Kevan was born and raised in Edinburgh, Scotland. He graduated from Loughborough University of Technology with a BSc in Economic and Technological History and Social Psychology in 1975. Kevan began his career as a lighting designer for rock bands including Jethro Tull, Ultravox, XTC and Steve Hackett.
In 1989 Kevan returned to his native town of Edinburgh to practise as a lighting designer in the architectural and exhibition area, establishing KSLD. While building up the practice, Kevan retained an involvement in light art, collaborating during the 1990's on light sculptures and light and sound installations.
As Design Director of KSLD, Kevan maintains a supervisory and executive role in all of the practice's projects. Always seeking to keep at the forefront of developing technologies, Kevan is considered an industry expert on LEDs, and the practice has become known for it’s innovative use of this technology.
Kevan is active within the lighting profession, passionate about driving the profession forward and achieving recognition for this relatively young field. He is professional member of the IALD (International Association of Lighting Designers). Between 2008 and 2011 Kevan held the post of Director of Sustainability within the PLDA. He is also a Member of the Society of Light and Lighting, as well as a Chartered Engineer status through the Institute of Lighting Professionals. Kevan is dedicated to lighting education and gives frequent lectures at conferences and events. He has an extensive knowledge of research techniques and lighting technology.
In 2013 Kevan was awarded Lighting Designer of the Year at LUX Awards.