Klaus Kleinfeld was ousted as the chief executive of Arconic after he sent a letter with a vague threat to hedge fund mogul Paul Singer, The Post confirmed Wednesday night. Singer’s Elliott ...

Arconic CEO Klaus Kleinfeld has come under attack from a large activist investor seeking to oust him as CEO.Elliott Management, a $31 billion activist hedge fund led by Paul Singer, recently ...

Since he wrote a letter to hedge fund billionaire Paul Singer on April 11, Klaus Kleinfeld has had to step down as CEO and chairman of aluminum-parts maker Arconic and resign from the boards of ...

Yahoo Finance’s Julie Hyman, Myles Udland, and Brian Sozzi speak with Constellation Corp. Acquisition I CEO, Klaus Kleinfeld about the company's SPAC and ESG investing. BRIAN SOZZI: Former long ...

Klaus Kleinfeld was forced out as chairman and chief executive officer of Arconic following heavy pressure from activist investor Elliott Management. WSJ's Marie Beaudette discusses why the battle ...

I spoke last week with Klaus Kleinfeld, the former CEO of Alcoa and Siemens. After running two Fortune 500 companies on different continents, he founded and ran the investment company K2Elevation ...

"That's how disruptive and revolutionary it is," said Alcoa CEO Klaus Kleinfeld who was in Dearborn on Monday. The ability to supply aluminum exponentially faster eases fears of a shortage as the ...

(Fortune Magazine) -- Since Klaus Kleinfeld stepped into the top job at Siemens 18 months ago, he has been doing just what he promised: giving the German mega-conglomerate an invigorating shake.

Siemens CEO Klaus Kleinfeld couldn't cling on to his job once the supervisory board had turned against him -- despite his having turned Siemens around and announcing increased profits. On ...

While historically it's been best known for its aluminum, a big part of Alcoa Inc.'s future is as a "lightweight, multi-material innovation powerhouse," said CEO Klaus Kleinfeld on a conference ...