John Siffer – Biography
Last update: February 12, 2026Executive profile
John was Vice President, Operations at Radiac Abrasives, A TYROLIT Company, and Plant Manager at Material Sciences Corporation. John Siffer joined Worthington Enterprises in 2019.
John Siffer is currentlyVice President, Global Operations at Tempel Steel - View - Tempel Steel org chart
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Education
In 1995, John Siffer completed a Bachelor of Science in Electrical Engineering at University of Toledo.
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- At Tempel Steel, John Siffer has 22 colleagues including Cliff N. (CEO), Rebecca Schroeder (CFO)…
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- In the Metal industry, John Siffer has 15,730 colleagues in 1,007 companies located in 68 countries. 5,703 executive movements have been recorded in the last 12 months. Learn more about Metal.
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