[2] Werner earned a diploma in mathematics from the University of Münster in 1991.
[2] She earned her Ph.D. at the same university in 1995, jointly supervised by Christopher Deninger and Siegfried Bosch; her dissertation was Local Heights on Uniformized Abelian Varieties and on Mumford Curves.
[2] She worked as a postdoctoral researcher at the Max Planck Institute for Mathematics in Bonn in 1997–1998, and as an assistant at Münster from 1998 to 2003.
[2] Werner is the author of a German-language book on elliptic curve cryptography, Elliptische Kurven in der Kryptographie (Springer, 2002).
Werner was Emmy Noether Lecturer of the German Mathematical Society in Munich in 2010.