B2B Data

Featured

AI in Go-to-Market Is Only as Strong as the Data Behind It

AI is transforming go-to-market, but without high-quality data, it risks scaling bad decisions. Here’s why data readiness is the real competitive edge.

B2B Data

Spotlight

Customer Data Deduplication: Best Methods & Tools

B2B Data

Spotlight

B2B Data Integration: Best Tools and Guide

Ilse Van Rensburg

Senior Content Manager

Ilse is a Senior Content and Strategy Manager specialising in B2B growth, sales-aligned content, and long-form strategic analysis. She writes extensively on topics including prospecting, lead generation, compliance, and commercial decision-making, with a focus on producing practical, evidence-led content that supports revenue teams and builds buyer confidence.

Ilse is also a published novelist. This background informs her approach to content strategy, bringing a strong command of structure, narrative, and audience understanding to the creation of thoughtful, high-impact content.

Expertise

B2B marketing
B2B sales
B2B data
Compliance

Education

University of South Africa: BA Languages and Literature, Creative Writing
UX Writing Hub: UX Writing Certification, Marketing

Marketing Lead Generation

Webinar Lead Generation: Fix Low-Intent Leads for Good

Does webinar lead generation still work? Discover how to run webinars that generate high-intent leads and real pipeline, not just registrants.

B2B Data

Waterfall Data Enrichment: Pros & Cons [2026]

What is waterfall enrichment & is it a benefit for your business? Click to read the pros, cons & how Cognism’s approach sets it apart from other B2B tools.

B2B Data Lead Generation Enrichment

What is Lead Enrichment? Everything to Know in 2026

Lead enrichment can help your sales team increase conversions! Click to discover what it is, how it works & how to use it to enhance the sales process.

Sales B2B Data

Data Sourcing: Types, Tips & How to Find Quality B2B Data

For effective sales and marketing, it’s essential that your data comes from high-quality sources. Click to read Cognism’s data sourcing guide.

B2B Data Enrichment

Contact Data Enrichment: Automate Fresh, Accurate B2B Data

Turn leads into opportunities with fresh, accurate data. Click to learn how contact data enrichment can enhance your sales pipeline in a few easy steps.

Sales Lead Generation

11 Sales Goals Every Manager Needs to Know

Hit your number and achieve your targets! Click to see sales goals and SMART goal examples every manager needs for better pipeline performance.

Marketing

What is Total Addressable Market (TAM)? + How to Calculate It

Learn what total addressable market (TAM) is, how to calculate it using top-down, bottom-up & value theory methods, & why it matters for B2B teams.

B2B Sales Cold Outreach

185 Email Subject Lines for Sales in 2026

Discover the ultimate collection of email subject lines! Boost open rates & ignite engagement with a handpicked selection from Cognism’s B2B sales leaders.

B2B Data GTM Expansion

Successful Global Expansion: Tactics for Entering New Markets

Build a winning global expansion strategy using international B2B data. Learn how to overcome challenges and fuel international business expansion.

The Cognism Blog

Cognism Connect

Ilse Van Rensburg

Expertise

Education

Posts by Ilse Van Rensburg

Reach the right people, faster

An average of 20-40% pipeline increase for Cognism customers.