Tandi Reason Dahl is an architect and a renowned model. She studied extensively in architecture in Japan, France, and Germany. As an architect, Dahl took up a project which was related to the climate guideline’s elaboration, and the project was even nominated for the Architectural Award of Northern Norway in the year 2015. As a model, Tandi has taken up various editorial projects like modeling for esteemed brands and magazines including Elle UK, Vogue Japan, Vogue Ukraine, and HEROINE Magazine among many others. Apart from the editorial projects, Tandi has also walked for Louis Vuitton, Amiri, Esteban Cortazar, Kenzo, and many others. Dahl has also modeled for several advertisements like Red Valentino, Vince, Stand, and Harrolds Australia. Dahl’s modeling agencies include New York Model Management, The Hive Management, and Iconic Management. Oui Management (Paris) is the model’s mother agency.

In the past, Tandi Reason Dahl has worked with celebrity makeup artists which include: Megumi Zlatoff. Who is Tandi Reason Dahl's hair stylist? Some of the hair stylists that Tandi Reason Dahl has worked with for red carpet or editorial shoots include: Kalle Eklund and Martin Cullen.