She studied visual communication at Bauhaus University in Weimar and at the Colchester Institute in the United Kingdom.
Eißmann's early inspiration was drawn from works by J. R. R. Tolkien, such as The Silmarillion and The Lord of the Rings.
In a 2009 interview she stated that her first encounter with Tolkien's theme was watching Ralph Bakshi's animated film version of Lord of the Rings in 1991.
[1] While studying in Weimar, she began to publish her illustrations on the Internet, which brought her feedback by such artists as Ted Nasmith.
As stated on her homepage, Eißmann was also influenced by: "the Pre-Raphaelites, book-illustrators like Arthur Rackham, Edmond Dulac, Ivan Bilibin and Alan Lee, Art Nouveau, artists like Edward Hopper and Jan Vermeer".