Complex sentence: Ingram was the public face of the hugely successful business while the still'wanted' Harold necessarily remained hidden, thus accumulating vast wealth without having a public profile: it is made clear in the early seasons that Finch's personal fortune runs into billions of dollars.
Split into simpler sentences: Ingram was the public face of the hugely successful business while the still'wanted' Harold necessarily remained hidden, thus accumulating vast wealth without having a public profile. It is made clear in the early seasons that Finch's personal fortune runs into billions of dollars.