Philip Roberts owns and operates Delphi Brazing Consultants. He joined Johnson Matthey and Co. Ltd in 1963; so began his 50-year association with the promotion of the principles of "best practice" brazing. During the next 30 years, he occupied a number of marketing and technical posts with the three (then) primary suppliers of precious metal brazing alloys and other silver-bearing products, namely Johnson Matthey, Engelhard Industries, and Degussa AG. In 1996, he created Delphi Brazing Consultants. He is chairman of BSI WEE/19 and CEN/TC121- SC8—involved with British and European Standards, respectively, for technical matters related to all facets of the brazing process. Since 1998, he has been chairman of the European Association for Brazing and Soldering and, since 2006, he has been the principle UK expert on ISO/ TC44-WG3, a group of international brazing specialists who are responsible for the generation and/or revision of new international brazing standards.