Insights from the UK and beyond
from The Great Debate UK:
We will bring you full coverage of Osborne's speech, including a live video feed and blog, after which we will conduct a short social media interview with him.
We want you to send us your questions to put to him.
This is your chance to grill the man who, according to the latest opinion polls, looks set to inhabit Number 11 Downing Street after the upcoming general election.
Be it on bankers' bonuses, tax havens or the Conservative Party's plans for leading us out of a recession, send us your questions now using the form below or via Twitter using the hashtag #askosborne.