Karol Wegrzyniak

Karol Wegrzyniak is the founder of Data-Driven Expert, with 16 years of experience in digital marketing and web analytics. The channel states that Karol Wegrzyniak manages online marketing budgets of several million dollars annually.

The Data-Driven Expert library offers courses and tutorials on Google Ads, Google Analytics 4, Google Tag Manager, Facebook Ads, Google Firebase, Google BigQuery, Google Looker Studio, and Google Optimize. Recent content includes practical guides on data layers, SQL functions for marketers, and optimization of advertising campaigns across platforms.