Kerecis | 25,452 followers on LinkedIn. Kerecis is pioneering the use of fish skin and fatty-acids in the cellular therapy and regenerative medicine market. | Kerecis was founded by Fertram Sigurjonsson around the concept of using fish skin to heal damaged tissue. The company is pioneering the use of fish skin and fatty acids in the globally expanding cellular therapy and regenerative medicine market. The fatty-acid rich (including Omega3) products from the company's patented technologies enable the body to regenerate tissues, rather than simply repair them and risk scarring.