Mark Anthony Peter Phillips (born 22 September 1948) is an English Olympic gold medal-winning horseman for Great Britain and the first husband of Anne, Princess Royal, with whom he has two children.

He remains a leading figure in British equestrian circles, a noted eventing course designer, and a columnist for Horse & Hound magazine.

[2] She was the only daughter of John Gerhard Edward Tiarks (1896–1962), who served in the First and Second World Wars, attained the rank of Brigadier, and Evelyn Florence Cripps (1899-1994).

[3] Phillips was educated at Stouts Hill Preparatory School near Uley, Gloucestershire, then at Marlborough College, then the Royal Military Academy Sandhurst.

At the 1988 Olympics, his horse sustained a pulled muscle and could not complete the individual three-day event, but Phillips won a silver medal with the British team.

It was through his equestrian activities that he met Princess Anne, the only daughter of Queen Elizabeth II and Prince Philip, Duke of Edinburgh, whom he married.

[4] In 1998 Phillips designed the cross-country venue for the Red Hills Horse Trials, a qualifying event for the Olympics located in Tallahassee, Florida, United States.

[25] She grew up at Aston Farm, Gatcombe Park, close to the family of Princess Anne, and served as a bridesmaid at the wedding of her half-sister Zara Tindall.