecommunications Policy Bureau from December 2019 to April 2021, and the Director-General of the Cyber Security and Network Policy Bureau from April 2021 to February 2022 in the Ministry of Science and ICT. In 2021, he contributed himself to a great extent to set up the policy to create a safer environment for cyberspace, focusing on ransomware threat response, talent development, and industry promotion for cybersecurity, as well as strengthening response capabilities against cyber threats and resilience of the private sector. As an incumbent Deputy Minister of the Office of Network Policy, he is now responsible for coordinating overall national network and cybersecurity policy.​

Ms. Zhiyuan Hu got her Ph.D. in computer science in 2002. She worked as a security researcher at Nokia Shanghai Bell Co. Ltd. from 2002 to 2021. Since July 2021, she has worked as Director of Security Research at vivo Mobile Communication Co. Ltd. Dr. Hu was nominated for Vice-Chair of WP2/SG17 (5G, IoT& ITS security) (2021-present), Co-Rapporteur of Q2/SG17 (Security architecture and network security) (2017-present) and Associate Rapporteur of Q2/SG17 (2015-2016). She acted as Chair of OMA (Open Mobile Alliance) security working group (2009-2014) and Vice-Chair of OMA security working group (2007-2008). She also acted as Vice-Chair of CCSA (China Communications Standards Association) TC5 WG5 (Wireless communication security) (2008-2021). She completed to publish more than 20 specifications. ​​ ​

Tunisian born, Dr. Bilel Jamoussi is Chief of the Study Groups Department of ITU Standardization Bureau in Geneva Switzerland. Since 2010, he has been leading the bureau’s standards making activities into a new era characterized by rapid convergence and the need for increased collaboration with vertical sectors and partnership between developed and developing countries. Prior to 2010, Jamoussi worked for a Telecommunication equipment and solutions provider for 15 years in Canada and then in the United States where he held several leadership positions and was granted 22 US patents in diverse areas including packet, optical, wireless, and quality of service. He holds a BSc, MSc and PhD degrees in Computer Engineering from the Pennsylvania State University, USA. He is fluent in Arabic, French, and English and speaks some Spanish and German.​​

Hoyt L Kesterson II is a Senior Security & Risk Architect with Terra Verde. He has more than 40 years of experience in information security. For 21 years he chaired the international standards group that created the X.509 public-key certificate, a fundamental component in digital signature and securing web transactions. He is a co-chair and founding member of the ABA’s Information Security Committee. He is a testifying expert. He is a PCI QSA who helps clients meet compliance requirements for ensuring that the integrity and confidentiality of payment card data are maintained. He holds the CISSP and CISA certifications.​​

Hans Hyungsoo Kim has worked at KT (Korea Telecom) corp. R&D part from 1993. He had successfully led outstanding projects in relation to B-ISDN (Broadband-Integrated Digital Network), NGN (Next Generation Network), IP QoS (Quality of Service), Green ICT, Smart Grid, 5G and AI. Now he is responsible for leading the Quantum Technologies, as a Director of Quantum Infra Innovation Project in KT. Dr. Kim has a Ph.D. in electronics engineering from Kon-Kuk University. In addition to his role in KT, Dr. Kim has participated ITU-T based international standards activities, since 1997. Now he is working as a vice-chairman for ITU-T Study Group 13, Chairman of Working Party 1/SG13 and a vice-chairman of FG QIT4N.​

Mr. Kovac, CEO of the QRC group of companies (Quantum Resistant Cryptography), is a co-editor of ISO/IEC JTC1 SC27 18033-2 Amd2 with the goal to add « post quantum » ciphers to that standard likewise the editor of ITU-T X.1197 Amd1 (2019), the first ever comprehensive quantum resistant cryptography recommendation, followed by X.1811 which provides it with a good practice for use in 5G networks and H.551 which extends its recommended use to vehicular multimedia. He is also the main driving force of European cryptography standardization.​

Carl Leitner, Ph.D. is a Technical Officer with the World Health Organization, Geneva. He is the former Technical Director of Digital Square at PATH and Associate Director of Health Workforce Informatics at IntraHealth. Carl Leitner brings more than twenty years of experience in informatics, information technology, software development, and education including more than fourteen years of designing and adapting health information systems in low- and middle-income countries. Leitner has worked closely, in a variety of roles, with many digital health global goods. Leitner also regularly engages with health informatics standards development organization and has co-authored several health informatics standards.

