Suarez received a hefty sanction from Fifa after biting Giorgio Chiellini in Uruguay's crunch Group D match against Italy during the World Cup. The striker was subsequently handed a four-match suspension from all football-related activity and banned for his country's next nine competitive matches.
Despite failing with an appeal, the Uruguayan Football Association (AUF) is now set to take its case to the Court of Arbitration for Sport (CAS).
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"We are supporting the appeal being made by the Uruguayan Federation and are convinced that Fifa's initial sanction will be reduced," he told the club's official website.
"He recognised his mistake and Barca will be making sure he successfully reintegrates into the football world.
"Suarez will bring his top qualities as a footballer [to Barcelona], with goals and the desire to compete and win. We'll all help him and his family to adapt quickly to Barcelona and the team."
The president also sought to clarify that the club’s transfer spending was not yet over.
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"We are focusing our efforts on finding what the coaches need, which, as you know, still means we have to sign some new players, probably in defence.
"I'm excited about it because this is the in-depth restructuring that we'd talked about. [Barcelona sporting director Andoni] Zubizarreta and Luis Enrique are working hard to make a team that can challenge for everything. The team is in good hands."