The couple is also in the process of moving from a cottage in the grounds of Kensington Palace, where William and Kate live, to a new home on the royal family's Windsor Estate.
Harry and Meghan are to get their own court inside the Royal Family as they split from William and Kate in the Spring.
The Sussexes and Cambridges' current communications head Jason Knauf will stay with the Duke and Duchess of Cambridge, but become their senior adviser. This decision will ensure the smooth transition of Harry and Meghan to their new official residence later on.
Existing Kensington Palace staff will remain with the Cambridges while House Sussex will be based out of Buckingham Palace and Sara Latham, who holds dual USA and United Kingdom citizenship, will head up communications for the Sussexes, reporting directly to Donal McCabe, the Queen's new communications secretary.
Harry and Meghan, who now share a household with the Duke and Duchess of Cambridge, will be given a new team who will be based at Buckingham Palace.
According to United Kingdom reports, this usually occurs about two weeks before the birth of a royal baby.
Sara Latham, an American who is now managing partner at Freuds PR agency, was named as the duke's new communications chief.
James Corden Prank David Beckham With Ugly Statue
And soon after Beckham admitted "you've probably done me a favour there", the ecstatic Corden burst out to end his mate's misery. I really don't see how this could go out. "There's no way that can go at the front of the stadium, it's embarrassing".
More recently, Ms Latham was a key figure in the 2016 Presidential campaign of Hillary Clinton where she was Chief of Staff to Campaign Manager John Podesta.
"We've seen how that ends", the actor added.
It is being reported that Dr. Newman is chief executive and secretary general of the Association of Commonwealth Universities, one of Meghan's royal patronages which were announced in January.
They could still work together on big projects like their Heads Together mental health campaign.
She says: "They're not going to be in the goldfish bowl of Kensington Palace, it will be much harder to photograph them".
The father of two also spoke up the Suits alum as "a really kind and smart and intelligent young woman", and said she and husband Prince Harry are a "really wonderful, loving couple".