Ianthe Sosef has a diverse professional background, currently serving as an assistant at Psychologenpraktijk Marijke Arendsen Hein since May 2021. Additional ongoing roles include babysitting for Charly Cares and working as an event staff member at Eventure BV. Past experience encompasses positions such as front desk staff at Microbe&Lab, home care at Emile Thuiszorg, administrative support at COR2ED, and a service role at Lumière Cinema Restaurant Café. Early career experience includes working as a cashier at Albert Heijn. Ianthe Sosef holds a Bachelor's degree in Psychology from Vrije Universiteit Amsterdam (2020-2023) and previously completed a Bachelor's in Applied Psychology at Amsterdam University of Applied Sciences (2018-2020).