Siew Yoon is Senior Technical Regulations Specialist in Ofcom and led Ofcom’s recent activity on local licensing in spectrum bands supporting mobile technology. She has over 18 years’ experience in radio spectrum management both in the UK and internationally, focusing on facilitating innovative use of the wireless technology. Amongst others, she has previously led work to open up the 57 - 71 GHz band for un-licensed use, set up the TV white space framework in the UK and led UK position on improving flexibility in the international regulatory framework in the ITU-R.