Clerk of the House of Representatives
Legislative Resource Center
135 Cannon Building
Washington, DC 20515
http://lobbyingdisclosure.house.gov 		Secretary of the Senate
Office of Public Records
232 Hart Building
Washington, DC 20510
http://www.senate.gov/lobby
LOBBYING REPORT

Lobbying Disclosure Act of 1995 (Section 5) - All Filers Are Required to Complete This Page

1. Registrant Name Organization/Lobbying Firm Self Employed Individual
Strogen Strategic Sustainability, LLC

2. Address

Address1
1500 K Street NW
 Address2
​Suite 200
City
Washington
 State
DC
 Zip Code
20005-1264
 Country
USA

3. Principal place of business (if different than line 2)

City
​
State
​
Zip Code
​
Country
​
4a. Contact Name b. Telephone Number c. E-mail
​Mr.
​Bret Strogen
​4154832738
​bret@strogen.com
5. Senate ID#
​401107789-56760
7. Client Name Self Check if client is a state or local government or instrumentality
​OMC Thermochemistry fka OMC Hydrogen
6. House ID#
​561670001
TYPE OF REPORT 8. Year
​2025
 Q1 (1/1 - 3/31) Q2 (4/1 - 6/30) Q3 (7/1 - 9/30) Q4 (10/1 - 12/31)

9. Check if this filing amends a previously filed version of this report

10. Check if this is a Termination Report Termination Date
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11. No Lobbying Issue Activity
INCOME OR EXPENSES - YOU MUST complete either Line 12 or Line 13
12. Lobbying 13. Organizations
INCOME relating to lobbying activities for this reporting period was: EXPENSE relating to lobbying activities for this reporting period were:
Less than $5,000
Less than $5,000
$5,000 or more $
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$5,000 or more $
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Provide a good faith estimate, rounded to the nearest $10,000, of all lobbying related income for the client (including all payments to the registrant by any other entity for lobbying activities on behalf of the client). 14. REPORTING Check box to indicate expense accounting method. See instructions for description of options.
Method A. Reporting amounts using LDA definitions only

Method B. Reporting amounts under section 6033(b)(8) of the Internal Revenue Code

Method C. Reporting amounts under section 162(e) of the Internal Revenue Code

Signature
Digitally Signed By: Bret Strogen
 Date
10/25/2025 1:07:50 PM

LOBBYING ACTIVITY. Select as many codes as necessary to reflect the general issue areas in which the registrant engaged in lobbying on behalf of the client during the reporting period. Using a separate page for each code, provide information as requested. Add additional page(s) as needed.

15. General issue area code ENG

16. Specific lobbying issues

Engaged with DoD and DOE energy and technical leadership, as well as congressional energy staff, to advance understanding of OMCs thermochemical hydrogen and syngas production technology for military and industrial applications.

17. House(s) of Congress and Federal agencies Check if None

Defense - Dept of (DOD), U.S. HOUSE OF REPRESENTATIVES, U.S. SENATE, Energy - Dept of, Defense Logistics Agency

18. Name of each individual who acted as a lobbyist in this issue area

First Name Last Name Suffix Covered Official Position (if applicable) New
Bret
Strogen
PhD
Special Assistant for Energy and Sustainability -- Office of the Assistant Secretary of the Army for Installations, Energy, and Environment

19. Interest of each foreign entity in the specific issues listed on line 16 above Check if None

​

LOBBYING ACTIVITY. Select as many codes as necessary to reflect the general issue areas in which the registrant engaged in lobbying on behalf of the client during the reporting period. Using a separate page for each code, provide information as requested. Add additional page(s) as needed.

15. General issue area code DEF

16. Specific lobbying issues

Briefed senior DoD officials and congressional defense committees on the potential of OMCs technology to address critical operational energy and fuel supply chain vulnerabilities. Sought targeted funding in the Defense Appropriations Bill to support pilot demonstrations and integration of advanced thermochemical processes for resilient, distributed military energy and hydrocarbon-based material solutions.

