Keller's position at ETH Zurich has allowed her to train and mentor a significant number of students and postdoctoral researchers, contributing to the growth and development of the field. Her students have gone on to make their own significant contributions, further amplifying her impact.

Through her publications, presentations, and leadership roles, Keller has shaped the direction of research in ultrafast laser physics. Her work has inspired others to explore new materials, laser designs, and applications, pushing the boundaries of the field.

Keller has fostered collaboration among researchers from different institutions and countries, promoting the exchange of ideas and accelerating scientific progress. These collaborations have led to numerous joint publications and projects, advancing the field as a whole.