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ksolano220/README.md

Katherine Solano

Product builder · AI agents · decision systems

getzona.app · LinkedIn

I build products where software has to make or support real-world decisions. I'm the founder of ZONA, where I'm building nightlife infrastructure used by consumers, venues, and AI agents. My open-source work explores reliability and control in autonomous systems: Sentra decides whether an agent's action should be allowed to execute; Vigil independently verifies whether automated work actually produced the outcome it claimed.

Selected Work

ZONA

My company. Consumer nightlife discovery, venue and event data, table inventory and booking infrastructure, an AI Concierge, and an MCP layer that lets AI agents query ZONA's live nightlife data and, in supported cases, initiate table requests.

getzona.app · AI infrastructure

Vigil

A job reporting success is a claim, not proof.

Vigil wraps scheduled automation and independently verifies that the intended outcome actually occurred rather than trusting the job's own exit code.

  • Separates what a job claims from independent evidence of the outcome
  • Detects missed execution windows and catches up runs that never happened
  • Detects degradation when a job remains alive but stops producing meaningful changes
  • Supports independent verification through files, HTTP state, commands, and metrics

github.com/ksolano220/vigil

Sentra

Sentra sits between an AI agent's decision and tool execution, evaluating proposed actions against deterministic policy before they are allowed to run.

  • Deterministic runtime policy enforcement with no model in the decision loop
  • Cumulative risk tracking per agent with three-strike shutdown
  • Fail-closed Python SDK
  • Structured audit events for evaluated actions
  • Model-agnostic execution boundary

Started as an IBM SkillsBuild project. A healthcare adaptation, Sentra Medication, won the final pitch at NYU SPS's Berlin GFI.

github.com/ksolano220/sentra · Live demo

Applied AI

Autonomous Claims Workflow — Multi-agent IBM watsonx/Granite system with Sentra at the tool-execution boundary.

Sentra Medication — Healthcare adaptation of Sentra using FHIR-based patient context for medication-order governance.

Symptom Triage Coach — LoRA fine-tune of Qwen2.5-1.5B converting plain-language symptoms into schema-validated structured output using synthetic training data.

Symptom Triage Coach v2 — Multimodal image + text extension with an evaluation against the text-only baseline.

Decision Systems & Analytics

Marketplace Pricing & Promotion Simulator — Contribution-margin decision simulator on 824K transaction line items, ranking which economic lever moves profitability most.

Care Gap Engine — Ranks open care gaps by clinical urgency, response likelihood, and equity priority.

More analytics work →

Sentra and Vigil

Sentra asks: should this action be allowed to happen?

Vigil asks: did the automated work actually happen?

One sits before execution. The other checks after. Neither treats self-reported success as sufficient evidence.

How I Work

Business problem → data → hypothesis → intervention → measurement → decision.

I use code when it's the fastest way to test the hypothesis or operationalize the answer.

Tools

Python · SQL · pandas · FastAPI · Streamlit · IBM watsonx · Hugging Face / PyTorch · LoRA fine-tuning · MCP · LLM evaluation · multi-agent systems

Background

Founder, ZONA
MBA, Pepperdine Graziadio
M.S. Management & Analytics, NYU

Pinned Loading

  1. marketplace-pricing-promo-simulator marketplace-pricing-promo-simulator Public

    Interactive contribution-margin simulator for marketplace pricing/promo decisions, built on real order-level transaction data (UCI Online Retail II).

    Python

  2. sentra sentra Public

    Runtime execution control for AI agents. Policy enforcement, risk tracking, and three-strike shutdown, with a Python SDK for drop-in integration.

    Python 1

  3. nonprofit-financial-health-dashboard nonprofit-financial-health-dashboard Public

    Financial health dashboard for 20 real U.S. nonprofits, built on live IRS Form 990 filings via ProPublica's Nonprofit Explorer API.

    Python

  4. healthcare-access-risk-analysis healthcare-access-risk-analysis Public

    Models healthcare access as a constrained decision system by combining insurance, infrastructure, and population data. Identifies high-risk regions and examines how resource limitations shape patie…

    Python

  5. medicare-billing-analysis medicare-billing-analysis Public

    SQL analysis of CMS Medicare inpatient billing data: identifying cost outliers, markup patterns, and geographic disparities across 3,000+ US hospitals

    Python

  6. care-gap-engine care-gap-engine Public

    Population health outreach prioritization. Ranks open care gaps by (clinical urgency × response likelihood × equity priority), then drafts personalized outreach with Claude.

    Python