Project Portfolio
More than three decades of building data systems that matter, from the earliest parallel databases to today's knowledge graphs and AI agents.
Graph & AI Engagements

AI Engineering Application Suite: Schematic Intelligence
Halker Consulting
Designed and built a suite of 21 AI applications that automate P&ID analysis, drawing validation and QA/QC for a consulting engineering firm, combining computer vision, generative AI and agentic patterns through MCP servers. Hundreds of P&IDs and associated CAD drawings processed to date. Read more →

Digital Product Passport & Traceability
Multi-line manufacturer (via Neo4j)
A Neo4j knowledge graph unifying ERP batch genealogy, bills of material and quality data across multiple manufacturing lines: 80M+ genealogy relationships, 250M+ sampling records and sub-second traceability from a serialized unit to its source material lots, with Graph Data Science for quality intelligence.

GraphRAG Integration Engine
Integrating Gemini and Neo4j for high-fidelity content retrieval and automated decisioning in agentic workflows, grounding every answer in the graph to sharply reduce hallucinations.

Product Landscape Knowledge Graph
Used LLM extraction to map roughly 1,000 wealth-management (RIA) technology vendors into a product knowledge graph, revealing feature overlap and competitive differentiation across the market, with natural-language-to-Cypher querying for non-technical users.

Neo4j Professional Services
Solution architecture and graph consulting on Neo4j engagements, implementing advanced Graph Data Science (GDS) and algorithms to drive organizational insights for global enterprise customers.

Elsevier SciVal Analytics
Analyzing ~70 million research articles via knowledge graphs. Leveraged Neo4j clustering and AWS MSK to construct real-time citation and organization metrics.

Fidelity Advanced Analytics
Neo4j Graph Data Science on large-scale datasets to expose high-order relationship effects and hidden patterns for investment analytics.

Lockheed Martin GDS Pipelines
Design and development of Neo4j GDS pipelines for demand forecasting and supply chain management in critical aerospace operations.

Tesla Performance Engineering
Graph performance engineering for a high-throughput transaction processing environment, integrating Apache Kafka and Flink with clustered graph environments.

Clinical Graph Analysis
Mapping unstructured physician notes into HL7/FHIR-compliant knowledge graphs, enabling multi-hop clinical reasoning for care coordination.

Real-time Fraud Detection
Graph Data Science and community detection to identify high-risk transaction clusters in financial event streams.

Supply Chain Resiliency
Per-customer food safety and distribution analysis covering thousands of North American distribution points.

Edison Interactive
Rapid MVP of a Neo4j/GraphQL customer-analytics environment for a digital out-of-home advertising platform, unifying events and impressions into actionable customer journeys.
Earlier Enterprise Engagements
Large-scale data, performance and modernization work for enterprise clients, much of it delivered with Tanning Technology and Terraprova.
WAVi
Brain measurement platform
FDA-approved EEG medical device platform; as CTO, led software, signal processing and SaaS architecture.
HealthcareCapricorn Medical
Practice management
Lightweight administrative tools for physician/patient encounter notes and billing in small practices.
HealthcareInvesco
Systems analytics & modernization
As Director of Software Engineering & Technology, led a multi-year modernization of shareholder accounting, portfolio management and marketing systems.
Financial ServicesKaiser Permanente
Electronic medical records
Led the construction of Kaiser's Center of Excellence for Application Integration and Performance Engineering for its massive EMR program.
HealthcareFedEx
Package tracking
Re-designed scan processing for the domestic package-tracking network on IBM SP MPP, up to 2,000 transactions per second.
LogisticsJeppesen
Aviation data
Change-data-capture alerting for civil and federal aviation changes, saving an estimated $500K per year.
AviationZachry Group
Legacy modernization
Modernized a 30-year-old cost accounting system (1M+ lines of code, 1B+ financial records) to a cloud platform.
IndustrialNDC
Healthcare supply chain
Supply chain solutions for distributors, manufacturers and GPOs in the healthcare market.
HealthcareEquifax
Parallel benchmarking
Consolidated consumer-database proof of concept benchmarked across four MPP and supercomputing platforms.
Financial ServicesClaris Vision
Data conversion & analytics
Consolidated patient and EMR data across four systems for a multi-clinic ophthalmology provider, plus a financial analytics portal.
HealthcareCharles Schwab
Performance remediation
Re-deployment of a 5,000-user call center application after a failed launch, through to a successful release.
Financial ServicesTravelShark
Personalization engine
NLP and topic-model recommendation engine built on user-generated review content.
ConsumerCenturyLink
VLDB analytics
Very large database analytics of call detail records for call-pattern and network-utilization analysis.
TelecomLara Bar / Nike
Marathon event analytics
Live-streaming display of tweets and texts during events, with near real-time NLP classification.
ConsumerdSide
Recommendations engine
Multi-tenant product recommendation engine based on dynamic user-preference modeling.
ConsumerFirst USA
MPP analytics
60-node parallel computing solution for early large-scale financial analytics.
Financial ServicesTanning Technology
Founding team
Founding member of an early big-data consultancy (NASDAQ IPO): parallel computing, data warehousing and performance engineering.
TechnologyOxford Health Plans
System remediation
Billing-process redesign and stabilization of a 1,600-concurrent-user Oracle environment.
HealthcareBlockbuster
Distribution modeling
Store-level distribution and capacity modeling for new releases across thousands of locations.
RetailCIBC
Performance engineering
End-to-end instrumentation for load, stress and failover testing of consumer banking systems.
Financial ServicesDGS
Legal conflict management
Client/matter system for determining complex conflicts of interest on new business.
LegalExactCost
Healthcare analytics
Multi-tenant activity-based costing platform computing the true cost of hospital procedures.
HealthcareGreat-West Life
Distributed platform
Distributed database platform synchronizing remote sites with a central server environment.
Financial Services