GP3 champion Alex Lynn has joined Williams as the team's development driver, in addition to his already announced GP2 programme with DAMS.
Nine weeks after the 2014 finale, Formula One is now counting down the mere days before the resumption of track action.
Williams is determined to continue this positive momentum into the new season.
The team’s first double podium finish since 2005 secured third in the Constructors’ Championship with Valtteri Bottas fourth and Felipe Massa seventh in the Drivers’ Championship.
Valtteri Bottas:: "It is important for the team to get third in the championship and we have set ourselves up well to achieve that."
Felipe Massa: "The Mercedes are still looking quick, but we will keep working to close the gap."
Championship leader finishes first ahead of title rival Rosberg in opening practice at Yas Marina Circuit
Valtteri Bottas: "The double points could be interesting and we will try and play it to our advantage."
The following is a complete transcript from the post-race press conference.
Williams Martini Racing has extended its advantage over Ferrari for third in the Constructors’ Championship to 44 points.
Both drivers were pushing the Mercedes cars hard for a front row position, but neither driver was able to complete a clean final flying lap in Q3
Felipe Nasr’s last FP1 session for Williams.
Brazilian GP – preview
Both Williams drivers showed strong and consistent pace in all three sessions to lock out the second row of the grid.