Borzūya was a Persian physician in the late Sassanid era, at the time of Khosrow I.
He translated the Indian Panchatantra

Panchatantra

The Panchatantra is an ancient Indian inter-related collection of animal fables in verse and prose, in a frame story format. The original Sanskrit work, which some scholars believe was composed in the 3rd century BCE, is attributed to Vishnu Sharma...

from Sanskrit into the Middle Persian language of Pahlavi

Parthian language

The Parthian language, also known as Arsacid Pahlavi and Pahlavanik, is a now-extinct ancient Northwestern Iranian language spoken in Parthia, a region of northeastern ancient Persia during the rule of the Parthian empire....

. But both his translation and the original Sanskrit version he worked from are lost. Before their loss, however, his Pahlavi version was translated into Arabic by Ibn al-Muqaffa under the title of Kalila and Dimna or The Fables of Bidpai and became the Arabs' greatest prose classic. The book contains fables in which animals interact in complex ways to convey teachings to princes in policy.

There is considerable discussion whether Borzūya is the same as Bozorgmehr

Bozorgmehr

Bozorgmehr-e Bokhtagan is the name of a vizier of Khusro I Anōšīravān attested in the literature and legend of Iran. According to Persian and Arabic sources, he was a man of "exceptional wisdom and sage counsels" and later became a characterisation of the expression...

.
While sources indicate they are different people, the word "Borzūya" can sometimes be a shortened form of Bozorgmehr.