Ghulam Murtaza Shah Syed (Sindhi: سائين جي ايم سيد) was a political leader who pioneered the Jeay Sindh movement for the freedom of Sindh from Pakistan. He is regarded as one of the founding fathers of modern Sindhi nationalism He was known by the people of Sindh as "Saeen" (سائين)
G.M. Syed blended Sindhi nationalism with Communism and Sufism through the ideas of Gandhi and Marx. In his early political life, he was a strong vocal supporter of the Pakistan Movement in Sindh and was said to be one of the driving forces in making sure the Sind Assembly voted to join Pakistan in 1947.
Syed was the author of more than forty-nine books on numerous subjects, ranging from literature to politics, religion and culture. He was himself a mystic had a lot of love and regard for mystics of all faiths. He respected all genuine difference of opinions. For decades, Sindh and Sindhi people had constituted the center of his interest and activity, and all his love energies were devoted to their good.
GM Syed proposed the 1940 Pakistan Resolution in the Sindh Assembly, which ultimately resulted in the creation of Pakistan. However, he became the first political prisoner of Pakistan because of his differences with the leadership of the country, as he believed that they had deceived the Sindhis.