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The Hdf Group

Organization summary

Type of Nonprofit

Designated as a Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn't provide athletic facilities or equipment), or the prevention of cruelty to children or animals.

Category: Science and Technology Research Institutes, Services / Computer Science (NTEE)

Donations to this organization are tax deductible.

Summary charts: organization finances over time

Revenue
$3.65M (2023)

Expenses
$3.29M (2023)

Total Assets
$3.25M (2023)

Total Liabilities
$803k (2023)

Source: Form 990 tax filings from 2011 to 2023

Tax Filings and Audits by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Audits are required to be submitted by nonprofit organizations that spend $750,000 or more in federal grant money in a fiscal year. "Single audits" look at the entire organization's finances and compliance, while other audits are program specific. Nonprofit Explorer has PDFs of audits for some nonprofits for fiscal year 2015 and later. Audit data is from the Federal Audit Clearinghouse.

Fiscal Year Ending Dec.
2023

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$3,653,985
Expenses
$3,291,416
Net Income
$362,569
Net Assets
$2,445,092
Notable Sources of Revenue Percent of Total Revenue
Contributions $686,510
18.8%
Program Services $2,965,661
81.2%
Investment Income $1,814
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $378,562
11.5%
Professional Fundraising Fees $0
Other Salaries and Wages $2,156,172
65.5%
Assets/Debt
Total Assets $3,248,020
Total Liabilities $802,928
Net Assets $2,445,092
Compensation
Key Employees and Officers Compensation Related Other
Gerd Heber (Executive Director) $178,447 $0 $19,477
John Readey (Director Of Tools And Clou) $177,356 $0 $21,249
Dana Robinson (Director Of Engineering) $167,181 $0 $7,695
Vanisha Taylor (Cfo) $149,935 $0 $18,703
Aleksandar Jelenak (Employee) $146,964 $0 $1,007
Neelam Bagha (Employee) $135,768 $0 $6,349
Neil Fortner (Employee) $127,692 $0 $21,205
Melinda Eads (Employee) $124,498 $0 $13,260
Michael Breitenfeld (Employee) $117,082 $0 $12,113
Michael J Folk (Secretary) $4,000 $0 $0
Jessica Popp (President) $4,000 $0 $0
Easwaran G Nadhan (Director) $4,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$3,295,775
Expenses
$3,270,329
Net Income
$25,446
Net Assets
$2,080,783
Notable Sources of Revenue Percent of Total Revenue
Contributions $3,187
0.1%
Program Services $3,291,910
99.9%
Investment Income $678
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $443,338
13.6%
Professional Fundraising Fees $0
Other Salaries and Wages $2,117,985
64.8%
Assets/Debt
Total Assets $2,975,611
Total Liabilities $894,828
Net Assets $2,080,783
Compensation
Key Employees and Officers Compensation Related Other
Gerd Heber (Executive Director) $171,598 $0 $23,383
John Readey (Director Of Tools And Clou) $165,448 $0 $32,035
Aleksandar Jelenak (Employee) $139,743 $0 $1,058
Vanisha Taylor (Cfo) $137,909 $0 $22,669
Dana Robinson (Senior Software Engineer) $136,926 $0 $6,538
Neelam Bagha (Employee) $121,658 $0 $5,796
Muqun Yang (Employee) $116,610 $0 $8,033
Michael Breitenfeld (Employee) $111,310 $0 $13,335
Elena Pourmal (Treasurer) $62,986 $0 $4,594
Michael J Folk (Secretary) $10,117 $0 $285
Jessica Popp (President) $4,000 $0 $0
Easwaran G Nadhan (Director) $4,000 $0 $0
Jed L Taylor (Director) $3,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$3,775,571
Expenses
$3,821,807
Net Income
-$46,236
Net Assets
$2,045,863
Notable Sources of Revenue Percent of Total Revenue
Contributions $5,276
0.1%
Program Services $3,766,993
99.8%
Investment Income $3,302
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $441,459
11.6%
Professional Fundraising Fees $0
Other Salaries and Wages $2,546,377
66.6%
Assets/Debt
Total Assets $2,681,088
Total Liabilities $635,225
Net Assets $2,045,863
Compensation
Key Employees and Officers Compensation Related Other
Elena Pourmal (Treasurer) $162,535 $0 $10,324
John Readey (Director Of Tools And Clou) $159,410 $0 $25,050
Dax Rodriguez (Dir. Of Commercial Service) $153,659 $0 $7,845
Dana Robinson (Senior Software Engineer) $138,264 $0 $6,519
Gerd Heber (Hdf5 Database And High Per) $134,480 $0 $17,577
Vanisha Taylor (Cfo) $133,219 $0 $17,587
John Mainzer (Senior Software Engineer) $131,596 $0 $6,169
Michael J Folk (Secretary) $103,794 $0 $0
Jed L Taylor (Director) $6,000 $0 $0
Jessica Popp (President) $4,000 $0 $0
Easwaran G Nadhan (Director) $4,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$4,718,326
Expenses
$4,103,516
Net Income
$614,810
Net Assets
$2,068,626
Notable Sources of Revenue Percent of Total Revenue
Contributions $7,772
0.2%
Program Services $4,699,751
99.6%
Investment Income $10,803
