VP Strategy & Operations @ Prescient AI | Helping omnichannel brands to optimize spend | Co-founder Don't VLOOKUP

I didn’t come up through marketing.

I came up through finance.

Investing, M&A, diligence across hundreds of omnichannel brands.

I then became an operator, managing and deploying budgets directly and making the pitch to finance for more. 

The same questions came up every time:

Where should the next dollar actually go? How can we scale profitably? 

Marketing was always the largest variable line-item that went chronically underutilized. 

ROAS looked great in decks.

Cash flow and lifetime value told a different story.

The real issue wasn’t growth.

It was efficiency of working dollars - marketing, inventory, and capital tied up in the wrong bets.

So teams default to decisions without a more forward-thinking lens: 

• Optimize to what could be tracked with clicks

• Undervalue upper-funnel channels

• Cut spend that *looked* inefficient

• Then wonder why demand fell apart weeks later

That gap is why I joined Prescient.

Most tools explain yesterday yet ignore the reality that conditions on the field are constantly changing.

We focus on how dollars actually move the business - across channels, over time, and beyond last-click.

Not perfect attribution.

Better decisions that break down the barriers between marketing and finance to invest with confidence.

Will Holtz

Cookieless Attribution for Marketers 📈 If you buy media, you need this. 🚀 CEO of Provalytics | Get Attribution Certified - Enroll for Free Now!

From Building MTA Platforms to Pioneering Privacy-First Attribution—My Journey Below 👇

Over the last two decades, I’ve had the privilege of creating marketing campaigns that have added 💰billions in value. But the path hasn’t been without its twists and turns.

In 2008, I discovered a massive flaw in how digital measurement relied on ‘last click.’ It was clear to me: there had to be a better way. So, I rolled up my sleeves and built one of the first multi-touch attribution (MTA) platforms.

In just a few months, our clients were seeing 15-25% ROI increases, and by 2019, we had:
✅ Served some of the world’s largest marketers.
✅ Achieved MRC Accreditation for measurement quality.
✅ Grown 171% YoY before my exit that year.

Then in 2021, everything changed again.

With privacy becoming a global priority:
💥 Apple’s iOS updates shook up Facebook and digital advertising.
💥 Google announced plans to eliminate third-party cookies.
💥 Privacy laws began spreading across the US.

Suddenly, the measurement systems I helped pioneer were becoming obsolete. Every MTA platform was on the verge of extinction.

But I saw an opportunity.

I hypothesized that AI-driven attribution could future-proof measurement without violating privacy.
So, in 2022, I launched Provalytics—a privacy-first attribution platform.

The results?
🎯 Clients are seeing the same 15-25% ROI growth, but without user-level data.
🔒 100% compliant with privacy-first standards.

What’s next?
We’re scaling Provalytics to help marketers prove their impact in this cookieless, privacy-centric world. With AI-driven insights and future-ready tools, we’re building a better way forward.

If you’re navigating today’s complex marketing landscape, check out our free resources:

📜 ATTRIBUTION CERTIFICATION
Learn to navigate today’s challenges and prepare for the cookieless future.
→ 🌐 https://provalytics.com/attribution-certification/

📘 THE ATTRIBUTION PLAYBOOK
The 2026 Attribution Playbook examines the past, present & future of attribution.
→ 🌐 https://provalytics.com/playbook

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