Noted British filmmaker, Kosminsky, was born in the esteemed city of London, a location that would later play a significant role in shaping his creative pursuits.
As a chemistry major at Oxford University, Kosminsky's academic endeavors were not the only focus of his collegiate experience. He was also an integral part of the university's theater scene, utilizing his skills as a lighting designer for the Dramatic Society. This early exposure to the performing arts would ultimately culminate in the production of a successful touring production of Twelfth Night, a theatrical endeavor that shared the spotlight with a then-unknown Hugh Grant.
The musical accompaniment for this production was provided by a talented young student named Rachel Portman, who would go on to establish a distinguished career as a composer. Following his time at Oxford, Kosminsky began his professional journey at the BBC, serving as a graduate trainee before transitioning into the role of documentary director.
Today, Kosminsky resides in Wiltshire, England, with his wife Helen and their two daughters, a testament to the enduring nature of his personal and professional accomplishments.