top of page
// jason_pellerin.ai_solutionist
Portfolio
Data analytics and automation projects, built end to end on public data.


Not where you live
A recomputation of the Landis et al. 2021 sourdough census. Where the baker lives did not sort the starter.
Jason Pellerin
Oct 32 min read


The Denver ounce
After the package is held still, what happened to grocery prices in Denver, and where does the public record stop? Denver-Aurora-Lakewood food at home in August 2026 is an index of 288.763, up 1.7 percent over the year. The matching U.S. city average is up 2.2 percent. An index is not a shelf price, and it is not a King Soopers receipt. The dollar figure BLS does publish is a national average price, already per dozen, per gallon, or per pound. One dozen grade A large eggs, on
Jason Pellerin
Oct 22 min read


Denver's two traffic-death counts
The Vision Zero page said 94 deaths in 2025. The open crash file records 41, and 0 pedestrian deaths.
Jason Pellerin
Sep 292 min read


The FY27 Recompete Cliff: Which Federal Contracts Will Change Hands?
16,281 federal contracts end in FY27. I built the missing ground truth from public award data and a calibrated model that predicts which ones change vendors, and it beat the heuristic in my own product.

Jason Pellerin AI Solutionist
Sep 296 min read


Where Denver's 311 Slows Down: Seven Years of Service Requests, Read Like an Operations Manager
I cleaned and analyzed 3.0 million Denver 311 contacts from 2019-2025. The biggest slowdowns in the data are record-keeping gaps, not service, and the fixes are operational.

Jason Pellerin AI Solutionist
Sep 296 min read
bottom of page