Hereditary chef and owner of the Da Nicola Neapolitan restaurant in Savona (Liguria). The restaurant was founded by his family in 1956. Gianmaria Sapia began his career at the age of 15, at 18 he left for the USA, where he worked in Orlando and Miami restaurants.
When the chef returned to Italy, he continued to work for Da Nicola. The restaurant gained media recognition thanks to the chef's new ideas. Two books about Da Nicola's success were published in 2000 and 2008. Later, Gianmaria worked in Berlin, Amsterdam and Menton, where he consulted and trained staff in the peculiarities of traditional Italian cuisine.
In 2018, Gianmaria became the chef of the Mollusca restaurant on Patriarch's Ponds.