Nyoman Wijaya, completed his studies at the History Department of the Faculty of Literature, Gadjah Mada University, Yogyakarta in February 1986 with the title Cumlaude. Starting in April 1986, he served as an extraordinary lecturer at the Faculty of Letters at Udayana University in Denpasar and in 1988 was appointed as a permanent lecturer. In 1994, he earned a Masters in Humanities (S2) in the Department of Humanities at the Postgraduate Study Program at Gadjah Mada University, Yogyakarta with the title of Cumlaude. His thesis was published in the form of a book entitled The Empire of a Small Company: Corruption, Collusion, 19th Century Nepotism.

In 1999, Nyoman Wijaya established Trisadhanaputra (TSP), a non-governmental organization engaged in education and research. One of its divisions, Art and Science Writing is engaged in writing history, biography and prosopography. Until 2013, he has published 8 books and 9 books which are in the process of publishing.

In 2004, he continued his studies at the doctoral level at the Gadjah Mada University Graduate School and earned his doctorate in 2010 with the title of Cumlaude. From June 1997 to June 2006 he was trusted as a freelance writer at the largest local daily in Bali and produced around 200 articles, two of them short stories. As a lecturer and historian, Nyoman Wijaya has produced 70 papers presented in various seminars. One of them is entitled "Remembering the Forgoten Past: A Case Study of Bali's First Governor, Anak Agung Bagus Sutedja," published in The Indonesian Journal of Southeast Asian Studies Volume 03, Number 1, July 2019, pp.75-93 ISSN 2582- 6580, E-ISSN 2597-9817. Latest biographical work: Bening Dewun Travel of AA Made Djelantik Pura Raja-Dokter-Budayawan, Denpasar Pustaka Larasan, 2018.