Tessa Posthuma de Boer studied photography at the Gerrit Rietveld Academy in Amsterdam. After graduating in 1993, she started working as a portrait photographer.

Her portraits appeared in many different newspapers and magazines, including De Volkskrant, Ajax Magazine, FD, National Geographic, VPRO Gids, Psychologie Magazine and many others. A large number of advertising campaigns (for, among others, the tax authorities, Rabobank. Fiat, Postbank, Vodafone , PostNL) are to her name. Tessa also often works for the business community, she has photographed for Akzo Nobel, Staatsbosheer, KWF Cancer Control, Intertrust, VU Medical Center, Audi and KPN.

She makes many portraits of authors commissioned by publishers, including Van Oorschot, the Bezige Bij, Ambo Anthos and Nieuw Amsterdam.

Tessa's autonomous work is regularly exhibited at home and abroad.

She is an employee of the Stichting Buitenkunst.