Mary Katrantzou was born in Athens, Greece to an interior designer mother and a father who trained in textile engineering.

[citation needed] Whilst collaborating with Sophia Kokosalaki in 2006, she built up a portfolio for the Central Saint Martins master's fashion textiles course.

[1] Her collections are now sold in over 200 fashion shops, including Selfridges, Harvey Nichols, Barneys, Neiman Marcus, Colette, 10 Corso Como, Joyce, Luisa via roma, Mytheresa, Hiphunters, Stylebop, Opening Ceremony and Net a Porter, and in 47 countries.

A collection for Topshop launched for London Fashion Week autumn/winter 2010 and was available in shops in February 2011 and sold out within the first few days of its release.

[citation needed] In April 2014, Katrantzou announced she would be working with Adidas 'for the foreseeable future', both clothing and footwear.

"[6] In 2018, Katrantzou celebrated the label's 10 year anniversary by showcasing her tenth-anniversary collection during September's London Fashion Week.

[8][9] The show was dedicated to celebrating the 30th anniversary of the founding of ELPIDA, the Association of Friends of Children with Cancer, established by Mrs Marianna V.