Guy Verhofstadt joins Lib Dem leader Sir Vince Cable during EU election campaign

The speaker supports the most pro-European party in Britain and presents the program of the European Liberal and Democrats, where they are the leader. They express criticism of Theresa May, describing her as pathetic, and clarify that their statements were made in a different context.

What is the speaker's role within the European Liberal and Democrats?

What does the speaker imply about the company they are referring to?