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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 Nature Conservancy Mark Tercek

Mark Tercek

Former

Former Chief Executive Officer at The Nature Conservancy

Fiscal year ended June 30, 2021. Published on January 25, 2026.

$248,383
2021

Total compensation

Mark Tercek has been listed as an employee of The Nature Conservancy in Form 990 filings since at least fiscal year 2016. Total compensation for Mark Tercek has decreased by 67.5% from 2016 to 2021.

Annual compensation details

$248,383
-53.3%
Former Chief Executive Officer
2021
$248k org
--
$2k other
--
$531,473
-41.7%
Director, PRES and CEO (Thru 7/19)
2020
$497k org
35 hrs/wk
$35k other
--

Total compensation by year

Compare the compensation of Mark Tercek to:

2021

Other employees at The Nature Conservancy

Mark Burget
Executive Vice President and REG Director
$876,273
$875,627 from orgNo related comp$646 other
Charles Bedford
Regional Director
$712,589
$678,681 from orgNo related comp$33,908 other
James Willis, Asp
FRMR Chief DEV Officer (Until 12/19)
$665,904
$663,280 from orgNo related comp$2,624 other
Jennifer Morris
Chief Executive Officer and Director
$549,812
$540,933 from orgNo related comp$8,879 other
Wisla Heneghan
Chief Operating Officer and General Counsel
$514,808
$475,534 from orgNo related comp$39,274 other
Seema Paul
Managing Director
$510,765
$480,486 from orgNo related comp$30,279 other
Katherine Andrews
Executive Vice President, Global Strategies
$506,920
$506,903 from orgNo related comp$17 other
Brian McPeek
Former Chief Conservation Officer
$503,302
$487,492 from orgNo related comp$15,810 other
Justin Adams
Global Managing Director, Lands
$475,881
$475,881 from orgNo related compNo other comp
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Revisions to this profile

January 25, 2026:
2021 The Nature Conservancy 990 published
January 24, 2026:
2020 The Nature Conservancy 990 published
January 24, 2026:
2019 The Nature Conservancy 990 published

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