Environ Energy's Mininberg Transitions to Co-Chairman as Sternberg Becomes CEO
Portfolio - People | Mar 26, 2025 | EIN
Environ Energy, a leader in sustainable energy solutions, has announced a leadership transition in which Mark Mininberg, founder, and CEO, will take on the role of co-chairman. Christopher Sternberg, who joined Environ as president in November 2023, has been promoted to CEO. Mininberg founded what began as Hospital Energy in 1995, which evolved into Environ Energy in 2021. Under his leadership, the company has experienced significant growth, spearheaded regulations that promoted sustainability, and completed six acquisitions in three years with private equity backing from 424 Capital. Sternberg, with over 25 years in energy trading and risk management, is set to drive Environ's next phase focusing on growth through talent development, mergers and acquisitions, and expanding energy procurement and sustainability solutions. Environ's mission remains clear—to advance energy-efficient solutions in various sectors including healthcare, manufacturing, and education. Their services manage over 100M square feet of space and have saved clients over $100M.
Sectors
- Sustainable Energy
- Private Equity
Geography
- United States – Environ Energy and 424 Capital operate primarily within the United States, making it a central geography for their operations and influence.
Industry
- Sustainable Energy – Environ Energy operates in the sustainable energy industry, providing clean energy and efficiency solutions aimed at enhancing energy resilience and environmental sustainability.
- Private Equity – 424 Capital's involvement categorizes this as part of the private equity industry, investing in companies in tech-enabled services to drive long-term growth.
Financials
- $2 billion – Value of Environ Energy's portfolio in energy contracts.
- $100 million – Reported client savings achieved through Environ Energy's solutions.
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| Environ Energy | Target company | Company | Leader in sustainable energy solutions, originally founded as Hospital Energy. |
| Mark Mininberg | Outgoing CEO, new Co-Chairman | Person | Founder of Environ Energy, transitioning from CEO to co-chairman. |
| Christopher Sternberg | New CEO | Person | Newly promoted CEO with extensive experience in energy trading and risk management. |
| 424 Capital | Private Equity Partner | Company | Invests in lower middle market companies, supporting Environ Energy's acquisition strategy. |