Beretkah is an international brand of avant-garde headwear and accessories that redefines fashion, material innovation, and sustainability. With an unconventional approach, the designer combines traditional craftsmanship with experimental techniques and upcycled materials to create sculptural, expressive objects that transcend fleeting trends.

Tatiana's work has been showcased at London Hat Week, Paris Fashion Week, Berlin Fashion Week, and the Cannes Film Festival, reflecting an interdisciplinary perspective that understands fashion as a cultural statement, performance, and creative stance.

As a Sustainable Fashion Advocate, Tatiana is actively committed to a responsible fashion industry and uses her platform to promote sustainable practices, education, and creative networking. Through initiatives like the global World Hat Walk, she is building an international community that is revitalizing this ancient art.