Wenger would not confirm what that decision was but the Frenchman is under increasing pressure with Arsenal's season on the brink of collapse after seven defeats in the last nine matches in all competitions.
"I know what I will do in my future and will let you know soon. You will see," said Wenger after the 3-1 defeat at West Brom.
The Gunners lost again on Saturday, a 3-1 defeat at West Brom leaving them in fifth place in the Premier League and five points adrift of the Champions League qualification spots.
It led to Wenger being asked questions again regarding his future - with his contract set to expire at the end of the season.
Read the full article on eurosport.co.uk: Wenger to announce future plans 'very soon'