Fellowships & Mentorships

The Lars Leksell Radiosurgery Fellowship

ISRS is proud to award the Lars Leksell Functional Radiosurgery Fellowship. This prestigious fellowship, awarded biennially at the ISRS Congress, offers a three-month immersive experience in Stereotactic Radiosurgery at a program and institution selected by ISRS. 

The deadline for the applications of this Fellowship is on the 1st of January 2026!

This unique fellowship is under the direction of ISRS, a community of experts in the growing area of Stereotactic Radiosurgery. It provides an unparalleled opportunity to:

  • Gain experience in patient selection, imaging, targeting and treatment planning.
  • Learn from experts experienced in the field of radiosurgical treatment of malignant tumors as well as functional disorders.
  • Receive novel insights into ongoing basic and clinical research.

This Fellowship memorializes Lars Leksell’s pioneering role in establishing the field of radiosurgery and his deep interest in stereotactic surgery and radiosurgery for malignant and functional disorders.

The ISRS is grateful for a grant of no less than $12,000 USD from the Leksell Gamma Knife Society which has made this Fellowship possible.

The individual receiving the fellowship award will be recognized at the ISRS biennial congress and the fellowship starts in the year of the ISRS congress. Interested candidates who have successfully completed an accredited residency training program and are board certified in neurological surgery or radiation oncology should complete the application form and send it to the ISRS Secretariat.

ISRS Lars Leksell Functional Radiosurgery Fellows

  • 2022: Sweta Soni, India
  • 2019: Gustavo Lucas Garategui, Argentina

Gustavo Lucas Garategui


ISRS is passionate about providing young professionals with an opportunity to further their careers through mentoring and guidance by experts in the field. More information will be coming soon!