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Clarity

Matthias Stepancich

Trieste, Italy

First growth hire @ Tesla. Launched their first YouTube ads (20M viewers). €50M+ in paid media across 10+ countries. Now helping scaling brands with paid media strategy & incrementality measurement. 10+ years in Growth. Your ROAS is probably lying to you.

$3.33/min

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Customer Acquisition Digital Marketing Growth Marketing Strategy Performance Marketing Marketing Analytics Marketing Management Growth Strategies Paid Search SEO Audits

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Scaling Paid Media (Google, Meta, YouTube) for Startups

I built Tesla's global growth function from zero, scaling paid media to $10M/quarter across the US, UK, Germany, France, Japan, and Australia. I've managed €50M+ in paid media across Google Ads, Meta, YouTube, LinkedIn, TikTok, and programmatic.

I'll help you with:
- Whether to scale your current channels or add new ones
- How to allocate budget across Google, Meta, YouTube, and others
- When to bring paid media in-house vs. keep an agency
- How to structure campaigns for multi-market expansion
- How to set realistic CAC targets and know if you're on track

Best for: Founders and marketing leads at startups spending
€10K-500K+/month on paid media who want strategic clarity on where to put the next dollar.

Growth Strategy for D2C, E-Commerce & SaaS Companies

Previously the first Global Growth Performance Manager at Tesla.
Before that, I managed €3M/month in paid media across 8 products and 7 markets at lastminute.com, achieving +158% conversions and +67% ROAS in Germany.

I'll help you think through:
- Your overall growth strategy and channel priorities
- Whether your current marketing setup is working or bleeding money
- How to structure your growth team (in-house, agency, fractional)
- Where your biggest acquisition opportunities are hiding
- How to prepare your growth engine before and after fundraising

Best for: Founders and CEOs at Seed to Series B companies who need a senior growth perspective, not another agency pitch.

YouTube Advertising Strategy (I Launched Tesla's First)

I designed and launched Tesla's first-ever YouTube advertising campaigns in the US and UK, reaching 20M unique viewers, achieving a 35% search lift and 30% uplift in incremental leads.

YouTube is massively underused by most brands because it's hard to measure and easy to waste money on. I know how to make it work.

I'll help you with:
- Whether YouTube makes sense for your business right now
- How to structure YouTube campaigns for actual performance
- How to measure YouTube's real impact (beyond view counts)
- Creative strategy for YouTube that drives action
- How YouTube fits into your broader channel mix

Best for: Brands already spending on Google and Meta that want to explore YouTube but don't want to burn budget learning.

Should You Hire in-House, Keep Your Agency, or Go Fractional?

I've been on every side of this: in-house at Tesla building a
growth team from scratch, managing agencies at lastminute.com across 7 markets, and now working as a fractional growth leader for scaling companies.

Most founders make this decision based on gut feel. I'll help you make it based on your actual spend, team maturity, and stage.

I'll help you figure out:
- Whether your agency is delivering real value or coasting
- When it makes sense to bring paid media in-house
- How to structure a fractional/advisory model that works
- What to look for when hiring your first growth/marketing lead
- How to evaluate agency performance objectively

Best for: Founders spending €30K+/month on ads who aren't sure if their current setup is optimal.

Marketing Measurement: Is Your ROAS Actually Real?

Most marketers trust platform-reported ROAS. It's often wrong.
I understand incrementality testing, marketing mix modeling (MMM), and causal inference at a technical level - and I can explain it in plain language.

At Tesla, I partnered with Data Science to build incrementality testing frameworks.
At BlueAlpha, I have advised marketing teams at D2C, subscription, and media companies (ranging from growth-stage startups to publicly traded brands) on incrementality test design, channel selection, and measurement QA.
At lastminute.com, I led the experimentation roadmap for three years in a row.
For AMBOSS, I built a complete experimentation roadmap covering a full year (26 total tests).

I'll help you understand:
- Whether your current attribution is trustworthy or misleading
- How to figure out what's actually driving conversions
- When and how to run incrementality tests
- How to talk about measurement with your CFO or investors
- What "good" measurement looks like at your stage and budget

Best for: Founders and marketing leaders who suspect their numbers don't tell the full story.

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Member since February 2026