Gyaltsab Je (1364–1432) or more elaborately, Gyaltsab Dharma Rinchen was born in the Tsang province of central Tibet

Tibet

Tibet is a plateau region in Asia, north-east of the Himalayas. It is the traditional homeland of the Tibetan people as well as some other ethnic groups such as Monpas, Qiang, and Lhobas, and is now also inhabited by considerable numbers of Han and Hui people...

. He was a famous student of Je Tsongkhapa

Je Tsongkhapa

Tsongkhapa , whose name means “The Man from Onion Valley”, was a famous teacher of Tibetan Buddhism whose activities led to the formation of the Geluk school...

, and actually became the first Ganden Tripa

Ganden Tripa

The Ganden Tripa or Gaden Tripa is the title of the spiritual leader of the Gelug school of Tibetan Buddhism, the school which controlled central Tibet from the mid-17th century until 1950s. He is identical with the respective abbot of Ganden Monastery...

 (throne holder) of the Gelug

Gelug

The Gelug or Gelug-pa , also known as the Yellow Hat sect, is a school of Buddhism founded by Je Tsongkhapa , a philosopher and Tibetan religious leader...

 tradition after Je Tsongkhapa's death.

Gyaltsab Je was a prolific writer; one of his most famous texts is a commentary on A Guide to the Bodhisattva's Way Of Life

A Guide to the Bodhisattva's Way Of Life

The Bodhisattvacharyāvatāra or Bodhicaryāvatāra, sometimes translated into English as A Guide to the Bodhisattva's Way of Life, is a famous Mahāyāna Buddhist text written c. 700 AD in Sanskrit verse by Shantideva , a Buddhist monk at Nālandā Monastic University in India...

.