British Prime Minister Keir Starmer is to appoint Tulip Siddiq as Britain's finance minister, a position that belongs to the Treasury, making her a central figure in regulating and advocating for the key financial services industry. Siddiq, who has been an MP since 2015, is expected to be appointed as economy secretary to the Treasury, according to people familiar with the matter. This is her equivalent position in Starmer's shadow cabinet. The position is known as City Secretary, referring to t...