G. N. Devy is the chief editor of the PLSI series. He taught at the Maharaja Sayajirao University, Baroda, till 1996 before leaving to set up the Bhasha Research Centre in Baroda and the Adivasi Akademi at Tejgadh, where he worked towards conserving and promoting the languages and culture of indigenous and nomadic communities. Apart from being awarded the Padma Shree, he has received many awards for his work in literature and language conservation.
Formerly of the Reserve Bank of India,Tobdan is a speaker of many languages. Apart from his home language sTodpa, he speaks English, Hindi and Punjabi along with most of the languages spoken in Himachal Pradesh, Ladakh and Spiti. He has worked largely on the languages of Himachal Pradesh and has even published several titles.