Sebastian von Ribbentrop is a Founding Partner at Join Capital, bringing over 25 years of experience in private equity, real estate, and venture capital.
Sebastian von Ribbentrop is a founding partner of JOIN Capital. He focuses on investments across various stages and sectors including industrial vertical software, defence technology, and breakthrough component manufacturing. With over 30 years of experience in the private assets sector, he has successfully established and managed various pioneering companies and closed-end funds.
Sebastian actively serves on multiple boards from the future of compute at 2DPhotonics, revolutionising defence with fibre optic sensing for early warning systems with Optics11 to infrastructure-free navigation for Opteran.
Sebastian holds degrees of Computer Science and Finance from Humboldt University in Berlin, Germany.
Marili Männik became eu-LISA’s Deputy Executive Director on 16 August 2024. She has also been appointed Executive Director ad interim by the Agency’s Management Board, a function she will hold until the recently selected Executive Director will take up his duties.
Serial entrepreneur with a proven track record in securing investments and extensive experience managing the international business of a defense conglomerate (UDI) with a turnover of $1B.
Klaus Welle chairs the Martens Centre’s Academic Council since April 2023. In May 2025, he was appointed Special Advisor to the Commissioner for Defence and Space.
As Managing Director, Europe, Isabelle Roccia leads the IAPP’s Brussels office and engages with senior industry leaders, policymakers, regulators and civil society, keeping IAPP members informed and apprised of local developments in privacy, AI governance and digital responsibility.
Dr Sebastian Hallensleben is the Chair of CEN-CENELEC JTC 21 where European AI standards to underpin EU regulation are being developed, and co-chairs the AI risk and accountability work at OECD.
Ingrid Romijn is the CEO of Q*Bird, a Delft-based leader in quantum-secure communications, building ultra-secure networks that safeguard critical infrastructure today and prepare organisations for the quantum internet of tomorrow.
Clayton Williams is the Managing Director of In-Q-Tel, where he manages In-Q-Tel’s relationship with the UK government and is responsible for identifying, investing, and guiding In-Q-Tel’s portfolio of deep tech start-up technology across Europe, Middle East, and Africa.
Background in Physics (Astronomy, Plasma Physics), I spent an equal amount of time working at a Supercomputing Centre and at a Technology Company for overall a quarter of a century.
Hanna Myshko
Regional Director for Ukraine, Moldova, and the Gulf States
Zoe Stanley-Lockman works in the Innovation Directorate of the NATO Defence Industry, Innovation and Armaments Division, where she spurs rapid adoption of technologies in defence and innovation cooperation with Ukraine.
Dan is the Managing Director of Vanguard Europe, a mission-driven consultancy in Brussels focused on AI, emerging technologies, and defense, and the EU Director of the Transatlantic Policy Network.
Gregory (PhD) is the Head of the Europol Innovation Lab whose mission is to help the European law enforcement community to make the most of emerging technologies by developing innovative solutions to improve the ways in which they investigate, track and disrupt terrorist and criminal organizations.
Suzy Wild leads Anthropic’s External Affairs in the EU. She has worked in European politics for nearly 20 years, including as an adviser to MEPs on justice and home affairs, security, digital policy, and transatlantic relations.
Max Konstantinovsky is the CEO and Co-Founder of Organized Matter. A three-time founder, he specializes in technology commercialization for climate tech and robotics.
Graham Webber is the Defence Counsellor in the UK’s Joint Delegation to NATO. Previously, he was Head of the Security Policy Department in the Foreign, Commonwealth and Development Office, leading for the FCDO on deterrence and strategic stability.
Vsevolod Chentsov, Head of the Mission of Ukraine to the European Union and the European Atomic Energy Community, was appointed Kyiv’s top diplomat in Brussels in August 2021.