0.2%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $443,528
10.8%
Professional Fundraising Fees $0
Other Salaries and Wages $2,713,728
66.1%
Assets/Debt
Total Assets $2,773,430
Total Liabilities $704,804
Net Assets $2,068,626
Compensation
Key Employees and Officers Compensation Related Other
Dax Rodriguez (Dir. Of Commercial Service) $172,113 $0 $6,968
Elena Pourmal (Treasurer) $157,108 $0 $11,269
John Readey (Director Of Tools And Clou) $153,240 $0 $27,915
Dana Robinson (Senior Software Engineer) $134,382 $0 $6,415
Gerd Heber (Hdf5 Database And High Per) $129,532 $0 $19,497
Vanisha Taylor (Cfo) $128,126 $0 $19,523
John Mainzer (Senior Software Engineer) $127,706 $0 $6,061
Michael J Folk (Secretary) $112,053 $0 $1,449
Jed L Taylor (Director) $6,000 $0 $0
Jessica Popp (President) $4,000 $0 $0
Eg Nadhan (Director) $4,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$4,191,835
Expenses
$4,102,086
Net Income
$89,749
Net Assets
$1,437,516
Notable Sources of Revenue Percent of Total Revenue
Contributions $13,759
0.3%
Program Services $4,156,359
99.2%
Investment Income $21,717
0.5%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $692,312
16.9%
Professional Fundraising Fees $0
Other Salaries and Wages $2,292,447
55.9%
Assets/Debt
Total Assets $2,176,802
Total Liabilities $739,286
Net Assets $1,437,516
Compensation
Key Employees and Officers Compensation Related Other
David Pearah (Ceo) $297,001 $0 $17,536
Dax Rodriguez (Dir. Of Commercial Service) $160,650 $0 $25,478
Elena Pourmal (Treasurer) $153,702 $0 $13,584
Dana Robinson (Senior Software Engineer) $127,708 $0 $6,380
John Mainzer (Senior Software Engineer) $125,005 $0 $6,024
Vanisha Taylor (Cfo) $124,768 $0 $18,924
Gerd Heber (Hdf5 Database And High Performance Computing Leade) $122,718 $0 $18,848
John Readey (Director Of Tools And Cloud Technology) $116,016 $31,833 $25,686
Jerome Soumagne (Hpc Software Developer) $108,515 $0 $11,634
Michael J Folk (Secretary) $69,456 $0 $341
Jed L Taylor (Director) $6,000 $0 $0
Jessica Popp (President) $4,000 $0 $0
Eg Nadhan (Director) $4,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$4,634,741
Expenses
$5,080,095
Net Income
-$445,354
Net Assets
$1,280,535
Notable Sources of Revenue Percent of Total Revenue
Contributions $28,036
0.6%
Program Services $4,605,775
99.4%
Investment Income $930
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $608,069
12.0%
Professional Fundraising Fees $0
Other Salaries and Wages $0
Assets/Debt
Total Assets $2,108,606
Total Liabilities $828,071
Net Assets $1,280,535
Compensation
Key Employees and Officers Compensation Related Other
David Pearah (President) $283,620 $0 $32,784
Tom Brady (Dir. Of Federal Business Development) $179,544 $0 $5,274
Dax Rodriguez (Dir. Of Commercial Services & Solutions) $159,078 $0 $7,466
Ray Habermann (Director Of Earth Science) $153,345 $0 $1,259
John Readey (Director Of Cloud Services) $144,816 $0 $26,985
Elena Pourmal (Treasurer) $136,951 $0 $12,901
Dana Robinson (Senior Software Engineer) $130,144 $0 $6,509
Vanisha Taylor (Dir. Of Business & Finance) $122,651 $0 $19,161
Aleksandar Jelenak (Software Engineer) $122,635 $0 $1,217
Gerd Heber (Applications Architect) $122,545 $0 $19,069
John Mainzer (Principal Architect) $121,509 $0 $6,038
Michael J Folk (Secretary) $7,800 $0 $0
Jed L Taylor (Director) $6,000 $0 $0
Jessica Popp (Director) $1,708 $0 $0
Eg Nadhan (Director) $1,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$4,629,015
Expenses
$5,460,410
Net Income
-$831,395
Net Assets
$1,830,618
Notable Sources of Revenue Percent of Total Revenue
Contributions $35,634
0.8%
Program Services $4,591,381
99.2%
Investment Income $1,900
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $100
0.0%
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $669,597
12.3%
Professional Fundraising Fees $0
Other Salaries and Wages $3,158,934
57.9%
Assets/Debt
Total Assets $2,611,560
Total Liabilities $780,942
Net Assets $1,830,618
Compensation
Key Employees and Officers Compensation Related Other
David Pearah (President) $273,536 $0 $36,218
Ray Habermann (Director) $158,817 $0 $1,308
Tom Brady (Dir. Of Federal Business Development) $152,592 $0 $1,292
Dax Rodriguez (Dir. Of Commercial Services & Solutions) $151,130 $0 $5,340
John Readey (Director Of Cloud Services) $139,991 $0 $30,574
Elena Pourmal (Treasurer) $133,546 $0 $12,211
Aleksander Jelenak (Software Engineer) $119,882 $0 $1,192
Vanisha Taylor (Dir. Of Business & Finance) $119,791 $0 $18,295
John Mainzer (Senior Software Engineer) $118,546 $0 $1,946
Gerd Heber (Applications Architect) $118,078 $0 $18,116
Michael J Folk (Secretary) $8,625 $0 $0
Quincey Koziol (Director) $8,279 $0 $0
Jed L Taylor (Director) $6,000 $0 $0
William Gropp (Director) $1,500 $0 $0

