Thirteen years ago, no one wanted to buy a money-losing hearing-aid battery maker. No one but Michael Tojner. Against all odds, Austria's 'Mr 300 percent' turned that $40 million investment into a $1.9 billion fortune (thank you, Apple!). Now he has to fend off the copycats
Michael Tojner, CEO of Montana Tech Components, at a news conference in Vienna
Image: Heinz-Peter Bader / Reuters
(This story appears in the 05 June, 2020 issue of Forbes India. To visit our Archives, click here.)