Contributor profile

Aleszu Bajak

Data Journalist | Lecturer | Grad Programs Manager Northeastern University School of Journalism


Aleszu Bajak is a freelance science journalist and graduate programs manager at Northeastern University's School of Journalism, where he teaches courses and runs research on digital journalism, data reporting and new media. His writing has appeared in The Washington Post, M.I.T. Technology Review and Nature. He is a faculty affiliate with Northeastern's Global Resilience Institute and an affiliate of the NU Lab for Texts, Maps, and Networks.

Aleszu is the editor of, an under the hood guide to digital storytelling from Northeastern's School of Journalism, and, a resource for science news and opinion out of Latin America. In 2016, he was a founding senior writer at Undark, a magazine exploring the intersection of science and society based at the Knight Science Journalism Program at M.I.T. The year before, he launched and edited Esquire Classic, the digital archive of Esquire magazine.

In 2013, Aleszu was awarded a Knight Science Journalism Fellowship at M.I.T. where he explored the interface between journalists, designers and developers between visits to the Muddy Charles. Since then, he has taught courses and led workshops at the Nieman Foundation for Journalism at Harvard, Brandeis University, Harvard Extension School, and Boston University's Storytelling with Data.

Aleszu has been a freelance reporter in Latin America, a producer for the public radio show Science Friday, and once upon a time worked in the gene therapy department at Weill Cornell. His writing has appeared in The Washington Post, the Boston Globe magazine, MIT Technology Review, the Huffington Post, bioGraphic, Esquire, Nature, Science, New Scientist, Beeradvocate, and Guernica, among other outlets. He grew up in New Jersey, Germany and Colombia and has lived in Chile, Peru and Argentina.

Content by Aleszu

APIs for journalism

Whether it's to power a data visualisation, or to populate a news app, we've got you covered with six ways to use APIs for journalism.

Covering issues
Environmental data journalism

Despite the volume of data available, reporting on the environment can be complex and challenging. To help, we asked for your advice and collated these into a roundup of five must-read tips.