Stephen J. Barr

Professional Summary

Developer advocate with over a decade of experience spanning software development, AI/ML engineering, graph technologies, and technical evangelism. Deep expertise in graph databases, GraphRAG systems, and computation graphs applied to clinical, financial, and AI domains. Equally comfortable building agentic AI systems as presenting to executive stakeholders. Experienced university-level instructor with a track record of making complex technical concepts accessible to diverse audiences across business and technology.

Experience

Chief Evangelist Trilogy AI Center of Excellence /

Summary: Helped establish AI best practices across a large private equity portfolio of software companies while creating and hosting "The AI-First Show".

Technologies: AI-powered Development, LanceDB, Neo4j, Agentic Orchestration
Skills: Computation Graphs for Agentic Workflows, Knowledge graph creation pipelines, Developer advocacy.

Founder MeshCrawler LLC /

Summary: Stealth startup focusing on applications of AI and graph technologies to help people get work done more efficiently.

Technologies: LanceDB, Lance Graph, GraphRAG systems
Skills: GraphRAG pipelines, Computation Graphs for Agentic AI, Dynamic Knowledge Graph Management

Chief Evangelist CloudFix /

Summary: Developer advocacy and product management for AWS cost optimization SaaS platform.

Technologies: AWS services, FinOps, cost optimization, AI-assisted Programming
Skills: Content creation, Content Creation Pipeline design, FinOps thought leadership, establishing the AWS Made Easy web show, developer advocacy

Chief Evangelist DevGraph /

Summary: Managed developer advocacy for a graph-backed programming and execution environment.

Technologies: Custom computation graphs, AWS
Skills: Go-to-market strategy, marketing, developer relations, outreach content creation

Director Vertex Development /

Summary: Bespoke consulting specializing in graph databases, data engineering, and custom AI/ML solutions.

Technologies: Neo4j, Apache AGE, Docker Compose Deployments, AWS Amplify, GraphQL
Skills: Graph database deployment and operations, cluster scaling (writer/reader topologies), data ingestion at scale

Senior Software Developer CancerAid (now Osara Health) /

Summary: Built patient-centric cancer care platform using TypeScript and Haskell.

Technologies: TypeScript, Haskell, full stack development, Postgres, CI/CD
Skills: Software development, HIPAA compliance, Domain Specific Language design

Senior Analytics Consultant MIP /

Summary: AI/ML consulting engagements for data analytics and AI/ML pipelines across financial, education, and healthcare domains.

Technologies: Alteryx, DataRobot, H2O.ai, Python, Neo4j
Skills: Project scoping and execution, domain modeling, data pipeline design, data engineering for ML pipelines, Graph Schema Design

Lead Clinical Data Scientist Seattle Cancer Care Alliance /

Summary: Led engineering of graph-based patient care pathway representations and built AI/ML pipelines for patient-to-pathway comparison.

Technologies: Neo4j, Python, Haskell
Skills: Software development, HIPAA compliance, Domain Specific Language design, Graph Schema Design, Functional Programming

Education

MBA, Applied Statistics and Corporate Finance University of Rochester /
BS — Applied and Computational Mathematical Sciences, Economics University of Washington /
  • B.S. in Applied and Computational Mathematical Sciences (Honors, received "Graduating Senior of the Year" award)
  • B.S. in Economics (Honors)
AS — Computer Science Bellevue College /