CTO Sentinel

Built for CTOs Who Lead in Complexity

This is your entry point to a new kind of leadership. One built for systems in motion.

Today’s technology leaders don’t just write code or manage delivery, they shape the systems that shape the business.

CTO Sentinel exists to help you lead through that complexity with clarity, precision, and momentum.

The Four Sentinel show you how

“The best CTOs don’t fight complexity. They learn to see it, shape it, and lead through it.”

Meet our awesome team

Passionate about technology leadership

Kathy Keating
Kathy Keating

Kathy is a CTO, board-certified director, and founder focused on advising and scaling high-growth SaaS. Kathy cultivates thriving product engineering organizations that deliver transformational growth.

Etienne de Bruin
Etienne de Bruin

Etienne is the founder of 7CTOs, a global peer network for technology leaders, and an executive coach focused on helping CTOs apply systems thinking to leadership.

Scott Graves
Scott Graves

Scott is a fractional CTO for scaling startups, specializing in helping fast-growing companies navigate complexity and thrive.

build a strong technology foundation

CTO Levels

bring Sentinel into your annual planning

CTO Compass

Liquid book

Behind every great tech org is a system in motion.

Liquid gives you the clarity to lead through the complexity not just struggle within it.
Book launches August 2025!