[1] Rohner was born in Zürich, Switzerland, to a Russian mother and a father who is of Argentine and Swiss heritage.
[3] As she was still 15 years old, she had a growth spurt of 140 millimetres (5.5 in) which helped her career prospects; soon afterwards she began working with Chanel.
[7] In 2017, she appeared in Self Service magazine photographed by David Sims,[8] and walked for Celine's last collection designed by Phoebe Philo before her resignation.
In 2018, Rohner appeared in a watch advertisement for Marc Jacobs alongside people including Bria Vinaite.
[14] For Chanel's F/W ready-to-wear advertisement campaign, also featuring Rianne Van Rompaey, Mica Argañaraz, and Louise de Chevigny, she was photographed by Dutch duo Inez and Vinoodh.