Alex Theuma speaks with Colin Nederkoorn, CEO & Co-Founder of Customer.io, about the 12 year journey to (almost) $100M ARR, running a fully distributed team across 30+ countries, and how AI is reshaping the future of SaaS.

Colin shares:

- How Customer.io scaled to 7,800+ customers worldwide.

- Why AI is no longer optional for SaaS companies, and how Customer.io has adapted.

- The challenges and opportunities of building SaaS in the AI era.

- Why growth, resilience, and adaptability are key for long-term success.

- His personal experience with AI tools and how they use AI internally at Customer.io

Guest links:

LinkedIn - https://www.linkedin.com/in/colinnederkoorn/

Website - https://customer.io/  

 

 

Check out the other ways SaaStock is helping SaaS founders move their

business forward: 

🇮🇪 SaaStock Europe: 14-15 October 2025 | Dublin, Ireland

Book tickets: https://saastock-europe.com/tickets/

🇺🇸 SaaStock USA 2025: April 2026 | Austin, Texas

Book tickets: https://saastock-usa.com/

🤝 SaaStock Founder Membership: A private members group of B2B SaaS

founders between $100K - $10M ARR who are committed to growth and

helping others (https://www.saastock.com/founder-membership/)

🌎 SaaStock Local: Monthly meet-ups in cities all around the world,

bringing together SaaS enthusiasts and experts to discuss the most

pressing topics in SaaS (https://local.saastock.com/home)