Document Links

Fiscal Year Ending Dec.
2016

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$4,704,544
Expenses
$5,166,154
Net Income
-$461,610
Net Assets
$2,662,013
Notable Sources of Revenue Percent of Total Revenue
Contributions $21,150
0.4%
Program Services $4,681,164
99.5%
Investment Income $2,230
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $758,177
14.7%
Professional Fundraising Fees $0
Other Salaries and Wages $2,670,751
51.7%
Assets/Debt
Total Assets $3,321,630
Total Liabilities $659,617
Net Assets $2,662,013
Compensation
Key Employees and Officers Compensation Related Other
Ray Habermann (Director) $154,992 $0 $1,308
David Pearah (President) $139,269 $0 $18,627
John Readey (Director Of Cloud Services) $134,818 $0 $31,081
Elena Pourmal (Treasurer) $128,327 $0 $11,321
Vanisha Taylor (Dir. Of Business & Finance) $116,949 $0 $16,561
Aleksander Jelenak (Software Engineer) $116,072 $0 $1,163
Gerd Heber (Secretary) $112,888 $0 $16,250
Michael J Folk (Secretary) $74,689 $0 $3,343
Quincey Koziol (Director) $40,003 $0 $5,199
William Gropp (Director) $6,000 $0 $0
Jed L Taylor (Director) $6,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2015

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$4,255,337
Expenses
$4,526,126
Net Income
-$270,789
Net Assets
$3,123,623
Notable Sources of Revenue Percent of Total Revenue
Contributions $42,900
1.0%
Program Services $4,205,804
98.8%
Investment Income $2,633
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $4,000
0.1%
Notable Expenses Percent of Total Expenses
Executive Compensation $855,582
18.9%
Professional Fundraising Fees $0
Other Salaries and Wages $2,440,001
53.9%
Assets/Debt
Total Assets $3,683,474
Total Liabilities $559,851
Net Assets $3,123,623
Compensation
Key Employees and Officers Compensation Related Other
Ray Habermann (Director) $153,242 $0 $1,308
Michael J Folk (Chairman/President) $137,961 $0 $6,566
John Readey (Director Of Cloud Services And Tools) $133,911 $0 $27,160
Elena Pourmal (Treasurer) $128,080 $0 $10,471
Quincey Koziol (Director) $124,382 $0 $23,162
Vanisha Taylor (Dir. Of Business & Finance) $117,462 $0 $14,717
Aleksander Jelenak (Software Engineer) $117,277 $0 $1,151
Gerd Heber (Secretary) $111,822 $0 $14,410
William Gropp (Director) $6,000 $0 $0
Jed L Taylor (Director) $6,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2014

