Engineering Director Β· ex-Bloomberg Β· PhD in CS (USC)
I work on identity & access management and cloud security & architecture β how people, workloads, and now AI agents authenticate, get authorized, and act safely at scale. Previously Tech Lead of Bloomberg's Authentication Platform (workforce + customer SSO); PhD in software architecture (recovery, decay, mining software repositories). π Best Paper, ICSA 2018.
- π Leading engineering @ Vinsmart Future β IAM / identity platform
- π Depth in: authentication, OAuth/OIDC & SSO, Zero Trust, workload & non-human identity
- βοΈ Focus: cloud-native security architecture, least-privilege & policy-as-code
- π€ Interest: identity for the AI-agent era β delegation, scoping, and safe autonomy
- π More: lemduc.github.io
| Project | What it is |
|---|---|
| wings-vs-claws πͺ½π¦ | Source-grounded IAM learning hub for the agent era β AuthN/Z, OAuth/OIDC, Zero Trust, workload & non-human identity, agent delegation β live β |
| OAuth-Demo | Hands-on OAuth 2.0 / OIDC authorization-flow walkthrough β live β |
| arcade-agent | Framework-agnostic tools for recovering & analyzing software architecture β MCP / LangChain / Claude SDK β site β |
| arcade-analyze-skill | A Claude Code skill that recovers & visualizes any codebase's architecture β live demo β |


