[3] His early career was with Cadbury Schweppes, where he undertook a number of international postings and projects, and where he led the buyout of their food companies in 1985 to form Premier Brands which was successfully sold in 1989.

In the 1990s he was Chairman of Food from Britain, Director General of the Conservative Party (1992–95) and a Ministerial Advisor to the Cabinet Office, resigning in 2009, disillusioned by scandals.

[4] In the 2000s he was Chairman of the Royal Society of Arts and of Teachers TV, President of the Chartered Management Institute, Deputy Chairman of the American Management Association, a Director of Standard Bank Group of South Africa, which is Africa's largest bank and is quoted on the Johannesburg Stock Exchange, and Master of the Worshipful Company of Marketors.

[1][2] Judge's honorary appointments included being an Alderman of the City of London, President of The Chartered Institute of Marketing and of the Association of MBAs, Chairman of the Enterprise Education Trust, of St Dunstan's College and of the British-Serbian Chamber of Commerce, UK Chairman of the British–North American Committee, a Special Adviser to the Royal Institute of International Affairs at Chatham House where he chaired the North American Advisory Council and a Member of the Council of the Crown Agents.

At his death, Judge was Chairman of Schroder Income Growth Fund, a European equity focused investment trust, a director of ENRC plc, whose main mining assets are in Kazakhstan, Southern Africa and Brazil, and of the United Kingdom Accreditation Service which is the government-sponsored umbrella body for International ISO and other standards in the UK.

[1] Judge was a Director of Tempur-Pedic International Inc. of Lexington, Kentucky,[1] which is the biggest global mattress and bedding brand and is quoted on the New York Stock Exchange and of The Abraaj Group of Dubai,[1] which is the world's leading emerging markets private equity group.

His honorary appointments included being the Chairman of the British-Serbian Chamber of Commerce, UK Chairman of the British–North American Committee, a Special Adviser to the Royal Institute of International Affairs at Chatham House and a Member of the Council of the Crown Agents and he was a member of the advisory board of OMFIF.

[6] On 8 March 2009 Judge launched a new political movement aimed at promoting independent thought and open governance, termed the Jury Team.

[11] Following Judge's death, numerous tributes were written to him from the marketing industry,[12] the Association of MBAs[13] and entrepreneurs he had supported.