About the Firm
Grounded in fiduciary duty. Oriented toward enduring outcomes.
Our Story
StoneBrook was founded on a simple premise: that accredited investors deserve access to institutional-quality real estate without institutional minimums.
The firm was established to bridge the gap between retail real estate investing — characterized by misaligned incentives, opaque fee structures, and speculative assumptions — and the disciplined, research-driven approach employed by institutional capital allocators managing pension, endowment, and sovereign wealth funds.
Our principals bring decades of combined experience spanning acquisitions, asset management, capital markets, and property operations. We have underwritten transactions across multiple property types, economic cycles, and capital structures — giving us a risk-calibrated lens that few emerging managers can match.
Every investment we bring to our partners has first passed through a rigorous internal review process. We reject more opportunities than we accept — and we believe that selectivity, not scale, is the defining characteristic of a trustworthy fiduciary.
Transparency First
Clear fee structures, no hidden promotes, and direct reporting on every active asset.
Fiduciary Standard
We hold ourselves to the same standard as registered investment advisors across every engagement.
Aligned Capital
Principals co-invest in every placement, ensuring our interests are permanently aligned with yours.
Leadership
Experienced principals. Institutional pedigree.
Albert Diodonet
General Partner & Investor Relations
Experienced real estate General Partner with active roles in multifamily syndications. Albert is the primary point of contact for all LP inquiries, capital coordination, and investor communications throughout the hold period, ensuring clear and direct access at every stage.
Diana Diodonet
General Partner & Investor Relations
Diana brings 15+ years in real estate operations, financial auditing, and business leadership, including serving as CEO of a Christie's International Real Estate team. She oversees investor onboarding, document management, reporting, and GP-LP milestone communications.
Full biographies and professional credentials available upon execution of a Non-Disclosure Agreement.
Our Values
The principles behind every decision.
Selectivity Over Volume
We do not chase deal flow. We underwrite every opportunity to institutional standards and decline anything that does not meet our risk-adjusted return thresholds.
Radical Transparency
Investors receive direct asset-level reporting, including underwriting assumptions, actual vs. projected performance, and capital account statements on a defined schedule.
Structural Integrity
We structure every deal to protect LP capital through preferred returns, waterfall provisions, and conservative loan-to-value targets.
Long-Term Orientation
We do not manage to quarterly benchmarks. Our hold periods, underwriting assumptions, and investor communication all reflect a long-term compounding perspective.