Growth Engine
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Meet Stellar Growth Engine.

Our marketing value-creation system for Private Equity portfolios. The first of its kind, built for the AI era.

Not an agency. Not a tool. Experts, underpinned by AI, deployed against your biggest opportunities.

Let's talk ↓ See the model
Alpine Investors General Atlantic Naver Oakley Capital SoftBank Touring Capital

A Model for the AI Era.

01The Method
Step 01
Understand & Assess
Experts use AI to establish single source of truth for performance, efficiency, and opportunity.
Step 02
Create Foundation
Claim Quick Wins
Execute high-confidence opportunities with immediate revenue and margin impact.
Forward Deploy
Adjust processes, embed technology, and enhance measurement infrastructure as foundation for scale.
Step 03
Scale
Compound returns across the hold period through disciplined test-and-learn, incrementality-based decisions, and repeatable playbooks.

How We're Different.

02Why Us
01
AI-Native.
As part of Pixis, our AI tools are truly purpose-built and cutting edge. Just ask our partners, Google and Meta.
02
Strategy and Execution.
With a team of 300 across 7 specialized agencies, we translate strategy into compounding growth.
03
Scale is our Specialty.
Whether it's $10 million to $100 million, or $100 million to $1 billion, we know what scale looks like and how to get there.

Our People.

03The Team

Media buyers and account executives are a thing of the past. A new era requires new skills and new ways of organizing a team to drive growth.

Agentic Marketing Engineer Agentic Marketing Engineer

Designs the AI systems that run your campaigns — and brings the judgment to override them when needed.

Forward-Deployed Strategist Forward-Deployed Strategist

Translates strategy into processes and tech implementations that underpin your growth.

Performance Creative Director Performance Creative Director

Harnesses AI to deliver creative that drives measurable revenue and uplift, at scale.

Measurement Engineer Measurement Engineer

Builds the measurement stack — incrementality, MMM, attribution — so every dollar gets defended with data.

Amazon Performance Lead Amazon Performance Lead

Owns the world's second-largest ad platform. Turns Amazon spend into ranked-product revenue.

AEO & GEO Strategist AEO & GEO Strategist

Wins visibility in the new search — ChatGPT, Perplexity, Google AI Overviews — where the answer is the click.

Stellar's Agentic Marketing Engineers collaborating in the office
A new era demands a new talent model

Meet the Agentic Marketing Engineers.

Not media buyers. Not developers. A new role designed for the AI era.

Part strategist, part builder, part orchestrator. They design the systems, tune them, and make the calls AI can't. Stellar is an entirely new type of growth partner, so we needed an entirely new type of role.

What changed
Pushing buttons Designing systems
Watching dashboards Driving the strategy
One channel deep All of them, connected
Account managers Growth partners

AI Built, Not Bolted On.

04The Toolset
Pixis Prism
Pixis Prism
AI command center for campaign performance monitoring, analysis, and optimization across channels in real time.
Pixis AdRoom
Pixis AdRoom
Creative studio for on-brand images, videos, and UGC-style content at scale.
Pixis Visibility
Pixis Visibility
Unified SEO & GEO platform helping brands win citations and rankings on search and in LLMs.

Real Work. Real Outcomes.

05The Work
REEF
2.5×
Increase in ad sales
50%
ROAS improvement
Building a Scalable Growth Operating Model

Reframed performance around unit economics, established testing cadence and KPI ownership, and installed a durable operating model designed to scale.

Gopuff
60×
New customer growth
75%
Reduction in CAC
Shifting from Acquisition Volume to True Incremental Growth

Redesigned measurement around downstream value, shifted from ROAS to LTV/CAC, and ran incrementality testing — improving customer quality and clearing a path to profitable scale.

Poshmark
5%
Incremental GMV on $1B+ base
10%
ROAS improvement
Unlocking Efficiency and Building a Durable Growth Framework

Holistic audit identified material redeployable spend; designed an LTV/CAC-driven measurement framework and a 90-day execution roadmap aligned to profitable scale.

HighLevel
60×
Trial sign-up growth
75%
Reduction in CAC
Shifting from Fragmented Campaigns to Strategic Growth

Streamlined campaign architecture, introduced systematic creative testing, and aligned platform-CRM tracking — unlocking scalable growth beyond branded campaigns.

Let's Build Something Stellar.

The lever you can't find. The channel you want to crack. The metric that won't move. The bet you want to make work. Whatever you're staring at — that's where we start.