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David Roosth
Director/Board Member at
GREENFIRE RESOURCES LTD.
Net worth: 2 M $ as of 2026-08-30
Profile
David Roosth is currently Managing Director at Waterous Energy Fund, Director at Houston Urban Debate League, Non-Independent Director at Strathcona Resources Ltd., and Non-Independent Director at Greenfire Resources Ltd. Former roles include Director at Strathcona Resources Ltd. (Old), Principal at Kohlberg Kravis Roberts & Co. LP, and Analyst at TPH Partners LLC.
Education includes an undergraduate degree from Yale University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
0.03% | 2026-03-04 | 70,732 ( 0.03% ) | 2 M $ | 2026-08-30 |
David Roosth active positions
| Companies | Position | Start |
|---|---|---|
| GREENFIRE RESOURCES LTD. | Director/Board Member | 2024-12-22 |
Waterous Energy Fund
 Waterous Energy Fund Investment ManagersFinance Waterous Energy Fund invests in companies located in North America, primarily in Canada and the United States. The firm targets companies operating in the fields of Canadian oil and gas sector. It provides financing for the growth and buyout. | Private Equity Investor | - |
Houston Urban Debate League
 Houston Urban Debate League Houston Urban Debate League is a nonprofit organization dedicated to fostering competitive debate programs in public schools. The private company is located in the US. It serves approximately 30 ISD high schools and engages 650 to 1,000 students, providing free summer workshops for students and coaches, multiple debate tournaments including a city championship, and academic seminars led by experts. The league offers mentorship from volunteer debate experts, scholarships for university-sponsored summer workshops, and support for those affected by hurricane Harvey. It promotes community involvement through mentoring, judging, and donations, with volunteers undergoing background checks and training. The organization supports four debate formats—policy, world schools, public forum, and Lincoln-Douglas—offering detailed judging guidance and educational resources. It is governed by a board of directors and backed by community and legal professionals, focusing on educational development, community support, and enhancing debate skills among urban youth. | Director/Board Member | - |
Former positions of David Roosth
| Companies | Position | End |
|---|---|---|
TPH Partners LLC
 TPH Partners LLC Investment ManagersFinance TPH Partners invests in middle-market companies located in the United States. The firm focuses on upstream, midstream and oilfield services sectors of the energy industry. It also acquires majority interest and controlling stake in the company. | Private Equity Analyst | 2011-12-31 |
Strathcona Resources Ltd.
 Strathcona Resources Ltd. Integrated OilEnergy Minerals Provides oil and gas exploration services | Director/Board Member | - |
Kohlberg Kravis Roberts & Co. LP
 Kohlberg Kravis Roberts & Co. LP Investment ManagersFinance KKR invests in middle market private and public companies located across the globe with an enterprise value of USD 200 - 1000 million. The firm focuses on companies operating across a broad range of sectors and industries. It provides financing in the form of equity and debt for buyouts, acquisitions and growth capital requirements. The firm makes minority and majority investments. It also makes follow on investments and co-investments. | Private Equity Investor | - |
Training of David Roosth
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
32
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Kohlberg Kravis Roberts & Co. LP
Kohlberg Kravis Roberts & Co. LP Investment ManagersFinance KKR invests in middle market private and public companies located across the globe with an enterprise value of USD 200 - 1000 million. The firm focuses on companies operating across a broad range of sectors and industries. It provides financing in the form of equity and debt for buyouts, acquisitions and growth capital requirements. The firm makes minority and majority investments. It also makes follow on investments and co-investments. | Finance |
Yale University
 Yale University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
TPH Partners LLC
TPH Partners LLC Investment ManagersFinance TPH Partners invests in middle-market companies located in the United States. The firm focuses on upstream, midstream and oilfield services sectors of the energy industry. It also acquires majority interest and controlling stake in the company. | Finance |
Waterous Energy Fund
Waterous Energy Fund Investment ManagersFinance Waterous Energy Fund invests in companies located in North America, primarily in Canada and the United States. The firm targets companies operating in the fields of Canadian oil and gas sector. It provides financing for the growth and buyout. | Finance |
Strathcona Resources Ltd.
Strathcona Resources Ltd. Integrated OilEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
Houston Urban Debate League
Houston Urban Debate League Houston Urban Debate League is a nonprofit organization dedicated to fostering competitive debate programs in public schools. The private company is located in the US. It serves approximately 30 ISD high schools and engages 650 to 1,000 students, providing free summer workshops for students and coaches, multiple debate tournaments including a city championship, and academic seminars led by experts. The league offers mentorship from volunteer debate experts, scholarships for university-sponsored summer workshops, and support for those affected by hurricane Harvey. It promotes community involvement through mentoring, judging, and donations, with volunteers undergoing background checks and training. The organization supports four debate formats—policy, world schools, public forum, and Lincoln-Douglas—offering detailed judging guidance and educational resources. It is governed by a board of directors and backed by community and legal professionals, focusing on educational development, community support, and enhancing debate skills among urban youth. | |
Greenfire Resources Ltd.
 Greenfire Resources Ltd. Integrated OilEnergy Minerals Explores, acquires, develops and produces oil and gas | Energy Minerals |
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