German multinational pharmaceutical and biotechnology company. Acquired Monsanto in 2018.
Bayer's Roundup weedkiller (glyphosate) has been subject to over 100,000 lawsuits claiming it causes non-Hodgkin's lymphoma. Bayer agreed to pay $10.9B in settlements. WHO's cancer agency classified glyphosate as 'probably carcinogenic to humans' in 2015.