New Release

Undefeated: Building Your Kingdom

A 240-page blueprint for the man or woman who refuses to lose by default. Mind. Body. Business. Built daily. Defended forever.

Inside the Book

Five chapters. One transformation.

EHR Strategy & Implementation

Vendor selection, rollout planning and workflow optimization across Epic, Cerner and athenahealth.

Forge Your Body, Free Your Mind

A practical framework with field-tested exercises.

The Founder's First 1,000 Days

A practical framework with field-tested exercises.

Negotiating with Your Future Self

A practical framework with field-tested exercises.

Building a Kingdom That Outlives You

A practical framework with field-tested exercises.

About the Author

Coach Isaac

saac is a healthcare IT consultant, performance coach, keynote speaker and founder of A Cronen CricLLC. Over the last decade he has helped hundreds of clients modernize their tech, transform their bodies, and launch businesses that last.

Undefeated distills everything he teaches one-on-one into a single, give-it-to-anyone playbook.

Stop losing to yourself.

Order Undefeated and start your kingdom today.

Scroll to Top