![Chicago billionaire Barre Seid secretly used his wealth to try to influence the lives of millions | Crain's Chicago Business Chicago billionaire Barre Seid secretly used his wealth to try to influence the lives of millions | Crain's Chicago Business](https://s3-rd-prod.chicagobusiness.com/styles/1200x630/s3/Pro-Publica-Sept-9-illo-1000x667.jpg)
Chicago billionaire Barre Seid secretly used his wealth to try to influence the lives of millions | Crain's Chicago Business
![Backgrounder on Barre Seid, the Extremist Who Made Leonard Leo an Overnight Billionaire in the Trafficking of Dark Money Backgrounder on Barre Seid, the Extremist Who Made Leonard Leo an Overnight Billionaire in the Trafficking of Dark Money](https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf17817d-b3e2-476f-99c1-93bb2be407dc_378x378.jpeg)
Backgrounder on Barre Seid, the Extremist Who Made Leonard Leo an Overnight Billionaire in the Trafficking of Dark Money
![New Evidence Suggests Chicago Billionaire “Closely Allied” with the Koch Brothers and Implicated… | by Allison Pienta | Medium New Evidence Suggests Chicago Billionaire “Closely Allied” with the Koch Brothers and Implicated… | by Allison Pienta | Medium](https://miro.medium.com/v2/resize:fit:1195/1*fFugm6rn2sqFT37kdd-YBg.jpeg)
New Evidence Suggests Chicago Billionaire “Closely Allied” with the Koch Brothers and Implicated… | by Allison Pienta | Medium
![Barre Seid Height, Weight, Net Worth, Age, Birthday, Wikipedia, Who, Nationality, Biography | TG Time Barre Seid Height, Weight, Net Worth, Age, Birthday, Wikipedia, Who, Nationality, Biography | TG Time](https://www.tvguidetime.com/wp-content/uploads/2022/08/Barre-Seid.png)
Barre Seid Height, Weight, Net Worth, Age, Birthday, Wikipedia, Who, Nationality, Biography | TG Time
![Backgrounder on Barre Seid, the Extremist Who Made Leonard Leo an Overnight Billionaire in the Trafficking of Dark Money Backgrounder on Barre Seid, the Extremist Who Made Leonard Leo an Overnight Billionaire in the Trafficking of Dark Money](https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2Fd4947ba7-4f09-46b0-b258-bd24473cbf72_256x256.png)