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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 National Ecological Observatory Network Inc. Sylvain Guegan

Sylvain Guegan

Highest compensated employee

Senior IT Manager at National Ecological Observatory Network Inc.

Fiscal year ended September 30, 2019. Published on January 24, 2026.

$212,783
2019

Total compensation

Sylvain Guegan has been listed as an employee of National Ecological Observatory Network Inc. in Form 990 filings since fiscal year 2017. Total compensation for Sylvain Guegan has increased by 13.5% from 2017 to 2019.

Annual compensation details

$212,783
+6.5%
Senior IT Manager
2019
$125k org
40 hrs/wk
$50k related
--
$39k other
--
$199,860
+6.6%
Senior IT Manager
2018
$167k org
40 hrs/wk
$34k

Total compensation by year

Compare the compensation of Sylvain Guegan to:

2019

Other employees at National Ecological Observatory Network Inc.

Michael C Janus
President and Director
$749,779
$0 from org$739,150 from related$10,629 other
Todd Harrington
Director (Thru 3/19)
$376,496
$0 from org$348,679 from related$27,817 other
Richard D Leonard
Chief Executive Officer (Thru 3/19)
$326,891
$0 from org$320,630 from related$6,261 other
Muzzammil Ahmed
Former Director
$312,995
$0 from org$293,384 from related$19,611 other
Geoffrey Fuller
Secretary/Director (Thru 3/19)
$275,605
$0 from org$257,535 from related$18,070 other
Henry Loescher
Research LEAD
$206,754
$137,971 from org$45,339 from related$23,444 other
Laura Leyba-Newton
Manager-Architectural Engineering
$187,908
$127,689 from org$41,499 from related$18,720 other
David Barlow
Senior Systems Engineer
$180,585
$111,276 from org$36,148 from related$33,161 other
Julie MacKin
Chief Financial Officer (Thru 3/19)
$155,623
$115,480 from orgNo related comp$40,143 other
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Revisions to this profile

January 24, 2026:
2019 National Ecological Observatory Network Inc. 990 published
January 24, 2026:
2018 National Ecological Observatory Network Inc. 990 published
January 24, 2026:
2017 National Ecological Observatory Network Inc. 990 published

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