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Ziemek Bućko

Ziemek Bućko

Content Manager & Analyst @ Hunter.io

Poland
We Looked Into AI SDRs, And They're Not What You Think
AI

We Looked Into AI SDRs, And They're Not What You Think

AI SDRs are sold as AI employees that can replace your sales team. We went through vendor websites and 61 official videos from Artisan, 11x, Salesforge and AiSDR to find out what these AI sales agents really do and what they cost.

Ziemek Bućko • 06 October 2026
AI for Sales Prospecting: Workflow, Tools and Where AI Breaks
AI

AI for Sales Prospecting: Workflow, Tools and Where AI Breaks

AI is great at prospect research and bad at contact data. In our study, 76% of email addresses from a dozen leading LLMs failed verification. This 5-step workflow puts AI to work where it helps and keeps a verified B2B database as the source of your contacts.

Ziemek Bućko • 06 October 2026
Should You Email Two People at the Same Company?
Outreach

Should You Email Two People at the Same Company?

When a sender contacts several people at the same company within one campaign, does that company become more likely to reply?

Ziemek Bućko • 16 September 2026
LLMs Get 76% Of Emails Wrong, But Hunter Can Easily Fix It
Outreach

LLMs Get 76% Of Emails Wrong, But Hunter Can Easily Fix It

76% of email addresses returned by an average LLM are invalid, unless you add Hunter to the process.

Ziemek Bućko • 01 September 2026
Is Email Outreach Seasonal?
Outreach

Is Email Outreach Seasonal?

We analyzed 5 years worth of data and yes: there is some seasonality to email outreach.

Ziemek Bućko • 31 July 2026
Research-Led Prospecting with Hunter and Perplexity
Outreach

Research-Led Prospecting with Hunter and Perplexity

Use Perplexity to find what is happening on the open web right now, then use Hunter to turn those companies into verified, contactable people.

Ziemek Bućko • 27 July 2026
How to Use Hunter with Claude for Prospecting
AI

How to Use Hunter with Claude for Prospecting

Connect Hunter to Claude and turn a vague ask into named, verified contacts, then into a reusable account-scoring sheet you keep.

Ziemek Bućko • 27 July 2026
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