I applied online. The process took 3 weeks. I interviewed at The Blackstone Group (London, England)
Interview
First round interviews consisted in
excel test: multiple choice questions, pivot tables and specific questions about data on the table
HR interview : previous work experience, behavioural questions, why blackstone and why this position
Second round interviews with the analyst and the VP
Tell me about yourself, your biggest accomplishment, how did you improve the efficiency of a system, dissertation, previous work experience, why blackstone, your ideal future job