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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 Howard Hughes Medical Institute Gregory Deninno

Gregory Deninno

Highest compensated employee

Managing Director, Private Markets (Thru 9/22) at Howard Hughes Medical Institute

Fiscal year ended August 31, 2023. Published on January 25, 2026.

$2,212,105
2023

Total compensation

Gregory Deninno has been listed as an employee of Howard Hughes Medical Institute in Form 990 filings since at least fiscal year 2016. Total compensation for Gregory Deninno has increased by 243.4% from 2016 to 2023.

Annual compensation details

$2,212,105
+66.3%
Managing Director, Private Markets (Thru 9/22)
2023
$2.2M org
40 hrs/wk
$48k other
--
$1,330,475
+27.8%
Managing Director, Private Markets
2022
$1.3M org
40 hrs/wk
$51k other
--

Total compensation by year

Compare the compensation of Gregory Deninno to:

2023

Other employees at Howard Hughes Medical Institute

Donald Koch
Vice President and Chief Investment Officer
$2,540,683
$2,471,389 from orgNo related comp$69,294 other
Richard A Pender
Managing Director, Public Markets (Thru 4/23)
$1,686,258
$1,624,385 from orgNo related comp$61,873 other
Erin K O'Shea, Ph.D.
President
$1,639,888
$1,579,347 from orgNo related comp$60,541 other
Glen Zwicker
Managing Director and HEAD of Investment OPS
$1,437,854
$1,370,091 from orgNo related comp$67,763 other
Mark Sproles
Managing Director, Private Markets
$982,853
$950,676 from orgNo related comp$32,177 other
Sean B Carroll, Ph.D.
Vice President for Science and Educational Media Group
$884,045
$830,494 from orgNo related comp$53,551 other
Heidi E Henning, Esq
Vice President and General Counsel and Secretary
$811,166
$743,698 from orgNo related comp$67,468 other
Richard Axel, Ph.D.
Investigator
$804,816
$750,671 from orgNo related comp$54,145 other
Ronald Vale, Ph.D.
Vice President and EXEC Director, Janelia Research Campus
$785,257
$723,393 from orgNo related comp$61,864 other
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Revisions to this profile

January 25, 2026:
2023 Howard Hughes Medical Institute 990 published
January 25, 2026:
2022 Howard Hughes Medical Institute 990 published
January 25, 2026:
2021 Howard Hughes Medical Institute 990 published

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