Taj Haider is a notable left-wing politician, nationalist, playwright, mathematician, versatile scholar, and Marxist intellectual. He is one of the founding members of the Pakistan Peoples Party (PPP) and has been the general secretary of the PPP since 2010.
A mathematician and scientist by profession, Haider provided vital leadership in the formative years of clandestine atomic bomb projects in the 1970s. He played a vital role in formulating the public policy concerning the atomic bomb projects. He is also noted for his writing of political plays for the Pakistan Television (PTV) from 1979 to 1985. He studied Mathematics at the Karachi University and graduated with a BSc (Hons) in Mathematics in 1962. In 1965, he earned his MSc in mathematics from the same institution and opted for teaching mathematics at a local college, later moving to Karachi University. During his career at the Karachi University, Haider primarily taught and focused on ordinary differential equations and topics in multivariable calculus.
In 1990–2000, he contributed to PPP-initiated industrial projects such as the establishment of the Heavy Mechanical Complex (HMC), Hub Dam, and various other social programs. In 2012, Haider was awarded Sitara-e-Imtiaz by President Asif Zardari for his services to the nation’s atomic bomb projects and public policy efforts. In 2013, he was appointed as the “media coordinator” for the provincial government of Sindh. Currently, he is the elected Senator on General Seat on the ticket of the Pakistan Peoples Party.
His services for the foundation include his work in the education sector of Pakistan. He has also opened a school and works in the sector of early childhood development. As a writer, he has always raised his voice against the wrongs that prevail in society.