Engineer · Entrepreneur · Author
An electrical engineer who built two companies, then wrote four books on faith, scripture, reason and history.
The Books
And the True Story of 9/11
Drawing on his background as an engineer, Kadah examines the September 11 attacks, questions the official account, and looks at the planning, aviation technology and intelligence he argues the attacks required.
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An Islamic Perspective
A reflection on the great questions of existence: why creation happened, who the Creator is, and what purpose people have as stewards of the earth. It brings together science, faith and the teachings of the Prophet Muhammad.
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Faith and knowledge
A selection of passages from the Quran touching on cosmology, physics, history and embryology, read against the knowledge of their time. The book closes by linking Islam to the other Abrahamic faiths in a shared call for peace and justice.
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With Danny Kadah
First-place winner, Comparative Religion
A study of the common origins of Judaism, Christianity and Islam: where the three faiths overlap, where they differ, and the evidence that ties them together.
View on AmazonEngineer & Entrepreneur
Long before he wrote about faith, Zag Kadah spent his working life as an electrical engineer. He designed products, founded two companies and saw both through to a successful sale.
Degree
Electrical Engineering
University of Illinois at Urbana-Champaign
Master of Science
Electronics
San Jose State University
Early years
He grew up in Syria before setting out for the United States to study engineering.
University
He earned his degree in electrical engineering at the University of Illinois at Urbana-Champaign, then returned briefly to Syria.
1966
He settled in the United States for good, where he has lived ever since.
Bay Area
Working full time and raising three sons, he completed an M.S. in electronics at San Jose State University.
First company
He founded an electronics business that designed and sold miniature solid state relays. The company grew into a success and was later sold.
Second company
He went on to found a second company providing laser services to the medical industry. It too was a success and was later sold.
Today
Now living in the Seattle area, he spends his days researching and writing about religion, and playing duplicate bridge.
About the Author
Zagloul “Zag” Kadah was raised in Syria and came to the United States to study electrical engineering. He has made his home here since 1966, building a career in electronics and founding two successful companies.
Later in life he turned to a lifelong interest: religion, and the common ground between faiths. His first book, Our God and Your God Is One, written with Danny Kadah, was a first-place winner in comparative religion in 2007, the year it was published. Three more books followed, the most recent in 2026.
Zag is married, with three sons and six grandchildren. He lives in the Seattle area, where he continues to research and write, and plays duplicate bridge.
Writing Milestones
Find the Books
All four books are available from Amazon in print, and some in hardcover and audiobook.
Zagloul Kadah on AmazonContact
Readers, book clubs and anyone interested in his work are welcome to reach out by email or phone.