CC Ādi 11.42

ācārya vaiṣṇavānanda bhakti-adhikārī
pūrve nāma chila yāṅra ‘raghunātha purī’
Word for word: 
ācārya — teacher; vaiṣṇavānanda — Vaiṣṇavānanda; bhakti — devotional service; adhikārī — fit candidate; pūrve — previously; nāma — name; chila — was; yāṅra — whose; raghunātha purī — Raghunātha Purī.
Translation: 
The twenty-seventh prominent devotee of Nityānanda Prabhu was Ācārya Vaiṣṇavānanda, a great personality in devotional service. He was formerly known as Raghunātha Purī.
Purport: 

In the Gaura-gaṇoddeśa-dīpikā (97) it is said that Raghunātha Purī was previously very powerful in the eight mystic successes. He was an incarnation of one of the successes.