James D. Carroll
CEO at THOR Photomedicine Ltd
SPIE Involvement:
Conference Chair | Editor | Author
Area of Expertise:
Low Level Laser Therapy dosimetry , Low Level Laser Therapy mechanism of action , LLLT dosimetry , LLLT mechanism of action , Photobiomodulation dosimetry , Photobiomodulation mechanism of action
Profile Summary

37 years photobiomodulation (PBM) experience (designing, manufacturing, educating, inspiring). Founded the industry-leading PBM company THOR Photomedicine. Collaborates with the foremost Photobiomodulation (PBM) academics in over 50 academic institutions, authored/co-authored 68 PBM papers and contributed chapters to five PBM books. Recognised authority on PBM dose, dose-rate effects, and the measurement and reporting of parameters. Widely Known as "the world's leading ambassador for Photobiomodulation".

THOR’s equipment has delivered more than 36 million treatments.
Customers include: St Jude, Harvard School of Public-Health, MGH, MIT, Brigham and Women’s Hospital, VA hospitals, US Special Forces, NFL, NBA, MLB, NHL, UFC, Olympic teams, tech billionaires and Hollywood celebrities.

Co-Founder and Investor in Lumithera Inc, developing PBM technologies for the leading cause of blindness in the developed world (Dry age-related macular degeneration) and other ocular diseases.

Co-chairs the annual Biomedical Optics Society conference on PBM Mechanisms (2009–present)
Fellow of The Royal Society of Medicine (2009–present)
Editorial Board of Photobiomodulation and Laser Surgery (2008–2013)
Board Member World Association for PBM (2000–2004 and 2018–present)
Board Member North American Association for Laser Therapy (2002–2006)

Notable Speaking Events
Congressional briefing on PBM as a solution for the opioid crisis
White House briefing on PBM as a solution for the opioid crisis
United Nations Global Health Impact Forum presentation on PBM treatment of dry AMD

2020 - World Association for Photobiomodulation Therapy, Presidential Commendation for service and leadership in the field of Photobiomodulation
2021 - T.H. Maiman Award for excellence in medical laser research
Publications (10)

Proceedings Article | 13 March 2024 Presentation
Proceedings Volume PC12826, PC1282607 (2024) https://doi.org/10.1117/12.3023436

Proceedings Article | 13 March 2024 Presentation
Proceedings Volume PC12826, PC1282609 (2024) https://doi.org/10.1117/12.3003448
KEYWORDS: Cancer, Monte Carlo methods, Tissues, Skin, Modeling, Blood, Transmittance, Signal attenuation, Optical properties, Neck

Proceedings Article | 17 March 2023 Presentation
Proceedings Volume PC12362, PC1236207 (2023) https://doi.org/10.1117/12.2656889
KEYWORDS: Clinical trials, Frequency modulation, Fermium, Sensors, Rheumatology

Proceedings Article | 8 March 2021 Presentation
Proceedings Volume 11628, 1162803 (2021) https://doi.org/10.1117/12.2593333

Proceedings Article | 13 March 2019 Presentation
Proceedings Volume 10861, 1086104 (2019) https://doi.org/10.1117/12.2510986
KEYWORDS: Monte Carlo methods, Skin, Phototherapy, Magnetic resonance imaging, Head, Optical properties

Showing 5 of 10 publications
Proceedings Volume Editor (13)

Showing 5 of 13 publications
Conference Committee Involvement (18)
Mechanisms of Photobiomodulation Therapy XVIII
25 January 2025 | San Francisco, United States
Mechanisms of Photobiomodulation Therapy XVII
27 January 2024 | San Francisco, California, United States
Mechanisms of Photobiomodulation Therapy XVII
28 January 2023 | San Francisco, California, United States
Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic and Photobiomodulation Therapy XXX
22 January 2022 | San Francisco, California, United States
Mechanisms of Photobiomodulation Therapy XVI
6 March 2021 | Online Only, California, United States
Showing 5 of 18 Conference Committees
Course Instructor
NON-SPIE: Photobiomodulation 1 h webinars and 8 hour trainings
What is Photobiomodulation, how does it work, what is the clinical evidence, safety, contraindications, regulations, dose and how to treat.
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