Ecosystem Portfolio · Practitioner-Led · Governed for Scale
A globally connected portfolio of ecosystems
24,000+ practitioners across communities, leadership networks, and flagship conferences, operated as coherent, long-term social infrastructure.
Trusted by our ecosystem partners
Current Ecosystem Sponsors
Event Hosts
Previous Speakers FROM
Attendees joining us from
Delivery at a glance
Annual ecosystem performance
17+
Communities operated
5
Core ecosystems
45+
In-person meetups
50+
Online events
5
Conferences
10+
Community brands
100+
Total events / year
Global
UK · North America · India · APAC
Average registered attendees
79
Average online attendance
27
Average Speaker NPS
8.6
Based on 90 days between November 2025 to January 2026. Contact for verification.
Ecosystem portfolio
Each ecosystem is a coherent portfolio of communities and conferences. Every community belongs to one ecosystem to preserve clarity of audience, purpose, and value.
Data & AI
Applied AI, GenAI, data platforms, MLOps, analytics, and leadership networks shaping intelligent systems.
Cloud
Cloud platforms, architecture, operations, and modernisation across AWS, Azure, and emerging GCP capability.
Communities
Future communities
Databricks UG · GCP Cloud Community
DevOps & Platform Engineering
SRE, reliability, CI/CD, internal developer platforms, DevEx, and platform leadership — where modern operations meets engineering culture.
Communities
Leadership Programmes
Platform Engineering Leaders — small-format practitioner-to-leader bridge community
Platform Engineering Leaders Conf — London (leadership conference)
Cloud Native & Open Source
Kubernetes, CNCF tooling, OSS maintainers, and cloud native engineering culture — grounded in open collaboration and production practice.
Communities
Startups, Ventures & Operators
Where founders, operators, investors, and ecosystem builders collaborate across growth, resilience, and strategic execution.
Communities
Future communities
Startup perks · Venture/operator roundtables · Global founder network expansion
Speak to practitioners who ship.
Our ecosystems are practitioner-led and built for real production learning. Speaking is curated and theme-aligned
If you have hard-won lessons, strong technical depth, or leadership insight, we want to hear from you.
What speakers get
Curated, theme-aligned stages
High-signal audiences and strong engagement
Post-event content amplification
Repeat opportunities across the portfolio
Partner with ecosystems, not individual events.
Sponsorship with Community Stack is designed for long-term ecosystem engagement, aligned to audience, outcomes, and responsible participation. We offer global, category, community, and conference partnerships, delivered with transparent standards and governance.
Global ecosystem partners
Across the entire portfolio
Category partners
Aligned to one ecosystem
Community or conference partners
Focused visibility and deeper engagement
"We've loved partnering with Yorkshire Azure User Group and Yorkshire DevOps in Leeds, consistently high-quality, practitioner-led events."
Edward Richardson-Lee
Accenture
"We're proud to have hosted GenAI UK through the GenAI Loft programme for the second year running."
Matheus Guimaraes
AWS
"Sponsoring Community Stack lets us support practitioner-led communities focused on real delivery, reducing operational risk, cutting review toil, and improving reliability at scale."
Dylan Ratcliffe
Overmind
Get involved in the ecosystems shaping what's next.
Whether you're a practitioner looking for your people, a speaker with lessons worth sharing, or a partner who wants to engage responsibly, there's a place for you in the portfolio.