A former sound technician and Executive Director of the California Naturopathic Doctors Association, he first used social media platforms to promote conspiracy theories and ineffective treatments for autism before he became a leader of the anti-vaccination movement although he has no medical background.
[9] Both Facebook and Twitter removed the Stop Mandatory Vaccination accounts from their platform in November 2020, as part of their measures to limit the spread of QAnon misinformation.
[1][3][14][15] Along with other anti-vaccination activists like Andrew Wakefield and Del Bigtree, he seeks to use testimonies of parents who lost young children to causes such as sudden infant death syndrome and accidental asphyxiation but became convinced that vaccines were really to blame for the tragedy.
Stop Mandatory Vaccination circulates a number of those stories, which are highly effective at growing both the revenues of both the anti-vaccination movement and the website.
The anti-vaccine group supports the Republican Party and aims at putting pressure on elected officials by mobilizing a far-right target audience.
[3][11][7] A study found that Stop Mandatory Vaccination was one of the major buyers of anti-vaccine Facebook advertising in December 2018 and February 2019, the other being Children's Health Defense.
[24] In 2018, after it followed up on a parent complaint, the British Advertising Standards Authority had Facebook ads from Stop Mandatory Vaccination taken down for making misleading claims and causing "undue distress."