π¬ Re-engage event participants from HubSpot with Gemini and email outreach
β‘ 0 views Β· π¬ Lead Nurturing & AI Sales Agents
Description
Event Alumni Re-engager: HubSpot β Gemini β Personalized Outreach
Who is this for?
Event marketers and conference organizers who want to reactivate past attendees with AI-personalized emails at 3-5x ROI vs. cold leads.
What problem is this workflow solving?
Alumni gold is untapped:
- Past attendees convert 3-5x better
- Manual segmentation takes hours
- Generic emails get ignored
This auto-segments + personalizes outreach from HubSpot data.
What this workflow does
CRM β AI Alumni Machine:
- Trigger: Manual (or schedule 8-12 weeks pre-event)
- HubSpot Pull: Past
event_registrationcontacts - Smart Filter: Exclude current registrants
- 3-Tier Segments: Champions (3+ events) / Returning (2) / One-timers (1)
- Gemini Personalization: Unique copy per attendee
- Email Send: Alumni-exclusive CTAs
- Slack Summary: Campaign stats posted
Main workflow required. This is a sub-workflow triggered by Event Registration with Auto-Enrichment
Setup (7 minutes)
- HubSpot: Header Auth (
Bearer YOUR_API_KEY) - Custom Property:
event_registration(comma-separated event IDs) - Gemini: Flash Lite API key
- Email: SMTP + Slack OAuth2
- Config: Event details in
Set Campaign Config
Fully configurableβno code changes needed.
How to customize to your needs
- Segments: Add VIPs / Speakers / High-LTV
- CRM: HubSpot β Salesforce β Sheets
- Copy: Edit Gemini prompts for tone/industry
- Channels: Add WhatsApp / LinkedIn
- Timing: Cron for automated runs
HubSpot Setup:
event_registration property auto-created by companion template.
ROI:
- 3-5x conversion vs. cold leads
- 60% lower CAC (alumni segment)
- 2h β 2min campaign launch
Need help customizing?:
Contact me for consulting and support: LinkedIn / Message
Keywords: event participant re-engagement, conference registration, HubSpot automation, personalized outreach, conference marketing
π Nodes Used
Send Email, HTTP Request, Slack, Google Gemini Chat Model, Information Extractor
π₯ Import
Download workflow.json and import into n8n:
Workflow menu β Import from File