His career within the group included a span of almost 10 years in Chile (1970–1980), first as national sales manager and later as director of marketing.

As senior vice-president in charge of the Culinary Products Division, he had worldwide responsibility for that business area.

On 1 January 1992, Brabeck-Letmathe was appointed executive vice-president of Nestlé S.A., with global responsibility for the Strategic Business Group encompassing food, Buitoni pasta, chocolate and confectionery, ice cream, pet food, and industrial products (aromas).

He added, "Personally, I believe it's better to give a foodstuff a value so that we're all aware it has its price, and then that one should take specific measures for the part of the population that has no access to this water.

"[4][5] Following controversy on social media about these remarks, he stated that he does believe that water for basic hygiene and drinking is indeed a human right.

[citation needed] According to Euronews, Peter Brabeck-Letmathe is a close friend of Konstantin Sidorov, founder and CEO of London Technology Club.