The Directors of DMD are:

David Denny

David Denny is a partner in Longwall Venture Partners LLP, a specialist in early stage technology venture capital, and manager of the Oxford Technology ECF, the Longwall Ventures ECF and the Longwall 3 ECF LP funds.

David holds a MEng in Mechanical Engineering from the University of Newcastle-upon-Tyne and a MBA from Harvard Business School.

Dr Tom Rowbotham

Tom has been in the global telecommunications sector for over 40 years. He joined Vesbridge Partners, one of the most successful VC firms in the USA, from St Paul VC, where he had been a Venture Partner since he retired from British Telecom. In BT he had been in charge of all its Technology Centres, with responsibility for over three thousand people.

Tom co-founded Kimberley Communications (KCC). This was acquired by Flomerics, which was in turn acquired by Mentor Graphics. He has served as a Director to more than a dozen high tech startup companies in the USA, UK and Ireland.

Tom has been active in learned societies, serving as a Director of IEEE, and he is currently a Fellow of the Royal Academy of Engineering, Life Fellow of the IEEE, and a Fellow of the IET. He holds a BSc from Queens University, Belfast, an MSc from the University of Surrey, and a PhD from the University of Nottingham.

He has served on charitable Foundation Boards, including the IEEE Foundation and currently, the ERA Foundation.

Dr Richard Lang

Richard has 40 years’ experience in design and development of microwave and millimetre-wave technology, components and subsystems. He was a founding member of Diamond Microwave Devices Limited (DMD) in 2007.

Prior to setting up DMD, Richard was engineering Director then Technical Director at Filtronic Defence and Programmes Director at Filtronic Comtek. His previous experience includes leading millimetre-wave GaAs MMIC technology at Thorn EMI Electronics and Marconi Space & Defence Systems and working on, imaging systems up to 100GHz. He worked in the USA at General Electric (Syracuse) on HEMT MMICs for phased array antennas.

Richard’s PhD is from the University of Leeds for work on the design of mm-wave monolithic HEMT amplifiers. He is a Fellow of the IET, for whom he has previously been a Professional Group Committee chair for Microwave Devices and Techniques.

David Livesley


David Livesley is an experienced investor in early stage technology businesses and Chairman of Oxford Technology 4 VCT plc.

David holds a BSc from the University of Leeds and an MBA from the Open Business School.