Former aide James Chapman heaped praise on the Brexit Secretary describing him as “very tough” and “resilient” when it came to negotiations.
Mr Chapman added Theresa May had set red lines that will make Mr Davis’ job tough but they could be overcome.
Speaking on Week in Westminster on BBC Radio 4, he also praised the Prime Minister’s ability to make the right decision.
He said: “She, in the Home Office, demonstrated great pragmatism. She’s quite good at finding a way through two competing arguments and she’s got to get back to that.
GETTY•SHUTTERSTOCKFormer chief of staff James Chapman praised David Davis as best man for the job for Brexit talks
In David Davis there isn’t anybody better to be doing these negotiations
“That obviously affects the Brexit negotiation where she’s taken some absolutist positions on particular issues.
“I’m thinking particularly on the European Court of Justice. She’s set a red line effectively for a conference speech that has hamstrung these negotiations in my view.
“In David Davis there isn’t anybody better to be doing these negotiations, in parliament. He’s a very tough, resilient operator.
“There are red lines that have been set for him that make the job that he’s got to do extremely difficult.”
Mr Chapman claimed Mr Davis had been “hamstrung” by the Prime Minister and her stances on the EU – including her position on the