ThoughtWorks is a privately owned global IT consultancy that delivers custom software, software tools, consulting, and transformation services to Global 1000 companies. It has a products division, ThoughtWorks Studios, which creates and markets software development and project management applications. The company is closely associated with the movement for agile methods of software development (see Agile software development).

ThoughtWorks describes itself as “…A social and commercial community whose purpose is to revolutionize software creation and delivery while advocating for positive social change in the world.” Founder and Chairman Roy Singham has said “I believe the world should have access to the best ideas in software for free. My goal is a technically-superior infrastructure to solve the world's problems." The company has contributed to a range of open source products.

As of February 2012 the company had over 1700 employees, with 23 offices in 9 countries: Australia, Brazil, Canada, China, Germany, India, England, Singapore and the United States.

Martin Fowler is an author and international speaker on software development, specializing in object-oriented analysis and design, UML, patterns, and agile software development methodologies, including extreme programming.

Fowler started working with software in the early 1980s and has written six books on the topic of software development (see Publications). In March 2000, he became Chief Scientist at ThoughtWorks, a systems integration and consulting company.

Fowler is a member of the Agile Alliance and helped create the Manifesto for Agile Software Development in 2001, along with more than 15 co-authors. He maintains a bliki, a mix of blog and wiki. He popularized the term Dependency Injection as a form of Inversion of Control.

Fowler was born in Walsall, England, and lived in London a decade before moving to United States in 1994. He lives near Boston, Massachusetts in the suburb of Melrose.

He went to Queen Mary's Grammar School for his secondary education.

Simon Sheikh is the national director of the Australian political organisation GetUp!. The son of Michael Sheikh, an Indian-born industrial chemist and inventor, he attended Camdenville Public School, which was officially branded 'underprivileged', and later gained late entry to Fort Street High School. He later studied Economics at the University of New South Wales.

He was born in Sydney, and has ancestry from India, Saudi Arabia, New Zealand and Australia.

Sheikh represented Australia as the youth representative in Uganda for the 2007 Commonwealth Heads of Government meeting, and was also named the New South Wales Young Professional of the Year.

Shiekh is married to Australian climate activist Anna Rose