Hafiz Rahman
Author · Technology Executive · Entrepreneur
Systems thinking for better decisions, better organizations, and better lives.
Coming Soon
Full Stack Life
How to Find the Real Problem Before You Fix the Wrong One
A five-layer framework for diagnosing the hidden systems behind recurring problems—and identifying the layer that actually needs attention.
Most self-improvement starts by asking how to change.
Full Stack Life starts one step earlier:
What if you're trying to change the wrong thing?
The Full Stack Life Framework
Five layers.
Diagnosed from the foundation up.
Problems often appear higher in the stack than where they originate. Full Stack Life teaches you to diagnose from the foundation upward.
- UXDoes it feel good to use your own life?
- FrontendWhat other people experience.
- BackendThe logic running unattended.
- DataWhat you let in.
- InfrastructureYour body.
Decision System
How Companies Turn Trusted Data Into Decisions That Change Outcomes
Organizations rarely suffer from a shortage of data. The harder problem is knowing which numbers to trust, what they mean, and what decision should follow.
“ This book perfectly captures and solves many problems I've encountered with data across multiple organizations I've worked in. A clear system that helps cut through the noise and provides a sanity check for the decision-making process.
Essential reading for any modern executive.”
“ This book perfectly captures and solves many problems I've encountered with data across multiple organizations I've worked in. A clear system that helps cut through the noise and provides a sanity check for the decision-making process.
Essential reading for any modern executive.”
“ A light, fast, and engaging read that argues the real challenge in decision-making is not the lack of data, but the design of the decision system itself. Through a practical six-layer framework, it offers valuable insights for both decision-makers and those building decision systems.
A must-have non-technical read for every data professional and leader.”
“ A light, fast, and engaging read that argues the real challenge in decision-making is not the lack of data, but the design of the decision system itself. Through a practical six-layer framework, it offers valuable insights for both decision-makers and those building decision systems.
A must-have non-technical read for every data professional and leader.”
“ You built the platform. Decision System shows you how to earn the business's trust in what comes out of it through explicit definitions, enforceable data contracts, and ownership designed for trust rather than left to hope.
An indispensable read for technology leaders who want their platforms to drive confident business decisions.”
“ You built the platform. Decision System shows you how to earn the business's trust in what comes out of it through explicit definitions, enforceable data contracts, and ownership designed for trust rather than left to hope.
An indispensable read for technology leaders who want their platforms to drive confident business decisions.”
First book · Independently published 2019
Solving Business Problems Using SQL
A Definitive Guide for Beginners Who Want to Be Proficient in Database Design and Writing SQL
Hafiz Rahman's first book, independently published in 2019, is a practical introduction to SQL and relational database design.
- Learn SQL by solving real-world business problems, not just memorising syntax
- Build a complete relational database from scratch, step by step
- Written for beginners, analysts, developers, and anyone working with data
About
About Hafiz
Hafiz Rahman is an author, technology executive and entrepreneur with 28+ years of experience across engineering, data, AI and organizational transformation.
His work has evolved from building technology systems to understanding the systems behind organizational and human decisions.