


Dr. Jennifer Veitch
President, CIE

Dr. Diana Wernisch
Secretary General, CIE
Welcome to CIE 2025 in Vienna
We are excited to invite you to Vienna, renowned for its cultural richness and recognized as one of world’s foremost hubs of musical excellence, to join us in the CIE’s Midterm Meeting 2025!
The CIE Midterm Meeting features the Scientific Conference CIE 2025, to be held from July 7-9, 2025. This three-day conference brings together the CIE community and its stakeholders to advance the science of light and lighting, as well as the technical and organizational work of the CIE. The scientific conference will be preceded by the CIE General Assembly and other administrative meetings from July 4-6, 2025, and followed by the CIE Division and Technical Committee (TC) meetings on July 10-11, 2025.
Our Latest News

Stay tuned for the latest updates on the CIE Midterm Meeting 2025, including venue details, speaker announcements, and schedule highlights. We’ll keep you informed about all key developments leading up to the event.
CIE 2025 Welcomes Heliobus as a Silver Sponsor
We are pleased to welcome Heliobus as a Silver Sponsor for the CIE 2025 Midterm Meeting. Heliobus is a leader in daylight technology, offering innovative [...]
CIE 2025 Welcomes QRAD as a Bronze Sponsor
We are pleased to announce that QRAD has joined as a Bronze Sponsor for CIE 2025 Midterm Meeting. QRAD Inc. is an innovative start-up based on [...]
Hotel Suggestions for the CIE 2025 Midterm Meeting in Vienna
For a seamless and convenient experience during the CIE 2025 Midterm Meeting in Vienna, we recommend booking hotels along the U1 subway line, as all [...]
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