Monsanto Monsanto The Monsanto Company () was an American agrochemical and agricultural biotechnology corporation that existed from 1901 until 2018 when it was acquired by Bayer. It was headquartered in Creve Coeur, Missouri. Monsanto developed Roundup, a glyphosate-based herbicide in the 1970s, and became a major producer of genetically engineered crops. Monsanto was one of four groups to introduce genes into plants (1983), and was among the first to conduct field trials of genetically modified crops, (1987). It was one of the top 10 U.S. chemical companies until it divested most of its chemical businesses between 1997 and 2002, through a
Monsanto Roundup to generic producers. Monsanto overhauled its internal controls. Two of their top CPAs were suspended and Monsanto was required to hire, at their expense, an independent ethics/compliance consultant for two years. A review of glyphosate's carcinogenic potential by four independent expert panels, with a comparison to the IARC assessment, was published in September 2016. Using emails released in August 2017 by plaintiffs' lawyers who are suing Monsanto, "Bloomberg Business Week" reported that "Monsanto scientists were heavily involved in organizing, reviewing, and editing drafts submitted by the outside experts." A Monsanto spokesperson responded that Monsanto had provided only non-substantive cosmetic