The Illuminating Engineering Society (IES) is proud to announce the formation of a new entity dedicated to furthering Diversity, Equity, Inclusion, and Respect (DEIR) in the lighting industry.

The Illuminating Engineering Society (IES) is pleased to announce it has appointed a new Editorial Advisory Board and team of subject matter experts who will serve as Associate Editors for LEUKOS, The Journal of the IES.

The Illuminating Engineering Society (IES) has announced it has formalised an agreement with the National Council on Qualifications for the Lighting Professions (NCQLP) to assume management of their Lighting Certified (LC) examination and recertification programs, effective January 1st, 2023.

The Illuminating Engineering Society, in partnership with the International Ultraviolet Association, has published its first in a series of American National Standards for the measurement of ultraviolet product emissions. Since its discovery in 1877, germicidal ultraviolet disinfection has been deployed globally to reduce the rate of transmission of tuberculosis and other airborne pathogens in indoor spaces, including SARS-CoV-2, the virus that c...

The Illuminating Engineering Society introduces standard: ANSI/IES RP-44-21 recommended practice: ultraviolet germicidal irradiation.

The Illuminating Engineering Society (IES) is excited to announce Colleen Harper, MPA, CAE as its new Executive Director, effective March 14, 2022.

The Illuminating Engineering Society Introduces ANSI/IES RP-45-21 Recommended Practice: Horticultural Lighting