It was at the Architectural Association where Gabellini was mentored by influential architects such as Rem Koolhas, Elia Zenghelis, Nigel Coates, Bernard Tschumi, Dalibor Vesely and Zaha Hadid.
[citation needed] After graduation, he worked for six years with prominent architecture firm Kohn Pedersen Fox Associates in New York.
[citation needed] The firm’s earliest commissions, for fashion designer Jil Sander, led to a 14-year collaboration spanning over 80 retail spaces worldwide with the brand.
In subsequent years, the firm continues to develop retail, public and exhibition projects while expanding their practice into hospitality and residential design (single and multi family).
[11] In fall of 2014, the firm’s redesign of the iconic Rainbow Room at Rockefeller Center will open to the public.