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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees The Oklahoma Proton Foundation Yi le

Yi le

Key employee

Director of Physics at The Oklahoma Proton Foundation

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$252,718
2024

Total compensation

Yi le has been listed as an employee of The Oklahoma Proton Foundation in Form 990 filings since fiscal year 2022. Total compensation for Yi le has increased by 33.3% from 2022 to 2024.

Annual compensation details

$252,718
+5.4%
Director of Physics
2024
$253k org
40 hrs/wk
$239,879
+26.5%
Director of Physics
2023
$240k org
40 hrs/wk
$189,629
Key Employee
2022

Total compensation by year

Compare the compensation of Yi le to:

2024

Other employees at The Oklahoma Proton Foundation

Levi Garrett
Former Physicist
$195,452
$195,452 from orgNo related compNo other comp
Thanh Nguyen
Physicist
$170,503
$170,503 from orgNo related compNo other comp
Randall Johnson
Dosimetry Manager
$165,047
$165,047 from orgNo related compNo other comp
Ying Feng
Dosimetrist
$153,699
$153,699 from orgNo related compNo other comp
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Revisions to this profile

January 25, 2026:
2024 The Oklahoma Proton Foundation 990 published
January 25, 2026:
2023 The Oklahoma Proton Foundation 990 published
January 25, 2026:
2022 The Oklahoma Proton Foundation 990 published

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