Southern California

Joel Gumbayan

Marketing strategist.
Agentic builder.
Ocean person.

Nice to meet you.

I'm a Marketing Strategist and Agentic Architect.

I believe in best practices, SOTA and data driven initiatives.

Work

Systems

SYSTEM

Instent Marketing Agent Harness

Three platforms. One pipeline. Zero manual routing. Campaign intelligence runs in Claude Desktop · CoWork. Execution — scripts, UTM validation, HubSpot imports — runs in Claude Code. Design briefs route to Gemini Advanced. Built and deployed at Instent Industries.

15 skills3 platforms2 machines4 Python scriptsHubSpot MCPGoogle Drive MCPGitHub CLI
15
skills
3
platforms
2
machines
4
python scripts
3
MCP integrations
CAMPAIGN BRAINClaude Desktop · CoWork9 skills
Reddit Ad Architect Manager
Strategic Map Builder
Audience Context Builder
Reddit Creative Matrix
Design Brief Synthesizer
Campaign Season Conductor
Email Copy Writer
Segment Voice Validator
Performance Debrief Writer
EXECUTION ENGINEClaude Code4 skills
Subreddit Researcher
Weekly Template Generator
UTM Validator
Smart LP Campaign Builder
DESIGN LEADGemini Advanced2 skills
Ad Creative Direction
CSS Token Authoring
OUTPUTS
Email CampaignsUTM ReportsDesign BriefsPerformance DebriefsLP CopyLinkedIn Posts
// claude desktop · cowork — skill trigger
→ "run email-copy-writer · segment WSNOA · week 4"
// claude code — execution
$ python execution/validate_utm_links.py --dir .tmp/ --campaign 43215797-...
// cross-machine sync — mac → work pc
$ git push origin main
↑ click any skill to expandAuthoring: Mac · Execution: Windows 10 / Work PC
Instent Industries · Agentic Harness · May 2026github.com/joelgum ↗

Play

Sunset over the Pacific Vivid sunset sky Warm dusk light on the water Dusk seascape, golden hour Dolphin in the ocean Calm water at dusk Ocean sunset, Southern California Dusk colors on the horizon Wide dusk panorama Sunset glow on the horizon

Let's talk.

Whether it's a project, a collaboration, or just a good conversation about frontier AI.

jpgumbayan@gmail.com