Rupert Gatti is a Fellow and Director of Studies in Economics at Trinity College, Cambridge. His is also a Director and co-founder of Open Book Publishers - an award winning Open Access publisher of monographs and textbooks. Founded as a non-profit by a group of Cambridge academics in 2008, OBP has now published over 90 new titles and received over 1 million online readers for all around the world. All OBP titles are rigorously peer-reviewed, published in a multitude of printed and digital formats, and distributed through both traditional and non-traditional channels. Authors are not required to pay to publish their works OA, and OBP has been at the forefront of developing an alternative business model to sustain OA publishing - including introducing a successful library membership program which has been adopted by over 100 university libraries globally.