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Andrew King is Professor of Astrophysics at the University of Leicester. He is a long-term visitor at the Astronomical Institute Anton Pannekoek, University of Amsterdam, and a Visiting Professor at Sterrewacht Leiden. He works on accretion theory and its application to interacting binary systems and active galactic nuclei.

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Jean-Pierre Lasota is Research Director Emeritus at the Institute fo Astrophysics in Paris and Professor at the Nicolaus Copernicus Astronomical Center in Warsaw. He works mainly on accretion theory and its application to interacting binary systems and active galactic nuclei.

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Matthew Middleton obtained his Ph.D. from the University of Durham in 2010 and presently works as an Associate Professor at the University of Southampton. He works on a variety of accreting astrophysical objects including X-ray binaries, AGN and ULXs blending theory with multi-wavelength observations.