Brian León

Articles by Brian León

Senior Content Writer at Funnel, Brian has 10+ years of experience in marketing, journalism, content, communications and media.

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Graphic of an automated marketing data pipeline connecting various ad sources into a unified funnel

How to build a marketing data pipeline: A step-by-step guide

Most marketing data pipeline failures are silent. A platform deprecates a metric. A connector stops updating. The dashboard keeps serving whatever dat...

Two cables about to be connected
Data

What are marketing data connectors, and why do they keep breaking?

Paid social conversions are down 30% week over week, but nobody's changed anything. You double-check spend, creative and audience targeting. Everythin...

Clean visual of the control group and test group in an incrementality test

The best software for marketing incrementality testing (2026)

If incrementality testing has done one thing, it’s replaced “we think this worked” with “we can prove it did.” But knowing the methodology works and k...

Abstract illustration of layered geometric forms representing the choice between two categories of marketing measurement platforms
Measurement

Sellforte alternatives: measuring marketing impact beyond a single MMM vendor

If you’re on the hunt for a Sellforte alternative, you already know marketing mix modeling (MMM) is a key part of the marketing measurement equation, ...

Abstract illustration of two paths for marketing data, a connector that moves data and a data hub that stores and organizes it
Data

Windsor.ai alternatives: what to use when you’ve outgrown the pipe

The best Windsor.ai alternatives are Funnel, Supermetrics, Coupler.io, AgencyAnalytics and Whatagraph. Funnel is the strongest choice for marketers wh...

Abstract minimalist composition representing how marketing data behaves differently from other enterprise data
Data

Best enterprise ETL tools for marketing data integration in 2026

Here's the thing nobody tells you when you buy enterprise ETL: it works fine on your CRM, your finance data and your product database. Then someone pl...

Shopping cart to represent e-commerce and retail
Measurement

Best MMM solutions for retail and e-commerce

Imagine running three promotions at once across six channels while your demand curve looks like a ski slope. That’s an average Tuesday in retail. Mark...

A boomerang, representing data leaving the warehouse and returning to where it's needed
Data

What is reverse ETL? A guide for marketing teams

Your data team has spent months perfecting a single source of truth. All the gold is there: customer lifetime value, churn risk scores and audience se...

A flat vector graphic comparing a single ETL pipeline that splits into messy data points versus a structural block that aligns data streams
Marketing Data

Windsor.ai vs. Funnel: which is right for your marketing data stack?

Windsor.ai is a data connector that extracts marketing metrics from ad platforms and moves them to a destination. Funnel is a marketing data hub that ...

Abstract image of Funnel.io alternatives and choosing the right marketing data tool
Marketing

Funnel.io alternatives: why teams evaluating the category keep coming back to Funnel

Every Monday, someone on your team logs into Google Ads, Meta and LinkedIn, pulls the data into a spreadsheet and finds out that the numbers don’t mat...