What is the CLD?

The Certified Lighting Designer (CLD) certification is the first evidence-based certification in architectural lighting design in the world. The certification process is designed to assess whether an individual is able to operate as a lead architectural lighting designer in a professional and proficient manner.

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    What is required?

    The CLD is a global benchmark of performance, making it a valuable addition to your existing qualifications and portfolio of work. Earning your CLD sets you apart from your competitors by demonstrating to clients that you have a proven track record in meeting high standards of professional practice.


    Art Collector’s Loft | New York, NY USA
    Lighting Design by Richard Renfro, IALD, Sarah Randall, Fabio Tushiya, Andrew Thompson, Renfro Design Group | Photography © Iwan Baan, Iwan Baan Studio

  • What's New?

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    Watch our latest interview with CLD Katherine Stekr or for more information about the CLD application, watch these videos by CLD Chairman David Becker.

  • Who is eligible?

    To be eligible, you need at least three years of experience as a lead architectural lighting designer and the ability to demonstrate your professional competency. You will be assessed on written responses and evidence submitted from your portfolio – no tests or specific training are required.


    St. Moritz Church | Ausburg, Germany
    Lighting Design by Mindseye | Photography © Marcus Schröther