Ad Fontes Media

Ad Fontes Media, Inc.

Formation	2018; 6 years ago (2018)
Founder	Vanessa Otero
Legal status	Active
Products	Media Bias Chart
Website	www.adfontesmedia.com

Ad Fontes Media, Inc. is a Colorado-based, media watchdog, public benefit corporation^[1] primarily known for its Media Bias Chart, which rates media sources in terms of political bias and reliability. The organization was founded in 2018 by patent attorney Vanessa Otero with the goal of combating political polarization and media bias. Ad Fontes Media uses a panel of analysts across the political spectrum to evaluate articles for the Chart.^{[citation needed]}