/systems — Architecture & Open-Source Infrastructure

Selected systems and open-source infrastructure across AI evaluation harnesses, clinical and laboratory assistants, computable guidelines tooling, and distributed health data exchanges.

OpenClinAI & Clinical AI Validation Harness

Evaluation Infrastructure

End-to-end evaluation harness and shared runtime stack for clinical AI applications. Integrates deterministic rule verifiers (CQL and SQL), cross-encoder scoring, multi-seed Wilson confidence intervals, and blind clinician adjudication.

ChartSearchAI & Catalyst

Clinical & Lab AI

ChartSearchAI provides citation-grounded longitudinal patient chart synthesis and Q&A for OpenMRS O3 with inline source-card provenance. Catalyst provides schema-grounded natural-language-to-SQL analytics across OpenMRS and OpenELIS laboratory databases.

Computable Guidelines & vscode-cql

Language Tooling & HL7

Maintainer of the vscode-cql extension and language server supporting Clinical Quality Language (CQL) authoring. Contributor to WHO SMART Guidelines (L2/L3 Digital Adaptation Kits) and HL7 FHIR Implementation Guides.

National Health Information & Laboratory Exchanges

Distributed Systems

Technical leadership and systems architecture at DIGI @ UW for national clinical data repositories, electronic laboratory ordering and resulting pipelines (viral load and early infant diagnosis), and FHIR-based surveillance infrastructure across Botswana, Haiti, Zimbabwe, and Ethiopia.