📍 Medellín, Colombia | 🏗️ Builder at fourier.dev, tribai.co, gobia.co & inplux.co | 🛰️ Remote Sensing Researcher at EAFIT | 🎓 PhD Candidate — UNAL |
Economist building data platforms, territorial observatories, and geospatial research tools for Colombia. Combining satellite imagery, AI, and full-stack development to solve real problems at the municipal scale. Founder of Fourier. Member of the CIIID research group (Minciencias-recognized).
🌐 cespial.github.io — personal site & ecosystem graph
- 🧮 tribai — SuperApp Tributaria Colombia — 40 calculadoras fiscales, asistente IA RAG (1,294 arts. ET + doctrina DIAN + jurisprudencia), 4 tonos, Cmd+K federado — tribai.co
- 🏛️ gobia — Plataforma GovTech de contratación inteligente para el sector público colombiano — gobia.co
- ⚖️ kelsen (closed source) — La IA Legal de Colombia — RAG + BM25 sobre 1.47M chunks de normatividad colombiana
- 📐 cognitive-factor-economics — CFE research program — augmented human capital theory + CONPES 4144 policy evaluation
Papers, research programs, and Google Earth Engine pipelines on AI economics, land use change, flood risk, legal AI, and mining detection in post-conflict Colombia.
Research Programs
- 📐 cognitive-factor-economics — Cognitive Factor Economics (CFE) — Economics of human-AI complementarity. H^P / H^C / H^A decomposition. N=105,517 workers, 440 occupations, 18,796 O*NET tasks.
Papers
- 📄 Augmented Human Capital — Unified theory + LLM measurement for cognitive factor decomposition — arXiv:2604.01066
- 📄 Does Colombia's AI Policy Target Augmentation or Automation? — CONPES 4144 via CFE — Under submission
- 📄 RAG as Epistemic Safeguard — Procedural justice framework for legal RAG (w/ Lozada Pimiento, Jiménez-Builes, Restrepo Carmona) — Submitted to Elsevier
- 📄 Flood Risk Mapping in Antioquia — Sentinel-1 SAR + Ensemble ML, AUC=0.94 (w/ Jiménez Londoño) — SSRN 6321538
- 📄 Post-Conflict LULCC in Magdalena Medio — ~91 Tg C loss, GWR + CA-Markov (w/ Jiménez) — SSRN 6243099
- 📄 Who Controls the Clock? — Work schedule autonomy, N=21,960 (w/ Jiménez Londoño) — Zenodo
- 📄 Determinants of Workplace Flextime Flexibility (w/ Jiménez Londoño) — arXiv:2409.14271
GEE Pipelines & Repos
- 🌊 colombia-flood-risk — Municipality-scale flood risk mapping across 7 departments (Antioquia, Bolívar, Cauca, Chocó, Guajira, Magdalena, Nariño) — Sentinel-1 SAR + Ensemble ML (2015–2025)
- 🌿 magdalena_medio_research — Post-conflict LULC transitions & ecosystem services loss in Magdalena Medio
- 🌴 uraba_research — Post-conflict land use transitions in Urabá, Antioquia
- 🪵 bajo_cauca_research — Mining-driven deforestation in Bajo Cauca, Antioquia
- ⛏️ minerio_magdalena_medio — Satellite detection of artisanal gold mining (ASGM)
- 📐 spatial_econometrics — Spatial econometrics exercises & notes (SAR, SEM, GWR, Moran's I)
- 🎓 sie-medellin — Sistema de Inteligencia Educativa — Secretaría de Educación de Medellín — Deck.gl + pipeline ETL Python
- 🏙️ observatorio-laboral-uraba — City Observatory for Apartadó — 55 tables, 123K+ records, 16 official sources — observatorio-apartado.vercel.app
- 🏛️ observatorio-concejo-medellin — Legislative observatory for Medellín's City Council
- 🗺️ cartografia-colombia — Mapa catastral interactivo de 1,122 municipios de Colombia — cartografia-colombia.vercel.app
- 🌐 gemelo-digital-uraba — Gemelo Digital Logístico — Urabá Banana Belt — gemelo-digital-uraba.vercel.app
- 🌊 vigia-cordoba — Sistema de Alertas Tempranas — inundaciones en Córdoba — vigia-cordoba.vercel.app
- 💼 marinilla_empleos — Multi-source job scraper for 23 municipalities, 8 sources
- 📊 factura-app — SaaS dashboard for Colombian electronic invoicing (Next.js + Supabase)
- 🏢 declaraciones_ICA — ICA tax declarations with AI-powered rate extraction (Next.js + Claude API)
- 🔍 Mi_OCR_Facturas — Automated invoice data extraction with Claude Vision → structured Excel
- 📋 mga-estructurador — MGA project structuring platform for government grants — mga-estructurador.vercel.app
- 🧮 tribai — SuperApp Tributaria Colombia — 40 calculadoras, asistente RAG, doctrina DIAN — tribai.co
- 🏛️ gobia — GovTech platform for Colombian public sector — gobia.co
- 🎓 vfpa-jic — Financial viability tool for academic programs — Politécnico JIC — vfpa-jic.vercel.app
- 📈 IUPB — Institutional analytics — SNIES, Saber Pro/TyT, dropout & academic supply (R)
- 📍 hptu-localizacion — HPTU site selection study — MCDA analysis with 2.6M+ records — hptu-localizacion.vercel.app
- 📍 predios-app-demo — Identificador inteligente de predios para parqueaderos en capitales colombianas — Mapbox + Supabase PostGIS + Claude AI
- ⚾ demo-diamante — Demo Diamante de Béisbol de Medellín — factibilidad parqueaderos + comercio
- 🚌 plataforma-transporte-skrg — Cuarto de Control + prefactibilidad parqueadero — ruta Medellín↔SKRG, Oriente Antioqueño
- 🗳️ lilianarectora.co (closed source) — Institutional campaign platform — Pascual Bravo — lilianarectora.co
- 🤖 seminario-ia-plataforma — Web platform for AI seminar — course materials & interactive tools
- ☕ ms-franchise-neg-main — Reactive microservice — Hexagonal Architecture + Spring WebFlux + R2DBC + AWS ECS
- ✅ evaluador-franquicias — Automated submission evaluator for the Franchise API challenge
- 💎 Vortice — VÓRTICE — Sculptural jewelry, Industrial Dark Luxury — vortice-jewelry.vercel.app
- ⚡ techos-espinal-landing — Tu Página en 48 — express web design service — tupaginaen48.com
- 🚀 Modern-Product-Launch-Community — Modern product launch landing page template
- 🍫 marronreposteria.com (closed source) — Bakery & pastry shop landing — marronreposteria.com
- 🌐 inplux-web — INPLUX HUB — tech ecosystem landing — inplux.co
- 🌐 redek-web — REDEK consulting site — redek-web.vercel.app
- 🧠 aun-humanos — Exploratory web project on the human condition in the AI era — aun-humanos.vercel.app
- 🌐 cespial.github.io — Personal portfolio & ecosystem graph — cespial.github.io
All repos tagged with topics for easy filtering: research-eafit · flood-risk · observatorio · facturacion · consultoria · educacion · landing-page · govtech · legal-ai · cfe