Alexander Embiricos
Works at a labLast updated: Sep 17, 2026
| Role | OpenAI Codex product lead |
|---|---|
| Earns | Works at a lab |
| Sources | 11 cited fields · high confidence |
Codex in VS Code and the terminal: parallel worktrees, written plans, and reviews before merge.
“The mindset that works really well for Codex is, like, kind of like this abundance mindset and, like, hey, let’s try anything.” sequoiacap.com
Loadout
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Alexander Embiricos’s loadout
Works at a lab
HarnessCodex
His demonstrated setup spans the Codex VS Code extension and Codex CLI.
Editor
VS Code
Uses the Codex extension in VS Code for repository orientation and small natural-language changes.
TerminalCodex CLI
He describes Codex CLI as Codex in the terminal and demonstrates terminal operations around worktrees.
ToolsGit worktrees+2 more
3 views · 0 equipped
Editor & terminal
VS Code
Uses the Codex extension in VS Code for repository orientation and small natural-language changes.
Codex CLI
He describes Codex CLI as Codex in the terminal and demonstrates terminal operations around worktrees.
Tools
Git worktrees
Creates separate branches/directories so multiple Codex tasks can run independently.
Plans.md
Uses a reusable rubric for self-contained milestones, edge cases, decisions, and verification.
GitHub pull-request review
Codex comments only when confidence is high and can fix an issue from a reviewer reply.
Workflow
- 1Orient Codex in an unfamiliar repository before proposing a change, then keep the diff visible for review.chatprd.ai, 2026-01
- 2Use separate worktrees when tasks need parallel branches and directories.chatprd.ai, 2026-01
- 3Use a written plan and verification steps for larger work, revising the plan before implementation.chatprd.ai, 2026-01
- 4Run many tasks in parallel and review the outputs rather than treating Codex like autocomplete.sequoiacap.com, 2026-09
Timeline
- 2026-09-17TerminalCodex CLIsequoiacap.com, 2026-09
- 2026-01-12HarnessCodexchatprd.ai, 2026-01
- 2026-01-12EditorVS Codechatprd.ai, 2026-01
- 2026-01-12ToolsGit worktreeschatprd.ai, 2026-01
- 2026-01-12ToolsPlans.mdchatprd.ai, 2026-01
- 2026-01-12ToolsGitHub pull-request reviewchatprd.ai, 2026-01
- 2025-09-15Effortmediumx.com, 2025-09
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