We use singlet oxygen to create a better world.

Live life to the fullest, even in a pandemic. Our team uses photodynamic therapy (PDT) to attack and disarm pathogens. The potential is limitless.

Where science meets the real world

Photodynamic Therapy

We are the world’s top PDT experts and inventors.


We're experienced business builders.

Virology and Photobiology

We apply PDT to today's biggest virology challenges.


We help companies design products that shift society from defense to offense.

The Team

Meet the world’s foremost experts at the intersection of virus protection and singlet-oxygen technology.

James Chen, MD
Chief Scientific Officer
Thomas Lendvay, MD
Chief Medical Officer
John Bjornson
Daniel Hoang, MPP
Chief Marketing Officer
Tanner Clark, MD
Research and Product
Singletto Labs
Research Team