Born in Switzerland in 1983, Lionel has directed several shorts (Poisson, Eskapop and La Forêt) that were shown in international film festivals and garnered several prizes as well before finishing film school (HEAD, Geneva) in 2011. In 2012 he co-directed his first feature film Quai Ouest with his brother, Adrien Rupp. In 2015 he co-directed the feature film Heimatland, which was selected for the international competition at Locarno Film Festival. He made A Campaign of Their Own, a film about Bernie Sanders bid for the 2016 democratic nomination with Michael Mitchell.
Portál DAFilms.cz je výsledkem tvůrčí spolupráce 7 klíčových evropských festivalů dokumentárního filmu sdružených do Doc Alliance. Naším cílem je posouvat hranice dokumentárního filmu, propagovat jeho rozmanitost a podporovat kvalitní autorské filmy.