Cristian Hesselman directs SIDN Labs, the research arm of the operator of the Netherlands’ national top-level domain, .nl. His work focuses on advancing the Internet and future networks to support the higher degrees of trust that modern digital societies need, for instance through the design and evaluation of more transparent and controllable networks and through large-scale infrastructure measurements. He is also a member of SIDN’s leadership team, part-time associate professor at the University of Twente, chair of the board of directors at NLnet Labs, and a member of the Security and Stability Advisory Committee at ICANN. He holds a Ph.D. (2005) and an M.Sc. (1996) in Computer Science, both from the University of Twente, the Netherlands.