All photos in my portfolio are released under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International. Full legal code here.
In other words, you may use my photos for non-commercial purposes as long as you do not modify my work in any way and give appropriate credit. If you are sharing my work online, please re-host the photos somewhere else instead of hotlinking it.
For commercial use, some of my photos are available for licensing through Getty Images. I plan to make all photos on this site available on Getty by the end of 2019.