He was also a co-founder of soft cheese manufacturer E. Baer & Co in Küssnacht am Rigi in 1922 (today part of Lactalis) and owner of the Blausee AG, operating company of a historic hotel and farm, since 1925.

His paternal grandparents, originally from Zürich, emigrated to Cernay, Haut-Rhin in the Alsace region of France at the beginning of the 19th century due to religious persecution for being Anabaptist.

[citation needed] In 1909, after getting experienced in his trade, while working in Zürich, Basel and Stuttgart (then Grand Duchy of Baden), he took-over the bakery of his former master Fritz Wälti.

[6] During the next years, he expanded the company gradually from a small bakery and confectionary shop into a global player of biscuit manufacturing.

In 1922, Kambly co-founded the soft cheese producer E. Baer & Co. in Küssnacht am Rigi, which was ultimately sold to Lactalis, a French dairy concern.