Aleszu Bajak
Data Scientist
Cleveland, Ohio, United States
Summary
👤
Senior🎓
Top SchoolAleszu Bajak is a data scientist and former director of data visualization with 11 years of experience turning complex research and public-interest reporting into clear, impactful visual narratives. He built a data-viz team and a scalable toolset from scratch at the Urban Institute, and previously applied statistical, geospatial, and NLP techniques as a senior investigative data reporter at USA TODAY. Comfortable bridging journalism, research, and engineering, he has overseen dozens of dashboards and interactive tools that informed audiences from city councils to Capitol Hill. His background spans science journalism, academia, and hands-on lab work—he once designed viral vectors in a gene therapy lab—and he founded Storybench.org and LatinAmericanScience.org to advance digital storytelling. Based in Cleveland, he pairs a Master’s in Analytics with a storyteller’s instinct for finding the public-interest narrative in messy data.
11 years of coding experience
11 years of employment as a software developer
The English School, Bogotá, ColombiaBA, Biology, Spanish, BA, Biology, Spanish at Amherst CollegeScarsdale High SchoolMaster’s, Analytics, Master’s, Analytics at Northeastern University
Spanish
Github Skills (24)
textual10
rshiny10
drag-and-drop9
sentiment9
sentiment-analysis9
text-mining9
tidytext8
ggplot7
spatial6
reddit6
r6
leaflet6
visualization5
security4
spatial-data4
Programming languages (5)
Github contributions (5)
aleszu/text-mining-course
Jul 2019 - May 2021
This O'Reilly course will introduce participants to the techniques and applications of text mining and sentiment analysis by training them in easy-to-use open-source tools and scalable, replicable methodologies that will make them stronger data scientists and more thoughtful communicators.
Contributions:104 commits, 103 pushes, 1 branch in 1 year 10 months
sentiment-analysistext-mining
aleszu/tracking-power-outages-in-FL
Sep 2022 - Feb 2023
Contributions:12 commits, 9 pushes, 1 branch in 4 months
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