AI-assisted GTM engineering · growth systems

Turn complex B2B
into measurable growth.

I build the positioning, workflows, campaigns, and measurement loops that help technical products create a category and turn attention into pipeline.

Headshot of Mason Hooten
10years building
growth systems
San Francisco, CAGTM engineer · growth marketing leader
+250%marketing-sourced pipelineCareer highlight
3×demo conversionCareer highlight
−40%customer acquisition costCareer highlight
See the work behind the outcomesInteractive evidence ↗

A GTM engineer

Systems that make
the next move obvious.

My work sits where audience research, technical content, campaign infrastructure, and performance data meet. I’ve supported enterprise data, developer tools, healthcare software, consumer web, and climate-tech teams.

Explore 10 years of career impact ↗

Selected work

Proof, not
just promise.

Case studies are framed around the work I owned, the systems I built, and the decisions they enabled.

01

Paren · EV charging data

A 60-day GTM engine

Built the martech stack and vertical programs for a category-leading EV data platform: 18+ SEO posts, 10+ videos, eight nurture sequences, and full-funnel attribution.

GTM engineering · HubSpot · Clay · attributionExplore career impact ↗
02

Promethium · enterprise data

The growth operating system

Rebuilt the growth foundation, expanding the contact database from 6K to 28K while increasing lead generation 180% and reducing CAC 28%.

Growth systems · Google Analytics · SEO/SEMExplore career impact ↗
03

Independent product case study

cali•camp

A friendly California camping guide built from research, content architecture, interface design, and a first-timer lens.

Product strategy · content design · web buildRead case study ↗
04

NurtureCheck · interactive product concept

Product safety, with receipts

A camera-first product safety experience for parents that separates exact recalls, ingredient evidence, and age guidance without false certainty.

Product strategy · safety UX · mobile prototypeRead case study ↗
05

Independent energy systems case study

Off-grid AC simulator

Modeled a solar-powered heat pump for a 750-square-foot California home using historical weather, building insulation, battery dispatch, and PG&E pricing.

Energy modeling · React · Arduino controls · cost analysisOpen simulator ↗
06

Independent interactive case study

Yosemite Deep Time

A 3D atlas of Yosemite Valley connecting successive glaciers, hiking trails, climate research, and wildlife through an explorable geological timeline.

Research synthesis · interaction design · Three.jsRead case study ↗
07

Current side project · game development

Firefall

Building a browser-based combat game to explore coordinating multiple coding and design agents across game development.

Multi-agent coordination · coding · game designPlay Firefall demo ↗

How I work

Useful from
day one.

01

Find the signal

Understand the audience, decision, and constraint before choosing a channel or tool.

02

Build the system

Connect the message, workflow, tracking, and people needed to make the work repeatable.

03

Make it legible

Translate activity and data into a clear recommendation leaders can act on.

04

Keep improving

Test, document, and leave the next team with a stronger starting point.

The Agentic GTM Field Notes

Marketing after
the workflow changes.

One practical system, teardown, or experiment about building GTM with AI—twice a month.

Read the first field note ↗Open the interactive GTM lab ↗
01 · Agent design + guardrails · Published02 · Evals tied to pipeline03 · Attribution after agents

What I’m looking for

Build the GTM
category follows.

I’m interested in category-leading GTM engineering and growth marketing roles where a technical product needs a sharper story, a stronger growth system, and a measurement loop the whole company can trust.

Discuss the role ↗