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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 Cystic Fibrosis Foundation Marybeth McMahon, Ph.D.

Marybeth McMahon, Ph.D.

Highest compensated employee

Chief of Staff at Cystic Fibrosis Foundation

Fiscal year ended December 31, 2018. Published on January 24, 2026.

$418,331
2018

Total compensation

Marybeth McMahon, Ph.D. has been listed as an employee of Cystic Fibrosis Foundation in Form 990 filings since at least fiscal year 2016. Total compensation for Marybeth McMahon, Ph.D. has increased by 21.2% from 2016 to 2018.

Annual compensation details

$418,331
+8.6%
Chief of Staff
2018
$365k org
40 hrs/wk
$54k other
--
$385,126
+11.6%
Chief of Staff
2017
$333k org
55 hrs/wk
$53k other
--

Total compensation by year

Compare the compensation of Marybeth McMahon, Ph.D. to:

2018

Other employees at Cystic Fibrosis Foundation

Preston Campbell, M.D.
President and Chief Executive Officer
$1,426,266
$1,263,852 from orgNo related comp$162,414 other
Jack Mahler, M.D.
Chief Investment Officer
$1,078,107
$924,937 from orgNo related comp$153,170 other
Marc S Ginsky
Executive Vice President, COO and Secretary
$920,111
$733,685 from orgNo related comp$186,426 other
Vera H Twigg
Executive Vice President and Chief Financial Officer
$799,313
$696,431 from orgNo related comp$102,882 other
Bruce Marshall, M.D.
Senior Vice President, Clinical Affairs
$634,938
$602,074 from orgNo related comp$32,864 other
Michael P Boyle, M.D.
Sr.Vp,Therapeutics Development
$611,716
$497,768 from orgNo related comp$113,948 other
William Skach, M.D.
Senior Vice President, Research Affairs
$604,970
$491,019 from orgNo related comp$113,951 other
Drucy S Borowitz, M.D.
Senior Vice President, Community Affairs
$535,298
$499,834 from orgNo related comp$35,464 other
Matthew McBrady
Managing Director, Investments
$533,026
$470,395 from orgNo related comp$62,631 other
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Revisions to this profile

January 24, 2026:
2018 Cystic Fibrosis Foundation 990 published
January 24, 2026:
2017 Cystic Fibrosis Foundation 990 published
January 24, 2026:
2016 Cystic Fibrosis Foundation 990 published

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$345,168
Chief of Staff
2016
$295k org
55 hrs/wk
$52k other
--

Other people named Marybeth McMahon, Ph.D.

2018
Employee
Marybeth McMahon
Cystic Fibrosis Foundation
$645,343