Nessim Torabi-Pour

SiSaf Ltd. engages in the design and formulation of drugs for topical delivery systems. Its proprietary technology represents a highly effective, non-irritant carrier for cosmetic and medical products, where improved skin penetration, targeting, and controlled release are required. The firm uses nanosilicon as a carrier for active compounds allowing them to penetrate deep beneath the skin's epidermal barrier for controlled release. It operates through its offices located in Belfast and San Jose. The company was founded by Suzanne Roghieh Saffie-Siebert and Timothy John Brundle in 2006 and is headquartered in Belfast, the United Kingdom.

Part of EyePoint Pharmaceuticals, Inc., pSiMedica Ltd. is a British company that researches and develops nanostructured porous silicon. The company is based in Malvern, UK. The company was founded by Sam di Giacomo. The CEO is Roger Aston. pSiMedica was acquired by EyePoint Pharmaceuticals, Inc. on August 05, 2004 for $40.97 million.