Jonas Kessler was born in 1989, Germany. In 2008, he was signed with DNA Models and in the same year he signed for the models of Japan. On July, the same year, Kessler appeared in the Arena editorial, photographed by Jean-Francois Carly. In 2009, he appeared in D & G shot by Marion Testino. The 1989 still, he performed as the model of Aquascutum Spring ad campaign.
This campaign opened doors for many more opportunities. On March 2009, Kessler appeared for the British Vogue editorial, photographed by Tim Walker. In the same year, he features in the spring issue of AnOther Man magazine, photographed by Mel Bles. On June 2009, he walked for the Spring Jil Sander, Prada Lanvin, Gianfranco Ferre, Ann Demeulemeester, and Paul Smith shows in Paris and Milan. On July, 2009 Jonas Kessler was featured with Siri Tollerod, Karolin Wolter and Alexandra Trette, Enrico Petzold, Elena Sudakova Boy and Kasia Katrin Thormann, at Stardust Fashion.
In 2010, he appeared for the NEXUSVII, Fall Winter ad campaign in d'management, BANANAS, Wilhemina and Scoop. He was also featured in the Burberry, Versace, Jil Sander, Gucci, and Raf Simons in Milan and Paris. In 2012, he modelled for Jimm Choo and Tom Ford Eyewear falls ad campaigns.
Jonas Kessler, who has become European favourite star has worked with top designers such as Marc by Marc, Y3, Richard Chai, Z Zegna and hot new designers such as Rad Hourani and Robert Geller and many more.