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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 Fermi Research Alliance LLC Sergei Nagaitsev

Sergei Nagaitsev

Former

Former Head of Accelerator Science Programs at Fermi Research Alliance LLC

Fiscal year ended September 30, 2023. Published on January 25, 2026.

$314,683
2023

Total compensation

Sergei Nagaitsev has been listed as an employee of Fermi Research Alliance LLC in Form 990 filings since at least fiscal year 2016. Total compensation for Sergei Nagaitsev has increased by 31.7% from 2016 to 2023.

Annual compensation details

$314,683
+3.2%
Former Head of Accelerator Science Programs
2023
$255k
40 hrs/wk
$61k
--
$304,982
+10.7%
Former Head of Accelerator Science Programs
2022
$248k
40 hrs/wk
$58k
--
$275,464
+3.5%
Former Head of Accelerator Science Programs
2021
$243k
40 hrs/wk
$34k
--
$266,111
Former Head of Accelerator Science Programs
2020
$232k
40 hrs/wk
$35k
--
$238,910
Chief Accelerator Officer/Division HEAD
2016
$211k
40 hrs/wk
$29k
--

Total compensation by year

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Revisions to this profile

January 25, 2026:
2023 Fermi Research Alliance LLC 990 published
January 25, 2026:
2022 Fermi Research Alliance LLC 990 published
January 25, 2026:
2021 Fermi Research Alliance LLC 990 published

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2023

Other employees at Fermi Research Alliance LLC

Paul Alivisatos
Chair
$2,125,787
$0 $1,832,579 $293,208
Juan de Pablo
Director
$891,781
$0 $827,686 $64,095
Nikolitsa Merminga
President
$546,624
$504,479 No related comp$42,145
John Mester
URA President
$519,564
$0 $450,102 $69,462
Nigel Lockyer
Former President
$484,127
$429,961 No related comp$54,166
Christopher Mossey
Deputy Lab Director for Lbnf/Dune-Us
$387,670
$357,170 No related comp$30,500
Joseph Lykken
Former Deputy Director for Research
$378,775
$324,609 No related comp$54,166
Martha Michels
Acting Chief Operating Officer
$357,275
$311,002 No related comp$46,273
Richard P Stanek
Former Deputy Chief Technology Officer
$331,864
$278,241 No related comp$53,623

Other people named Sergei Nagaitsev

2023
Employee
Sergei Nagaitsev
Southeastern Universities Research Association Inc.
$370,319