EST. 2019 • ASPEN, COLORADO

We build performance
with precision and integrity.

Spline Media is an independent performance marketing agency helping ambitious brands and affiliate partners grow through strategic, data-driven digital advertising.

Our Mission

Spline Media helps brands and affiliate partners grow through strategic performance marketing, media buying, and conversion-focused digital experiences. We connect businesses with the right audiences by developing data-driven customer acquisition campaigns, optimized landing pages, and scalable marketing strategies designed to generate qualified leads, strengthen brand visibility, and deliver measurable long-term growth.

Our Story

Spline Media was founded in Aspen with a clear belief: the best marketing isn't the loudest — it's the most precise, tested, and respectful of both the brand and the customer.

We started as a small team obsessed with conversion rate optimization and honest media buying. Over the years we’ve grown into a full-service performance partner trusted by brands and affiliate networks who want sustainable, compliant growth without the smoke and mirrors common in digital advertising.

THE SPLINE DIFFERENCE
We treat every advertising dollar as if it were our own — because in many ways, it is. Our reputation is built on the results we deliver and the trust we maintain.

Core Values

These principles guide every campaign, every conversation, and every decision we make.

Precision & Data Integrity

We make decisions based on clean data and rigorous analysis. We never inflate numbers or hide underperformance.

Transparent Partnership

We share wins and challenges openly. You always know exactly how your budget is performing and why.

Creative & Conversion Excellence

Beautiful creative that also converts. We obsess over landing page performance as much as we do media buying.

Long-Term Thinking

We build campaigns designed to compound over time. Short-term hacks are rarely in our clients’ best interest.

Leadership

A small, senior team with deep experience across performance marketing, creative, and analytics.

Caroline Mack

Founder

As the founder of Spline Media, Caroline sets the vision for the agency, focusing on fostering sustainable partnerships and maintaining the high standards of integrity and performance that define our work.

Alejandro Delfin Perez Leon

Chief Strategist

Alejandro directs our high-level growth strategy, synthesizing complex market data into actionable roadmaps that ensure our clients' campaigns deliver consistent, scalable results.

Quentin Vervenne

Performance Marketing & Media Buying Manager

Quentin manages our media buying ecosystem. He specializes in optimizing ad spend across platforms, leveraging real-time data to maximize ROAS and ensure every campaign achieves its performance targets efficiently.

Sophia Reyes

Lead Growth Strategist

Sophia designs end-to-end acquisition funnels tailored for brand expansion. She excels at aligning client goals with market opportunities to rapidly generate qualified leads and drive sustainable market share growth.

BASED IN

Aspen, Colorado

Our home in the Rocky Mountains shapes how we work: focused, deliberate, and with a long view. We believe great marketing requires clarity and calm — qualities easier to maintain when you’re surrounded by 14,000-foot peaks rather than endless office noise.

310 Oak Lane, Aspen, CO 81611

Symbolic image of a skier ascending a snow-covered mountain in Aspen with a glowing upward arrow trail, representing strategic growth for brands and affiliates

We help brands climb higher.

Just like a skier methodically ascending a mountain, we guide brands and affiliate partners upward with clear strategy, precise execution, and continuous optimization.

Our role is to provide the path, the tools, and the momentum — so your business reaches new heights sustainably and with integrity.

Independent. Transparent. Performance-obsessed.

Why brands choose Spline Media

We’re not the biggest agency. We’re the one that treats your budget and your customers with the respect they deserve.

NO BLACK BOXES
Full transparency on strategy, spend allocation, and performance data at all times.
SENIOR-LED
You work directly with experienced strategists and creatives — not junior teams learning on your budget.
CONVERSION OBSESSED
Media buying is only half the equation. We obsess over landing pages, messaging, and funnel optimization.
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