Public Charity

THE RADIOSURGERY SOCIETY

THE RADIOSURGERY SOCIETY is a nonprofit organization categorized as Public Charity based in SAN JOSE, CA. Its most recent IRS filing (2025) reports revenue of $1.2M, expenses of $1.1M, total assets of $2.1M. Imperigo tracks 2 reported grant relationships connected to this organization totaling approximately $65K.

EIN: 364628768 SAN JOSE, CA Latest filing: 2025
Total Revenue$1.2M
Total Expenses$1.1M
Total Assets$2.1M
Grant Records2
Funding Total$65K
Filing Years2020–2025

Mission

The Radiosurgery Society is a multi-disciplinary non-profit organization, consisting of surgeons, radiation oncologists, physicists, and allied health professionals, who are dedicated to advancing the science and clinical practice of SRS, SBRT and advancing therapies. ..

Officers & Directors

PRESIDENT OF THE BOARD Berend Slotman Md Phd
SECRETARY Helen Shih Md
BOARD MEMBER Iris Gibbs Md
EXECUTIVE DIRECTOR Joanne Davis Phd
PRESIDENT ELECT John J Kresl Md Phd
BOARD MEMBER Jonathan Haas Md

Officer compensation and complete director data available with membership.

Top Grant Purposes

COMMUNITY DEVELOPMENT
$40,000 1 grant
Community Development
$25,000 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $1.2M $1.1M $2.1M
2024 $1.2M $1.1M $2.0M
2023 $1.3M $1.0M $1.9M
2021 $758K $536K $1.2M
2020 $628K $677K $992K

Between 2020 and 2025, reported annual revenue grew from $628K to $1.2M (+88%), with total assets most recently reported at $2.1M.

Interactive year-over-year charts and full filing details available with membership.

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