This document discusses managing research data for open science based on the UK experience. It outlines key aspects of open science such as making research more open, global, collaborative and closer to society. The document discusses mandates for open research data from funding bodies in the UK and EU, including stipulations in Horizon 2020 and requirements from EPSRC. It defines what constitutes research data and examines challenges around research data management, including technology issues, people issues, policy issues and resources. The importance of data skills training for researchers and data professionals is also covered.