![Picture of Peter DeMarco](https://wordpress.wbur.org/wp-content/uploads/2019/09/headshot-cropped-edit-600x600.jpg)
Peter DeMarco
Cognoscenti contributor
Peter DeMarco is a journalist. In 2016, he lost his wife, Laura Levis, to a fatal asthma attack outside a locked emergency-room door. He has since become an advocate for asthma awareness and changes to emergency response systems.