Hansel Vaz, often hailed as "The Feni Doutor," is a geologist by training and a passionate advocate of Goa's heritage spirit, Feni. Renowned for his deep knowledge and innovation in this field, Hansel is frequently likened to the "Bruce Springsteen" of Feni.

As the founder of the internationally acclaimed Cazulo Premium Feni, he has significantly advanced the appreciation of this traditional spirit. Additionally, he established the pioneering Garrafao Cellar at Fazenda Cazulo, further cementing his role as a leading figure in the world of Feni.