General Information

Come join us in Chicago, IL

Dear Colleagues,
The 42nd ASP 2024 Biennial meeting will be held at the Sheraton Grand Chicago Riverwalk, Chicago, IL from 27-30 July 2024. So please mark your calendar. All ASP members and non-members interested in photobiology are invited to attend, share your discoveries, and meet old and new fellow scientists and friends at the meeting. Come join us in Chicago!!

Please use #photobio2024 when posting about the event!


Plenary Sessions
  • Keynote Lectures (Drs. Mauricio Baptista, Akimichi Morita, and Bennett Van Houten)
  • Kendric C. Smith Inter-Disciplinary Symposia on Photobiology (Drs. Nihal Ahmad, John Wyrick, and Huang Chiao Huang)
  • ASP Presidential Lecture (Dr. Shiyong Wu)
  • ESP Presidential Lecture (Dr. Massimo Trotta)
  • ASP Editor Lecture (Dr. Jean Cadet)
  • ASP Research Award Lecture
  • ASP New Investigator Award Lecture
  • ASP Lifetime Achievement Award Lecture
  • ASP Photon Award Lecture
  • “Come See My Presentation” (1-minute presentation with 1 slide)
  • Awards Ceremony & Business Meeting (All are invited)
  • Poster sessions with coffee break

Concurrent Sessions
  • C01. UV Damage and Keratinocyte Carcinoma
  • C02. Narrowband UVB and Photodynamic Therapy
  • C03. Light Harvesting Proteins: Structure, Biogenesis, and Applications
  • C04. Biological Studies of Far-UVC – A Hot Current Topic
  • C05. Development and Use of New Biocompatible Photosensitizers
  • C06. Structures and Light Signaling Mechanisms of Photoreceptors
  • C07. Regulation of Immune System by Ultraviolet Radiation
  • C08. Reshaping the Role of Phototherapy in Dermatology
  • C09. Photoactive Materials and Compounds for Biomedical Applications
  • C10. ASP-JSPP Symposium: Biological Responses to UV Radiation
  • C11. PDT in Combination Strategies
  • C12. Frontiers in Computational Photobiology
  • C13. Genome Cartography of UV Damage Formation, Repair, and Mutagenesis
  • C14. Photoprotection and Photobiomodulation
  • C15. Optical Control of Cellular Signaling
  • C16. Circadian Rhythms, Sleep, and Photoreceptors in Skin Disease
  • C17. Nanotechnology and PDT
  • C18. Photosensitization of Biomolecules: From Model Reactions to the Cell
  • C19. Latest Progress in the Use of Natural Products in Photobiology
  • C20. Photoimmunotherapy for Cancer
  • C21. ASP-ESP Symposium: From Sunlight to Actions and Solutions

Social Events

Kendric C. Smith Inter-Disciplinary Symposia on Photobiology (Complimentary event)
This is a welcoming event scheduled for 6:15 PM – 9:00 PM on Saturday, July 27, 2024. Drs. Nihal Ahmad (University of Wisconsin–Madison), John Wyrick (Washington State University), and Huang Chiao Huang (University of Maryland) will give lectures, followed by discussion with the Lecturers and audience. Food and drink will be provided to all participants. This event is included in the meeting registration fee.

Social Event "Chicago River Cruise" (Ticketed event)
Please join this networking event scheduled for 6:30 PM – 8:30 PM on Monday, July 29, 2024. This is a ticketed event for a 2-hour private cruise along the Chicago River with a tour guide, food, and soft drinks. You can purchase multiple tickets for your friends and partners. $116 per person.

Sign up for pay-your-own-way dinner (Optional event)
Reservations will be made at some of the neighborhood’s most popular restaurants as great networking opportunities.

Poster sessions with coffee break
We will have three 1-hour poster sessions with coffee break.


Located in the heart of the River North district, Sheraton Grand Chicago Riverwalk is an urban sanctuary amid iconic attractions in downtown Chicago. Embrace refined comfort in family-friendly hotel rooms and suites enhanced by essentials such as ultra-comfortable Sheraton Signature Sleep Experience beds and striking views of the lake, river and Chicago cityscape. Delight your palate at our hotel restaurants, from Shula's Steak House to Chicago Burger Company, open seasonally along Chicago Riverwalk. Enjoy our coveted location by the river near Michigan Avenue, Millennium Park, Navy Pier and the Magnificent Mile. Wind down after a busy day of meetings or sightseeing at our sun deck, fitness center with Peloton bikes and sparkling indoor pool. An urban gem in a storied destination, Sheraton Grand Chicago Riverwalk is the perfect home base for your visit to downtown Chicago.

Meeting Venues and Room Information

All Sessions, Meeting and Socials will be held at the:

Chicago Grand
301 East North Water Street
Chicago, Illinois, 60611

During presentations, please turn off all cell phones or set them to vibrate.


Sleeping rooms will be available at Chicago Grand at a rate of $279 single/double plus taxes. The conference rate is available until 5 July 2024 or until the block is sold out. Reduced-rate reservations in the ASP block may be booked by clicking the button below.

Book Now

This is the ONLY way to book a room at the hotel at the ASP rate!!!


Business casual dress is appropriate throughout the meeting. For comfort in the air-conditioned meeting rooms, a light jacket or sweater is suggested.

ASP Registration Desk

The ASP Registration Desk is staffed to check in attendees and exhibitors and answer any questions you might have regarding the meeting. .

Internet Access

Complimentary guest room internet will be provided to attendees staying at the Sheraton, you must be a member of Bonvoy. You can join HERE for free.

Food and Beverage

Morning and afternoon breaks will be provided Monday through Wednesday in the registration area.