Lucas di Grassi is a smiler, always has been. Never have the smiles been broader than when he scaled another motorsport height - whether winning the Macau Formula 3 classic, claiming yet another GP2 win, being announced as a Formula 1 driver for Virgin Racing, winning in the World Endurance Championship or Formula E for Audi, or clinching the FE title this summer.
That last accolade was a particularly sweet moment for the 33-year-old Brazilian, for he had previously driven in GP2 (pictured below) - and developed the Gen2 2008-10 GP2 car - for FE founder Alejandro Agag, who recognised his technical, analytical and tyre development skills, and went on to contract him as a test driver for the nascent FE project.
Indeed, at the 2013 Frankfurt Motorshow di Grassi formed part of FE's launch team, joining Agag on stage at the Michelin stand to unveil the series' prototype and explaining the series' technicalities in simple terms.