17. House(s) of Congress and Federal agencies Check if None

U.S. SENATE, U.S. HOUSE OF REPRESENTATIVES, Defense - Dept of (DOD), Defense Logistics Agency

18. Name of each individual who acted as a lobbyist in this issue area

First Name Last Name Suffix Covered Official Position (if applicable) New
Bret
Strogen
PhD
Special Assistant for Energy and Sustainability -- Office of the Assistant Secretary of the Army for Installations, Energy, and Environment

19. Interest of each foreign entity in the specific issues listed on line 16 above Check if None

​

LOBBYING ACTIVITY. Select as many codes as necessary to reflect the general issue areas in which the registrant engaged in lobbying on behalf of the client during the reporting period. Using a separate page for each code, provide information as requested. Add additional page(s) as needed.

15. General issue area code CHM

16. Specific lobbying issues

Engaged with executive branch and legislative stakeholders to highlight the role of OMCs technology in strengthening domestic chemical and fuel supply chains, reducing reliance on foreign sources, and supporting sustainable chemical manufacturing. Advocated for appropriations and policy recognition to accelerate deployment of innovative chemical process technologies in defense and critical industrial sectors.

17. House(s) of Congress and Federal agencies Check if None

U.S. SENATE, U.S. HOUSE OF REPRESENTATIVES, Defense Logistics Agency, Defense - Dept of (DOD)

18. Name of each individual who acted as a lobbyist in this issue area

First Name Last Name Suffix Covered Official Position (if applicable) New
Bret
Strogen
PhD
Special Assistant for Energy and Sustainability -- Office of the Assistant Secretary of the Army for Installations, Energy, and Environment

19. Interest of each foreign entity in the specific issues listed on line 16 above Check if None

​

LOBBYING ACTIVITY. Select as many codes as necessary to reflect the general issue areas in which the registrant engaged in lobbying on behalf of the client during the reporting period. Using a separate page for each code, provide information as requested. Add additional page(s) as needed.

15. General issue area code SCI

16. Specific lobbying issues

Advocated for increased federal investment in research, development, and demonstration of OMCs thermochemical process as a transformative science and technology solution for clean hydrogen and syngas (as a feedstock for hydrocarbon products) production. Engaged with congressional and agency S&T leaders to secure support for public-private partnerships, workforce development, and technology transition programs relevant to national security and energy innovation priorities

17. House(s) of Congress and Federal agencies Check if None

U.S. HOUSE OF REPRESENTATIVES, U.S. SENATE, Defense - Dept of (DOD), Defense Logistics Agency

18. Name of each individual who acted as a lobbyist in this issue area

First Name Last Name Suffix Covered Official Position (if applicable) New
Bret
Strogen
PhD
Special Assistant for Energy and Sustainability -- Office of the Assistant Secretary of the Army for Installations, Energy, and Environment

19. Interest of each foreign entity in the specific issues listed on line 16 above Check if None

​

Information Update Page - Complete ONLY where registration information has changed.

20. Client new address

Address
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City
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State
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Zip Code
​
Country
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21. Client new principal place of business (if different than line 20)

City
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State
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Zip Code
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Country
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22. New General description of client’s business or activities

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LOBBYIST UPDATE

23. Name of each previously reported individual who is no longer expected to act as a lobbyist for the client

First Name
Last Name
Suffix
First Name
Last Name
Suffix
1
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3
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2
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4
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ISSUE UPDATE

24. General lobbying issue that no longer pertains

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AFFILIATED ORGANIZATIONS

25. Add the following affiliated organization(s)

Internet Address:

Name Address Principal Place of Business
(city and state or country)
Street Address
City State/Province Zip Country
City
State Country

26. Name of each previously reported organization that is no longer affiliated with the registrant or client

1 2 3

FOREIGN ENTITIES

27. Add the following foreign entities:

Name Address Principal place of business
(city and state or country) 		Amount of contribution for lobbying activities Ownership percentage in client
Street Address
City State/Province Country
City
State Country
%

28. Name of each previously reported foreign entity that no longer owns, or controls, or is affiliated with the registrant, client or affiliated organization

1 3 5
2 4 6

CONVICTIONS DISCLOSURE

29. Have any of the lobbyists listed on this report been convicted in a Federal or State Court of an offense involving bribery, extortion, embezzlement, an illegal kickback, tax evasion, fraud, a conflict of interest, making a false statement, perjury, or money laundering?

Lobbyist Name Description of Offense(s)