ANSI logo
USA flag U.S. Information

SDO: Illuminating Engineering Society


Primary Contact

Brian Liebel
Technical Director of Standards
120 Wall St. - 17th Floor,
New York, NY 10005
Phone: 212.248.5000
Fax: 212.248.5017

Organizational Overview

The IES seeks to improve the lighted environment by bringing together those with lighting knowledge and by translating that knowledge into actions that benefit the public. The IES will build upon a century of excellence to create the premier lighting community dedicated to promoting the art and science of quality lighting to its members, allied professional organizations, and the public.

Scope of Standards Developing Activity

IES standards encompass Recommended Practices, Design Guides, Lighting Measurements, and Technical Memorandums. The IES has approximately 60 technical committees involved in writing lighting standards dedicated to the art and science of lighting design and technology.

International Activities by Region


Pat McGillicuddy
IES 120 Wall St.
17th Floor, New York, NY 10005
Phone: 212-248-5000

IES standards committees invite you to share your expertise in helping future lighting recommendations by submitting an application for membership. Joining an IES standards committee has many benefits:

  • Networking with your peers
  • Learning new perspectives in your area of specialty
  • Contributing to best practice standards
  • Strengthening skills you already have

Follow us on Facebook    Follow us on Twitter    Follow us on LinkedIn
Back to top