Olex Kal'tsev
Founder at Ernest Energy, Inc.
Profile
Olex Kal'tsev is the founder of Ernest Energy, Inc. founded in 2023 where he holds the title of Chief Financial Officer.
Currently, he holds the position of Chief Business Officer & Senior Vice President at Modern Clinics, Inc. since 2020 and is also a Partner at Cold Start Ventures.
Previously, he worked as Vice President at Local.
House International, Inc. from 2019 to 2020.
Olex Kal'tsev active positions
| Companies | Position | Start |
|---|---|---|
Cold Start Ventures
 Cold Start Ventures Investment ManagersFinance Modern Ventures I LLC (Modern Ventures I) is a venture capital firm in 2019 by Yury Yakubchyk. The firm is headquartered in Lewes, Delaware. | Private Equity Investor | - |
Ernest Energy, Inc.
 Ernest Energy, Inc. Engineering & ConstructionIndustrial Services Ernest is an American modern construction company that utilizes custom software and project execution to build at scale. The private company offers a complete commercial service package, including guaranteed evening and after hours work. The company was founded by Olex Kal'tsev. | Founder | 2022-12-31 |
Modern Clinics, Inc.
 Modern Clinics, Inc. Internet Software/ServicesTechnology Services Modern Clinics, Inc. provides medical services. The company was founded by Yury Yakubchyk and Michael Ragheb and is headquartered in McLean, VA. | Corporate Officer/Principal | 2019-12-31 |
Former positions of Olex Kal'tsev
| Companies | Position | End |
|---|---|---|
Local.House International, Inc.
 Local.House International, Inc. Hotels/Resorts/Cruise linesConsumer Services Local.House International, Inc. provides personally identifiable information and data. The company was founded by Yury Yakubchyk and Rami Zeidanand is headquartered in New York, NY. | Private Equity Investor | 2019-12-31 |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
Local.House International, Inc.
Local.House International, Inc. Hotels/Resorts/Cruise linesConsumer Services Local.House International, Inc. provides personally identifiable information and data. The company was founded by Yury Yakubchyk and Rami Zeidanand is headquartered in New York, NY. | Consumer Services |
Modern Clinics, Inc.
Modern Clinics, Inc. Internet Software/ServicesTechnology Services Modern Clinics, Inc. provides medical services. The company was founded by Yury Yakubchyk and Michael Ragheb and is headquartered in McLean, VA. | Technology Services |
Cold Start Ventures
Cold Start Ventures Investment ManagersFinance Modern Ventures I LLC (Modern Ventures I) is a venture capital firm in 2019 by Yury Yakubchyk. The firm is headquartered in Lewes, Delaware. | Finance |
Ernest Energy, Inc.
Ernest Energy, Inc. Engineering & ConstructionIndustrial Services Ernest is an American modern construction company that utilizes custom software and project execution to build at scale. The private company offers a complete commercial service package, including guaranteed evening and after hours work. The company was founded by Olex Kal'tsev. | Industrial Services |
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