J​ean-Paul Lemaire worked between 1978 and 1996 as civil servant in University Paris Diderot in charge of systems, networks and security. Since 1998, he is involved in standardization of ASN.1 then also Directory. Since 2017, he is Rapporteur of Q11/17 (Generic technologies to support secure applications) and, also Convenor of ISO/IEC/JTC 1/SC 6/ WG10 (Directory, ASN.1 and registration). He is also lecturer in Gustave Eiffel University (France) and works also as consultant in development of applications related to security.

Xiaoya Yang serves as the Counselor of ITU-T Study Group 17 ‘security’ since 2017. With 20+ years of professional experience in telecommunication regulation, legislation and international standardization and coordination, she was the Head of the WTSA Programmes Division in the Telecommunication Standardization Bureau of the International Telecommunication Union (ITU-TSB) from 2010 to 2016, Co-counsellor of ITU-T Study Group 2 on 'Operational aspects of service provision and telecommunications management' and Study Group 3 on 'Tariff and accounting principles including related telecommunication economic and policy issues' from 2009 to 2010; Counselor of ITU-T Study Group 17 on 'Telecommunication security' from 2007 to 2008; and Workshop Project Coordinator from 2004 to 2006. Before joining ITU, she worked in the Ministry of Information Industry of China from 1998 to 2004. There she was the Division Director responsible for regulation of Internet and information security. From 1997 to 1998 she worked in China Telecom as a network engineer and service manager in their Internet service department. She has a M.S. in Computer Science from Tsinghua University, China and a MBA from Polytechnic University, Hong Kong.​

He is Chairman of ITU-T SG17 (Security). He is working as a professor for the Department of Information Security Engineering of the Soonchunhyang University, Korea from September 1990. He is currently the Director of SCH Cybersecurity Research Centre from Dec. 2013. He is a Commissioner for Personal Information Protection Commission from August 2020. He began participating in ITU-T SG 17 in 2003 and has actively contributed to the work of SG17 as a core member of security experts. He was an associate Rapporteur of SG 17 Question 10/17 from 2003 to 2004. For the Study Period (2005 – 2008), he served as a Rapporteur of Question 9/17. He was a Vice Chairman of ITU-T Study Group 17 from 2009 to 2016. He was a Chairman of Working Party 2 (Application Security) of SG17 for the Study Period (2009–2012) and was a Chairman of Working Party 3 (Identity management and cloud computing security) of SG17 for the Study Period (2013–2016). He has been a Project Editor for many approved ITU-T Recommendations or agreed Supplements in DLT security, authentication/application protocols, de-identification techniques, USN/IoT security, 5G security, and cybersecurity. He is a Chairman for the ISMS/PIMS certification committee in Korea since 2007, and a Board director for Korea Information/Security agency from May 2020. He was a member of advisory committee to the Korea national security office for the Office of the President, Republic of Korea from October 2018 to May 2022, a president of KIISC (Korea Institute on information security and cryptology) in 2011 and is an emeritus president of KIISC. He had worked for ETRI as a senior research engineer from 1982 to 1990. He had been involved in developing high speed transmission system. He had been involved in many (advisory or self-performance evaluation) committees for the Korea Communications Commission (KCC) from 2008 to 2016, the Ministry of Science, ICT and Future Planning (MSIP) from 2013 to 2017, the Ministry of Industry and Energy (MoTIE) from 2015 to 2017, Ministry of Science and ICT from 2017. He had been involved in self-performance evaluation) committees for the Ministry of Science and ICT since 2017 to 2019. He had been the chairman for the committee on information security in the PyeongChang Organizing Committee for the 2018 Olympic & Paralympic Winter Games from January 2015 to May 2018. He received a bachelor’s degree in 1981, a Master degree in 1983, and a Ph.D. degree in 1990, all in Electronics Engineering from Hanyang University, Korea. ​

Dimitris Zacharopoulos is the PKI Manager of a Publicly-Trusted Certification Authority/Trust Service Provider called HARICA​. HARICA participates in many different industry fora and organizations like the CA/Browser Forum, the PKI Consortium, the Accredited Conformity Assessment Bodies Council - ACAB'c, and the European Telecommunications Standards Institution - ETSI. HARICA is supported by the Greek Universities Network, a non-profit civil company in Greece with the Greek Universities as stakeholders, which offers the full range of Publicly Trusted Certificates (TLS, Email Protection, Code Signing, Document Signing), Remote Signature and Timestamp Services. In 2018 Dimitris was elected Chair of the CA/Browser Forum and its Server Certificate Working Group for a 2-year term (2020-2022). He was recently re-elected Chair of the CA/Browser Forum for the term 2022-2024. He is involved in Cybersecurity since 1995, PKI since 2001 and actively contributes in the development of industry standards for the last 10 years.​​