Mr Holt is taking over from Catherine St-Laurent, who started as Archewell’ s first executive director in April 2020.
Ms St-Laurent, who is launching her own new social impact firm, supported by and working with Archewell, will now act as senior adviser to Archewell.
She was also made Harry and Meghan’s chief of staff last year, but no details have been released as to who will fill this role.
Mr Holt will lead the Archewell Foundation’s mission to “uplift and unite communities through acts of compassion”.
Toya Holness, Archewell’s global press secretary, will deal with the UK media from California.
Following Mr Holt’s move from spokesman to executive director, it is not yet known at this stage whether Harry and Meghan will have a press spokesperson based in the UK in the future.
The couple have had a fractured relationship with the British media, with the couple accusing the tabloids of “inciting so much racism” in its reporting on the Sussexes.
In their bombshell Oprah Winfrey interview, Harry and Meghan said they left the UK both because of the lack of support from The Firm and to get away from the UK press.
Harry and Meghan also have a new head of content – producer Ben Browning, who will oversee audio and production for…