Graduated in Industrial Design at the Faculty of Design of the Polytechnic of Milan in 1997, he received the third prize in the competition for designers "Young & Design" with the kitchen "ildoga", a very significant prize since for the first time a furniture program and not an object. He still collaborates with the Polytechnic of Milan, where he teaches in product design laboratories for innovation. Since 1998 he has been the owner of the "Colombo Idelfonso Industrial Designer" studio, which has always been involved in product design and design, technical consultancy, artistic direction, development and design of exhibition stands and commercial spaces. All in the furniture sector. The firm has always sought solutions to customer needs including: Citterio Cucine, Minotti Italia, Salvarani, Feg, Aico, Martex, S.Michele, Clever, Forma 2000, Favero, Fendi Casa, Cof Cucine, Vismaravetro, Doimo Cityline, Doal , Ligne Roset, Chateau d'Ax, BR&A, Trafomec, Brinna, QY, M&Z, Ruifeng, Porada, Proxima, Eveniland, Scavolini.