


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 2027 Keynote Speaker Announced: Prof. Xin Zhang
The CIE is pleased to announce that Prof. Xin Zhang, Professor at the School of Architecture, Tsinghua University, Beijing, China, will deliver a keynote lecture [...]
CIE 2027 Sponsorship and Exhibition Brochure Now Available
The Sponsorship and Exhibition Brochure for the 31st Quadrennial Session of the CIE is now available. The brochure outlines a range of sponsorship and exhibition [...]
Call for Contributions and Important Dates for CIE 2027 Scientific Conference
We are pleased to announce that the Call for Contributions for the Scientific Conference of the 31st Quadrennial Session of the CIE will be published [...]













