John Y Miller
Snowflake Solution Architect
AI (Cortex, Snowpark) · Security & Governance · Data Architecture · 25+ years in enterprise data
Former Snowflake Senior Solution Architect, Financial Services · Former Accenture Global Chief Data Architect
I make consequential Snowflake AI, security and data decisions with clients, then deliver them: platform foundations, RBAC and identity, live Cortex AI capabilities, and AI cost governance. Senior advisory, hands-on implementation, and reusable patterns the client’s own team keeps turn architecture into lasting capability.
~$2M/year in client data-sharing savings · 13-week bank platform foundation · SnowPro Core
Current Snowflake Bay Area User Group Lead · SVAI Ambassador. I bring practitioners together to put Snowflake’s data and AI tools to work.
View Snowflake résumé & download PDF →enid Co-Founder Investment intelligence for private credit. What I’m building ▾
Enid turns the documents behind a private-credit portfolio — deliverables, covenants, risk, events, tracked across a deal’s whole life — into a governed, continuously-updated view every institution can trust. AI does the extraction; humans keep authority over every figure; and each number carries its source and confidence.
Why it belongs here: Enid runs the same governed-data playbook I bring to Snowflake engagements — medallion layering, data contracts, end-to-end lineage, and AI kept under human review. It’s that thesis proven by building a company on it: I don’t just architect trustworthy data platforms — I co-founded one.
Learn more → enidpa.comHelping data teams put Snowflake CoCo to work
As the current Snowflake Bay Area User Group Lead and an SVAI Ambassador, I led the AI Agents for Data Teams CoCo hackathon at Silicon Valley AI Hub on September 28, 2026. The focus: help Snowflake users build and test solutions to real data-team problems with CoCo.
Participants explored reconciliation, SQL/dbt performance testing, policy checks and analysis. My Milbird Field Notes document the work: Use AI to get data ready for AI. →
Five AI hackathon podiums. Two first-place projects.
1st: Wet Ink at Last Mile Agent (Novita AI / ActionLayer). Team 1st: Read to Play — Little Alexandria at Better Days (ClickHouse). Additional podiums for Podcast Research Agent, Covenant Watch and Covenant Sentinel. Explore the builds →
Expertise & Leadership More ▾
Snowflake AI & Agentic Delivery
- Cortex Agents, Search & Analyst · Snowpark
- Claude Code · OpenAI Codex · Snowflake CoCo (Cortex Code)
- Reusable discovery patterns, skills & agent workflows
Data Architecture & Delivery
- Architecture assessments, roadmaps & design reviews
- Medallion, dbt, data contracts & semantic models
- Turn-key EDW provisioning scripts & merge patterns
Security & Governance
- Two-layer RBAC design & 13 principles
- Policies, tags, masking, row-access
- SSO (SAML2) + SCIM · PrivateLink · Azure · AWS
Leadership & Enablement
- Current Snowflake Bay Area User Group Lead
- SVAI Ambassador
- VP of Programs & board, DAMA Los Angeles
- Host, DAMA LA Presents · Founder, Milbird