Jeremy Dick has been consulting in tool-supported requirements processes for over 20 years, across a wide range of sectors in the UK and elsewhere, most recently in the Civil Nuclear and Oil & Gas industries. A past chairman of the INCOSE International Requirements Working Group, he has contributed to the development of the discipline, particularly with regard to traceability. Elizabeth Hull is Professor Emerita of Computing Science at Ulster University. She has published extensively on software engineering and requirements engineering. She is a Chartered IT Professional and an Honorary Fellow of the BCS, The Chartered Institute for IT. Ken Jackson has over 40 years experience in the development of real time systems. For 16 years he worked as a requirements management consultant in a wide set of domains including defence, automotive, aerospace and telecommunications. He has contributed to INCOSE and is a founder member of the IEEEcommittee on ECBS (Engineering of Computer Based Systems).