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 Chairman and CEO Klaus Kleinfeld tells WSJ's Tanya Rivero about the decision to split 127-year-old company Alcoa. Parent company Arconic Inc. will focus on the faster-growing aerospace and ...

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 ...

The abrupt departure of Arconic Inc. Chief Executive Klaus Kleinfeld shows how big investors are tempering the once-brazen behavior of both sides in activist shareholder campaigns. “The side ...

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 ...

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 ...

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 ...

(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.

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 ...