They have separated their offices as well and will be moving to Queen's Buckingham Palace.
"Sara joins from Freuds where she oversaw global corporate accounts with a particular emphasis on executive thought leadership and purpose-led campaigns", the statement added of Latham, who according to her LinkedIn profile, previously served as a senior adviser to Clinton from August 2015 to November 2016. Prince William and Middleton's office will remain in Kensington Palace, where they reside with Prince George (5), Princess Charlotte (3) and Prince Louis (9 months).
Sara Latham worked for both Bill Clinton in the White House in the late 1990s and she was an adviser on Hilary Clinton's failed 2016 U.S. presidential campaign.
The Duke of Sussex now has his own private office, which has been supporting The Duchess since the engagement of Their Royal Highnesses in November 2017. Queen Elizabeth has now agreed to allow them to set up a new base at Buckingham Palace this Spring. He was also a speechwriter for the former Brexit Secretary David Davis. "They have a very clear idea of what they want to do and the instructions from the top and, of course, that comes from Prince William at Kensington Palace, they don't want others treading".
"Sara Latham has been appointed to head up communications for The Duke and Duchess of Sussex, reporting directly to The Queen's Communication Secretary", a statement released by Kensington Palace said. "That is not to say we're not going to see William, Kate, Meghan and Harry doing engagements together".
It's a reflection of the new role Harry has in the Royal Family as a married man and a soon-to-be father.
Harry and Meghan might be the most dynamic and interesting couple in the Royal Family right now - but in terms of the British Monarchy, it's William who will now get the most support as he prepares to become the next Prince of Wales and future Sovereign.