The 22-year-old has joined Liverpool on a season-long loan.
Moses told Liverpool's official website: "First and foremost, I'm delighted to have made the loan from Chelsea to a big club like Liverpool.
"The most important thing is for me to be professional about it and I'm here to do a job for the club.
"The target is to get into the top four and for the club to compete in the Champions League - and I'm delighted to be here.
"The manager has done very well and the formation and players here will help me and I just want to gel in, get to know the players and play with them.
"There are a lot of quality players here - they're winning games and creating chances. It's a massive thing for me to be here."