React4life is an Italian biotech company founded in 2016 after more than 15 years of R&D by Silvia Scaglione and Maurizio Aiello, together with a multidisciplinary team of experts, with the ambition to turn the promise of biomedical research into concrete benefits for society. Scientists can finally rely on a new enabling technology to recapitulate human biology in the lab: MIVO® (Multi In Vitro Organ), the next generation of organ-on-a-chip. This cutting-edge microphysiological system enables researchers to overcome the limits of current in vitro assays and animal models. It improves the reliability and predictivity of several applications: pharmaceutical drug-testing, personalized medicine, novel immuno-oncology therapies, cosmetics, dermatology, and nutraceutical.