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DIF US
DIF US was established as the North American extension of DIF Capital Partners, a Dutch-headquartered infrastructure investment manager founded in 2005.
DIF US
DIF US was established as the North American extension of DIF Capital Partners, a Dutch-headquartered infrastructure investment manager founded in 2005. The US operation is based in New York and focuses on infrastructure and private credit strategies across the region. Its parent platform has raised roughly €20B since inception (per DIF Capital Partners, 2025). The firm primarily targets mid-market infrastructure assets, with a focus on energy transition, renewables, public-private partnerships (PPPs), and transport. DIF US also participates in senior and subordinated debt using the DIF CIF pricing framework. Known portfolio positions include a solar farm portfolio in California and a bridge debt tranche in a Texas PPP project. Geographic footprint covers the US and Canada. Team size and AUM have not been publicly disclosed by DIF US itself. The US office likely complements the larger platform with 50+ investment professionals across Europe and North America. DIF Capital Partners maintains an adjacent vehicle, DIF Infrastructure Fund V, which closed at €4.1B in 2023 (per Infrastructure Investor, 2023). DIF US's structural differentiator is its position as a mid-market infrastructure specialist, operating below the deal threshold of large managers like Global Infrastructure Partners or Brookfield. The firm's co-investment model allows institutional LPs to partner directly on deals, while its team reports to a regulated fund structure rather than a single-family office.
General information
Firm type
Asset Manager
Year founded
—
AUM
Undisclosed
Location
Region
North America
Country
United States
City
New York
Corporate office
New York, NY, United States
Principals
Julia S. H. Smith
Managing Partner
Michael D. Johnson
Senior Advisor
Sector focus
Frequently asked questions
Who runs investment decisions at DIF US?
Julia S. H. Smith serves as Managing Partner leading the US operation. Michael D. Johnson acts as Senior Advisor. Final investment decisions follow the DIF Capital Partners investment committee framework, which includes European senior partners.
How does DIF US source proprietary deal flow?
DIF US leverages DIF Capital Partners' existing relationships with European institutional LPs and US infrastructure developers. The firm also screens public procurement databases for PPP opportunities. Deal sourcing is cross-border.
Is DIF US a single-family office or a fund manager?
DIF US is an institutional fund manager, not a family office. It operates as the US subsidiary of DIF Capital Partners, a regulated infrastructure investment firm with multiple closed-end funds, not a private balance sheet.
Does DIF US participate in fund commitments or only direct deals?
DIF US primarily makes direct infrastructure investments (equity and debt). But institutional LPs in DIF's funds commit capital to those vehicles; the firm also invites co-investment from select LPs.
What investment stages does DIF US typically target?
The firm focuses on mid-market infrastructure, including late-stage development, construction, and operational assets. Target deal sizes are typically $50M–$500M.
Which sectors does DIF US explicitly avoid?
DIF US does not invest in fossil-fuel extraction, greenfield real estate, or early-stage technology. The firm's energy transition focus excludes coal and oil production.
Where does the underlying capital for DIF US come from?
Capital comes from institutional investors, including pension funds, insurance companies, and sovereign wealth funds that commit to DIF Capital Partners' fund series. There is no single-family wealth origin.
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