Jack Denham was a leading Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

n horse trainer and businessman.

A member of a Sydney

Sydney

Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...

 training dynasty, Denham first rode as a jockey for his brother, and then took out his own training licence in 1948.

Denham’s training career took off when he became trainer for Stan Fox at Nebo Lodge, a position he held for 10 years, training over 1,000 winners. For six successive years, from 1971 to 1976, he was runner-up on the Sydney trainers’ premiership table. He was to win the premiership later in 1990–91 and 1992–93.

From 1980 onwards Denham was closely associated with owners Geoff and Beryl White, for whom he won a Golden Slipper

Golden Slipper

The Golden Slipper Stakes is an Australian Thoroughbred horse race for two year old horses held at Rosehill Gardens Racecourse in Sydney run over 1,200 metres on turf at set weights. It is the premier two year old race in Australia and is the world's richest race for two-year-old Thoroughbreds....

 with Marscay, an Epsom Handicap

Epsom Handicap

The Epsom Handicap is a Group 1 Australian Thoroughbred horse race held over 1,600 metres at Randwick Racecourse. It is one of the major races of the Sydney Spring Carnival. Many great milers have won the race, including Chatham, Gunsynd, and Super Impose, who was also a dual winner of the...

, Yalumba Stakes and other group races with Filante, and an Australian Guineas

Australian Guineas

The Australian Guineas is a VRC Group 1 Australian Thoroughbred horse race for three year olds, run at set weights, over a distance of 1600 metres at Flemington Racecourse, Melbourne in March...

 and AJC Oaks

AJC Oaks

The AJC Oaks is a Group 1 Australian Thoroughbred horserace for three-year-old fillies at set weights contested over 2,400 metres at Randwick Racecourse, Sydney in April. The AJC Australian Oaks is the premier staying race for three-year-old fillies during the Sydney autumn racing carnival. Total...

 with Triscay. His greatest triumphs came in 1997 and 1998 when the Denham trained Might and Power

Might and Power

Might and Power was a New Zealand bred, Australian owned and trained Thoroughbred racehorse who was named Australian Horse of the Year in 1998 and 1999. As a four-year-old, Might And Power won the Caulfield and Melbourne Cups, and returned at five to become only the second horse in the history of...

 took out the Melbourne Cup

Melbourne Cup

The Melbourne Cup is Australia's major Thoroughbred horse race. Marketed as "the race that stops a nation", it is a 3,200 metre race for three-year-olds and over. It is the richest "two-mile" handicap in the world, and one of the richest turf races...

, Caulfield Cup

Caulfield Cup

The Caulfield Cup, one of Australia's richest Thoroughbred horse races and the richest of its type in the world is held annually by the Melbourne Racing Club. The race is a handicap like the Melbourne Cup, which means that horses that compete in the Caulfield Cup are capable of running on the...

 and Cox Plate

Cox Plate

The W.S. Cox Plate is an Australian Group 1 Thoroughbred horse race held in Melbourne every October by the Moonee Valley Racing Club to honour W.S. Cox, the club's founder. For three-year-olds and over, the race is considered to be the Weight for Age championship of Australasia...

.

On 14 December 2009 Jack Denham died at the age of 85 after a long illness.