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Stef Wertheimer

BTL factory workers meet, following an announcement of the closure of the production line and planned layoffs, December 4, 2022. (Courtesy/ Histadrut labor federation)
June 17, 2026, 7:58 pm
After more than 50 years, US engine-maker Pratt & Whitney is shutting down Israel factory
Following four years of struggle to prevent the closure of the plant, formerly owned by the Wertheimer family, BTL’s 600 workers in the north will be laid off
By Sharon Wrobel
Stef Wertheimer in Nazareth, Northern Israel, on April 6, 2016 (Mark Neyman/GPO/File)
March 26, 2025, 2:41 pm
Billionaire industrialist and philanthropist Stef Wertheimer dies at 98
German-born businessman sold metalworking company to Warren Buffett, built industrial parks to encourage economic development in disadvantaged communities
By ToI Staff
Eitan Wertheimer attends a conference at Jerusalem's International Convention Center, on May 8, 2012. (Uri Lenz/FLASH90)
April 4, 2022, 2:20 pm
Billionaire businessman Eitan Wertheimer dies at 70
Nahariya-born entrepreneur became one of Israel’s wealthiest men after US tycoon Warren Buffet bought a controlling share in his company, Iscar
By Steve Leibowitz
Miriam Adelson speaks at the Israeli-American Council conference in Hollywood, Florida, November 30, 2018. (Perry Bindelglass/Israeli-American Council/via JTA)
June 19, 2019, 9:59 pm
Miriam Adelson shoots to top of Israel’s rich list
Following recent transfer of assets, wife of casino mogul overtakes recent immigrant Roman Abramovich for title of wealthiest Israeli
By Marcy Oster
Aviva Ofer, wife of the late Sammy Ofer, flanked by their sons, Eyal (r) and Idan (l), cuts the ribbon at event at Rambam Medical Center in Haifa. (photo credit: Paul Melling-RHCC)
June 10, 2018, 12:50 am
Shipping magnate Ofer at top of Abramovich-less rich list
Ranking of wealthiest Israelis finalized before Chelsea-owning Russian-Jewish billionaire immigrated, catapulting him to top of roster
By ToI Staff
Stef Wertheimer, a self-made magnate, at a graduation ceremony last year (photo credit: Yonatan Sindel/Flash 90)
From the WebDecember 4, 2015, 5:45 am
Billionaire questions Israel’s tech culture
Independent: A contrarian about Israel’s tech culture, Stef Wertheimer has other ideas about the country’s future
Dr. Amir Ziv Av and Ziva Patir (center) with Butil officials at the Nanjing signing ceremony (Photo credit:Courtesy)
May 1, 2015, 11:11 am
Where Better Place failed, Israeli engineers seek to help China succeed
Battery-swapping for electric cars never took off, but a Chinese city is looking to the technology for its electric bus fleet
By David Shamah
Stef Wertheimer (second right) and Dr. Amir Ziv-Av (far right) stand with Ben Gurion University engineering students at ICME 2015. The students presented a Formula One racecar they designed, March 3 2015 (Photo credit: Courtesy)
March 10, 2015, 6:42 pm
Stef Wertheimer: Zionism needs economic recalibration
High-tech is nice, according to the Israeli magnate, but it will never provide the number of jobs manufacturing does
By David Shamah
Walking down the Gindi Tel Aviv runway in the new collection of Maskit (Courtesy Maskit)
May 26, 2014, 5:54 am
A ready-to-wear fashion house rooted in Israel’s ethnic past
Designer Sharon Tal brings back Maskit, infusing it with fashionista know-how
By Jessica Steinberg
Warren Buffett in Jerusalem in 2006. (hoto credit: Orel Cohen/Flash90)
From the WebMay 1, 2013, 6:22 pm
Buffett exercising option to buy Iscar outright
Globes: Berkshire Hathaway to pay $2 billion for the remaining 20% stake in Israeli tool company
March 8, 2012, 11:55 am
Women on the front
International Women’s Day has gals up top, Iran’s ‘smoking gun,’ Tel Aviv to be demilitarized and Israel’s billionaires make Forbes list
By Ron Friedman
Idan Ofer with his late father Sammy Ofer. (Moshe Shai/Flash90)
March 7, 2012, 9:54 pm
13 Israelis make Forbes’ billionaires list
Financial magazine tallies 1,226 billionaires in the world, an all-time record
By Yoel Goldman
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