Hugh is a Professor of Astronautics and a member of the SERENE Group at the University of Birmingham. He has worked in the fields of space debris and space sustainability for more than 20 years and is the author of the DAMAGE and RENEGADE space debris models. Hugh represents the UK Space Agency at meetings of the Inter-Agency Space Debris Coordination Committee (IADC) where he has chaired Working Group 2 (which is focused on space debris modelling). Hugh has also represented the UK Space Agency at Scientific and Technical Sub-Committee meetings of the United Nations Committee on the Peaceful Uses of Outer Space (COPUOS) as an expert on space debris, space operations and space situational awareness. In addition, he was a UK Space Agency delegate to the Space Mission Planning Advisory Group, which was set-up by the UN COPUOS to develop plans for spacecraft to monitor and mitigate the threat that asteroids and comets pose to the Earth. Hugh is a member of the Astra Carta Advisory Council, the AIAA Space Sustainability Task Force, the Royal Astronomical Society's Satellite Constellation Working Group, and the Clean Orbit Foundation Advisory Board. He provides expert opinion to academia, industry and government, and commentary to journalists worldwide. Hugh has appeared on the BBC's Horizon and Sky at Night television programmes and in a special feature accompanying the DVD and Blu-Ray release of the movie "Gravity".