Hamza Haouchine, Author at WhichCert.com

Hamza Haouchine

Hamza Haouchine is a Quality and Business Development professional with a strong foundation in ISO standards, Lean Six Sigma, and process improvement. Certified as a PECB ISO 45001 Provisional Implementer and TUM Lean Six Sigma Yellow Belt, he has led ISO 9001 and QEHS initiatives across multiple industries, including Oil & Gas, staffing, and energy systems. A tech enthusiast and lifelong learner, Hamza is passionate about exploring how technology, data, and digital tools can enhance organizational efficiency and personal productivity. Through his writing, he bridges the gap between professional certifications, business excellence, and modern tech, helping professionals grow their skills and careers.

How to get Six Sigma Certification? (Six Sigma Certification Requirements)

People Certifications, Quality Engineering / Hamza Haouchine / October 19, 2025

Getting Lean Six Sigma Certification is not a universal path. Before finding my article, you may have come across suggestions such as starting with studying the “Body of Knowledge,” or another course provider recommending a one-week online training followed by an online exam, which can be confusing. In this article, I’ll answer how to get […]

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What are the different levels of Six Sigma? (Lean Six Sigma belts)

Six Sigma belts? Is it about martial arts? I used to think black belts were only for judo. Then I learned that business has belts too. Lean Six Sigma can advance your career and is often simpler to earn than a martial arts belt. In this post, I’ll share the different levels of Six Sigma.