Hakan Yıldırım presented his collection in 1997 with L'Oreal in Paris and in Italy with Zeki Doğulu. He received his first award in 1998 by winning the "Young Fashion Designers" competition organized by Istanbul Textile and Apparel Exporters' Association. Hakan Yıldırım, who participated in the world's largest fashion organization CPD Women's and Men's Fair held in Düsseldorf, Germany between 2004 and 2005, introduced his collection consisting of Autumn-Winter creations under the name of "Purple-Purple" and attracted great attention. Between 2009 and 2010, he founded Hakaan with his creative director Mert Alaş to make tailor-made designs and became famous for his sculptural patterns and innovative approach. In 2010, he participated in London Fashion Week with the brand HAKAAN and made a great impression. After winning the prestigious Andam award, he presented his collections at Paris Fashion Week. World-famous model Lara Stone walked on the podium and Kate Moss was among the audience. "Hakaan Yıldırım", who opened his own atelier in Paris, became known for his flawless couture-style dresses he sewed to make a woman look beautiful. With his rapidly increasing popularity, he started to design stage outfits for world-famous stars such as Rihanna, Victoria Beckham, Jennifer Lopez and Madonna. The spring-summer collection he was going to exhibit at Paris Fashion Week in 2013 was lost in cargo and his fashion show had to be cancelled. The fashion designer, who took a break from his work for a while due to the losses he experienced in his family, went through a long purification process in his own words and only sewed for private customers. In 2018, Hakan Yıldırım started to appear again in the fashion industry and magazines with his Couture collection. Introducing his new collection with a fashion show in Istanbul, Hakan Yıldırım said that "I tried to reflect my inner feelings" and included more lively, avant-garde and colorful pieces in his couture collection, unlike his previous style. Hakan Yıldırım introduced the new collection in 2021 on the digital platform as part of MBFWI (Mersedec Benz Fashion Week Istanbul). Hakan Yıldırım, the creator of the Hakaan brand, continues to design and produce his collection in his workshop and showroom in Nişantaşı today. Hakan Yıldırım is known for his corset patterns in his