Pablo Serrano
@pablo.serranoAntwerp, BE
AI stack
- ChatGPT
- OpenAI API
- Zapier
Can do
- Automate workflows
- Email management with AI
- Integrate APIs and webhooks
Cases
LinkedIn outreach playbook
Daily 30-message campaign with AI-written first lines, follow-up after 4 days. Built on Phantombuster + n8n.
Generated 14 SQLs in the first 30 days.
ChatGPTn8n
Renewal-risk scoring
Monthly scoring of accounts based on usage signals + GPT-4 narrative summary. CSMs get a prioritized list.
Renewal rate up 6 pp quarter-over-quarter.
OpenAI APIn8nSlack
#2 today
Cold-email personalization at scale
Apollo → n8n → GPT-4 generates per-lead personalization based on LinkedIn + company news → Smartlead.
Open rate 41%, reply rate 8.5%, on 800 emails/week.
OpenAI APIn8nZapier
