He earned a new contract at the club, but he is adamant that he can do more.
"This year is my best year as a professional footballer". All of the players signed shirts for the 50 guests present before asking questions on the Champions League final against Liverpool. "They have a good team, a good coach and we are expected it to be a very hard game but we'll be prepared".
Firmino has established himself as one of Europe's elite strikers, with his tally of 10 Champions League goals only bettered by Real Madrid talisman Cristiano Ronaldo.
GETTYLiverpool news Real Madrid will head into the Champions League final as favourites
"I am still a little bit "restless", as I always want more, to grow and grow even further", Firmino told uefa.com, ahead of the Champions League final against Real Madrid on May 25.
"However, you can not beat yourselves up about these things all the time and you must always keep moving forward".
As well as being a boost for Liverpool, it will surely be a boost for the German worldwide if he is involved in the Champions League final, after suffering the disappointment of being left out of Germany's provisional 27-man World Cup squad - especially considering that goalkeeper Manuel Neuer, who has missed most of the Bundesliga season with injury, was nevertheless included in Joachim Löw's squad. "I am pretty pleased and very happy with my performance and the entire team's performance".