Masterjohn earned his PhD in Nutritional Sciences from the University of Connecticut, graduating in 2012.
In 2009, Masterjohn published a book review of The Rockefeller Foundation’s Molecular Vision of Life — How the Aims of Eugenics, Social Control, and Human Engineering Shaped Molecular Biology and 20th Century Science written by Lily E. Kay.2)
Masterjohn appeared as an inaugural guest alongside Jessica Rose for the first episode of the Rounding the Earth podcast co-hosted by Liam Sturgess and Mathew Crawford, published July 5, 2022.3)