Dreamliner is a British-bred SHB(GB) registered gelding born in 2010. He was bred by his owners Angela and Mark Chamberlayne and is by Jumbo out of Doff Gudanov by the thoroughbred Baryshnikov. Doff Gudanov had three offspring by Jumbo the other two Globemaster and Starliner are competing at 4&3* with Clare Chamberlayne. Dreamliner was previously ridden by Oliver Townend for three seasons with who he won Chatsworth and Burnham Market and was second in the 4*L at Ballindenisk. The Chamberlaynes previously owned Badminton horses Henry Tankerville and Whitmonday both ridden by Andrew Nicholson.