A Yagna Acharya is the chief priest who is the expert with deep knowledge of the yagna. He will be responsible for:
* Planning and guiding the entire yagna process
* Ensuring all rituals are performed according to Vedic scripture
* Teaching or directing other assisting priests (ṛtviks)
* Maintaining ritual purity and correct pronunciation of mantras
* Explaining the spiritual significance of the yagna to other participants or the public