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.
Marvin Karis

Lead Enrichment•
The Leadfeeder guide on how to choose a data provider

Lead Enrichment•
Buying B2B Addresses: Complete Guide for Sales Teams

Sales Automation•
Drip Email Marketing: What It Is, What It Offers, and Why You Need It

Sales Automation•
Navigating Google & Yahoo’s Bulk Email Policies

Lead Enrichment•
Best B2B Contact Databases in 2026
Subscribe to our
Marketing Newsletter
Get real insights directly to your inbox.
No spam, unsubscribe anytime.

Sales Automation•
Six Ways to Transform Your Sales Prospecting Process Using Leadfeeder’s CRM Integration

Lead Enrichment•
22 Best B2B Data Vendors and Providers for 2026

Sales Automation•
Best Sales Enablement Tools You Need For 2026

Lead Enrichment•
Best Contact Database Software for B2B Sales in 2026

Lead Enrichment•
What Is Lead Enrichment? Your Ultimate Guide

Sales Automation•