Link Snacks, Inc., better known as Jack Link's Protein Snacks, or simply Jack Link's, is an American snack company best known as the producer and marketer of the eponymous brand of beef jerky. It was founded by John 'Jack' Link in 1986, using the recipes of his great-grandfather, Chris Link, a master sausage maker from Germany. They are known for their "Messin' with Sasquatch" ads.