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$3,977,010
Expenses
$4,036,581
Net Income
-$59,571
Net Assets
$3,394,412
Notable Sources of Revenue Percent of Total Revenue
Contributions $42,900
1.1%
Program Services $3,930,486
98.8%
Investment Income $3,624
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $850,299
21.1%
Professional Fundraising Fees $0
Other Salaries and Wages $2,173,059
53.8%
Assets/Debt
Total Assets $3,864,469
Total Liabilities $470,057
Net Assets $3,394,412
Compensation
Key Employees and Officers Compensation Related Other
Ray Habermann (Director) $151,992 $0 $1,287
Michael J Folk (Chairman/President) $137,424 $0 $6,529
Elena Pourmal (Treasurer) $127,123 $0 $15,111
Quincey Koziol (Director) $123,715 $0 $21,315
Vanisha Taylor (Dir. Of Business & Finance) $115,632 $0 $13,719
Gerd Heber (Secretary) $111,037 $0 $13,414
Aleksander Jelenak (Software Engineer) $104,892 $0 $1,030
William Gropp (Director) $6,000 $0 $0
Jed L Taylor (Director) $6,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2013

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$4,432,691
Expenses
$3,778,161
Net Income
$654,530
Net Assets
$3,453,983
Notable Sources of Revenue Percent of Total Revenue
Contributions $40,900
0.9%
Program Services $4,383,789
98.9%
Investment Income $4,446
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $3,556
0.1%
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $767,216
20.3%
Professional Fundraising Fees $0
Other Salaries and Wages $2,074,303
54.9%
Assets/Debt
Total Assets $3,868,589
Total Liabilities $414,606
Net Assets $3,453,983
Compensation
Key Employees and Officers Compensation Related Other
Michael J Folk (Chairman/President) $130,902 $0 $6,257
Elena Pourmal (Treasurer) $117,054 $0 $16,206
Quincey Koziol (Director) $115,230 $0 $21,378
Vanisha Taylor (Dir. Of Business & Finance) $113,697 $0 $16,821
Donald Elmore (Dir Of Business Developmen) $111,740 $0 $3,710
Gerd Heber (Secretary) $108,390 $0 $14,845
Peter Xiangchi Cao Resigned In Sept (Secretary) $79,785 $0 $14,664
William Gropp (Director) $6,000 $0 $0
Jed L Taylor (Director) $6,000 $0 $0

Document Links

Fiscal Year Ending Dec.
2012

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$3,947,300
Expenses
$3,486,348
Net Income
$460,952
Net Assets
$2,799,453
Notable Sources of Revenue Percent of Total Revenue
Contributions $24,350
0.6%
Program Services $3,918,297
99.3%
Investment Income $5,274
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets -$621
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $686,101
19.7%
Professional Fundraising Fees $0
Other Salaries and Wages $1,826,311
52.4%
Assets/Debt
Total Assets $3,240,435
Total Liabilities $440,982
Net Assets $2,799,453

Document Links

Fiscal Year Ending Dec.
2011

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$3,827,340
Expenses
$3,578,174
Net Income
$249,166
Net Assets
$2,338,501
Notable Sources of Revenue Percent of Total Revenue
Contributions $152,889
4.0%
Program Services $3,668,021
95.8%
Investment Income $5,730
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $700
0.0%
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $638,137
17.8%
Professional Fundraising Fees $0
Other Salaries and Wages $1,879,614
52.5%
Assets/Debt
Total Assets $2,766,316
Total Liabilities $427,815
Net Assets $2,338,501

Document Links

Fiscal Year Ending Dec.
2010

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2009

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2008

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2007

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2006

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

Fiscal Year Ending Dec.
2005

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

About This Data

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

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Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

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For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes EINs and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
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  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

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