In this installment of Senior Member Insights, OPN talks with Ian Ashdown, senior scientist and president of SunTracker Technologies, Victoria, BC, Canada, where he and his team develop lighting-design software for architectural, horticultural, entertainment and health applications. Ashdown is a consultant with more than 40 years’ experience in lighting design, research and development, and software engineering. He is an OSA Senior Member and a Fellow of the Illuminating Engineering Society. He chairs several IES and CIE committees and has published 42 academic papers, more than 100 technical articles, one book and six book chapters. He also holds more than 160 patents and patents pending.