About Me

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After 35 years at Intel, I retired in September 2024 as a System SW Validation Principal Engineer.

I have an EE degree. After school, I worked as Test Engineer for 11 years at Intel’s Fab8 in Jerusalem (Israel). I did wafer-level chip testing (Wafer Sort operation). I tested 8086, 186, 286, 386 & 486’s… (remember?)

After a few years of this, I realized that EE is nice, but most of my work has to do with programming: the chip testers were controlled by software, and running analysis or creating reports – all meant writing code. So I took a number of B.A. level courses in Computer Science, and eventually ended up as a Software Test Engineer at Intel’s design center in Jerusalem – across the road from the fab. The fab, incidentally, was closed in 2007 after surviving for ~25 years (an unusually long life for chips fab).

I tested mainly embedded stuff: Cable Modem, WiFi, Bluetooth, drivers for TV set-top boxes, Graphics drivers for Intel’s mainline chips, 3D cameras, Intel’s Converged Security Engine (CSME). The last project I did at Intel was a solution to track physiotherapy patients using a camera and a cloud-based computer-vision algorithms.  I did some of the test architecture for this device, but most of my work was in establishing a Quality Management System (as required form a medical device) and managing requirements. 

My expertise (apart from hard-core, hands-on testing) is in defining test strategies and processes, training and advising teams on software test matters, quality management and requirements management. 

I am active in various industry forums:

  • Executive Board member of the Israeli Test Certification Board (ITCB) and ISTQB‘s liaison to the ISO workgroup that develops and maintains the SW testing standard (ISO 29119).
  • Column writer in Testing World (a Hebrew magazine for SW testing)
  • Teaching a graduate level course on SW Testing in the Hebrew University in Jerusalem and (starting October 2025) in Azrieli College of Engineering in Jerusalem
  • Member of the Technical Committee of QA&Test conference

I hold a full Advanced ISTQB Certification, Automation expert and Agile Foundation. I am ITCB’s Examination Officer.

I did a lot training at Intel and I present papers in conferences.… which is the main reason for this web site: to share these papers with the testing community.

 

Enjoy – and send feedback or questions!

Michael Stahl
Aug 2025

E-mail: michael.stahl@testprincipia.com

The family – August 2024

From the left
Front: Ilil (Yonatan’s wife), Yonatan
Back: Myself, Noomi (my wife), Ella, Ido (Ella’s husband), Assaf (Netta’s husband), Netta + Dan, Avital, Aaron (Avital’s husband)
Taken on vacation in Aspenes(close to Katrineholm), Sweden