Simon Fondrie-Teitler

Infrastructure Engineer

Simon Fondrie-Teitler kept The Markup’s servers secure and stable. He left in June 2023.

Before joining The Markup, he worked as a software developer, systems administrator, and SRE for various startups as well as The University of Wisconsin–Madison.

He has also contributed to Free Software projects, including Debian and MediaGoblin.

Illustration of the outlines of a Facebook ad, with a question mark in the middle. Various pills are falling throughout the composition.

Citizen Browser

As Demand for Medication Abortion Increases, Facebook Allows Ads for Potentially Dangerous “Abortion Reversal” Procedure

The ads appear as the company faces criticism for limiting content about medication abortions

July 19, 2022 06:00 ET

A red emergency sign outside Neemours Children's Hospital

Pixel Hunt

This Children’s Hospital Network Was Giving Kids’ Information to Facebook

When parents scheduled an appointment for their children on the Nemours page, Facebook received that information

June 21, 2022 13:00 ET

Illustration of a greyed out web browser showing a hospital portal. A white hand behind it is pulling off a strip of the browser and pills are falling out of that strip. There is a blue glow behind the edge of the browser window.

Pixel Hunt

Facebook Is Receiving Sensitive Medical Information from Hospital Websites

Experts say some hospitals’ use of an ad tracking tool may violate a federal law protecting health information

June 16, 2022 06:00 ET

Citizen Browser

Facebook Promised to Remove “Sensitive” Ads. Here’s What It Left Behind

Facebook pledged to remove race, health conditions, and political affiliation from ad-targeting options, but The Markup found advertisers can still easily target the same people

May 12, 2022 08:00 ET