Marvin Karis is a go-to-market leader at Leadfeeder with deep experience across sales leadership, revenue operations, and GTM execution. His work focuses on helping revenue teams turn data and buyer signals into structured processes that generate predictable pipeline.
Having worked closely with sales and marketing teams across the Leadfeeder platform, Marvin brings a practical understanding of how companies use lead data, enrichment, and automation to prioritize accounts and engage prospects more effectively.
Blogs
Lead Enrichment•
B2B Data: What It Is and How to Use It
Lead Enrichment•
Beyond Cookies: IP Enrichment for Website Visitor Identification
Lead Enrichment•
What Is Lead Data Enrichment? Your Ultimate Guide
Lead Enrichment•
What Is Lead Enrichment? A Practical Guide for B2B Sales
Sales Automation•
4 CRM Integration Tools That Keep Your Sales Team Focused
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Sales Automation•
5 Marketing Automation Examples to Power Your Funnel
Lead Enrichment•
The Leadfeeder guide on how to choose a B2B data provider
Lead Enrichment•
Buying a B2B Email List: Complete Guide for Sales Teams
Lead Enrichment•
Best B2B Contact Database Providers in 2026
Lead Enrichment•
22 Best B2B Data Providers and Vendors for 2026
Sales Automation•
