It depends on your language abilities and the kind of lesson(s) you book. Luca has given and is able to give specific coaching lessons in Italian, English, French Spanish, German, and Russian. If the lessons are intended solely as speaking practice (no language learning instruction) , he can speak in all the languages he has under his belt (Italian, English, French, Spanish, German, Dutch, Swedish, Russian, Portuguese, Mandarin Chinese, Japanese and Polish)