Ederyn did his MA in Natural Science at Cambridge, and then D.Phil at Oxford.
After working on research projects at University College London and Johns Hopkins University, he joined BT Enterprises, where he started various new technology businesses in software, cable TV and online services. After 13 years at BT, he moved into technology transfer, first at University of Leeds and then Warwick. Over the next 20 years, he has helped to start over 60 companies, and raise over £50 million of investment and grants for them. These businesses covered a wide range of technologies, including IT, electronics, energy, cleantech, biotech and consulting. Two are now stock market quoted. In 2010 he received the Queens Award for Enterprise Promotion.
Since retiring in 2011, he has worked as a consultant for various smaller companies, and for the universities of Leicester, Salford, Otago, De Montfort and Sheffield Hallam. He is now a non-executive Director of Biosite Systems, a company providing safety, security and productivity solutions to the construction sector.