Treehouse Investments, LLC, is a privately owned investment fund dedicated to supporting long-term sustainable and scalable solutions that address some of the most critical global challenges.

We believe that the private sector is essential to addressing the pressing unmet market needs created by climate change, gender inequality, and uneven access to capital.  At Treehouse Investments we recognize that supporting transformational business models and strategies not only benefits the planet and us as its inhabitants, but also represents a significant market opportunity.  We expect that over the long term our investment approach will outperform those that focus on financial returns alone.

“An imbalance between rich and poor is the oldest and most fatal ailment of all republics.”

Plutarch, historian

“El hombre que se levanta es aún más grande que el que no ha caído.”

Concepción Arenal, escritora

“Helping the poor financially must always be a provisional solution in the face of pressing needs. The broader objective should always be to allow them a dignified life through work.”

Laudato Si, Pope Francis I

“The most effective way to do it, is to do it.”

Amelia Earhart, aviator

“De l’audace, encore de l’audace, toujours de l’audace.”

Georges Danton, avocat


All investments have social and environmental impacts and we believe these must be evaluated and considered in equal measure with financial risk and return.  Treehouse Investments seeks fair, risk-adjusted rates of return for our investments in impact-focused opportunities.

For each investment we consider to what extent it:

  • reduces greenhouse gas emissions
  • empowers women
  • catalyzes a shift of capital to sustainable industries and business models

wind generator


Our current portfolio includes the following investments:

The ABRAAJ Group
Sun Funder
Crossboundary Energy
Better Ventures
Piece & Co.

Anne Amanda Bangasser

Anne Amanda is focused on engineering and gender.  She is a civil engineer by training, and prior to joining Treehouse she spent 7 years at Halcrow in water and wastewater treatment design.  Anne Amanda has a BSc in English from Emory University and in Civil Engineering from Georgia Institute of Technology and an MSc in Civil Engineering from the University of Wales.  She is a member of the Institution of Civil Engineers, the American Society of Civil Engineers and the Society of Women Engineers.

Dominique Bangasser Slavin

Dominique is focused on finance and operations. Prior to working with Treehouse she spent 10 years managing a private family office.  She has a BA in Humanities from the University of Chicago, an MSc in Philosophy from the University of Edinburgh, and an MBA from the Interamerican University of Puerto Rico.  She is a CPA by training.

Raoul G Slavin Julia

Raoul is focused on alternative energy.  He is Executive Director of Aspenall Energies, a portfolio company, which he founded in 2007.  Raoul has a BA from St. John’s College and a Juris Doctor from Columbia University.


We welcome the opportunity to get in touch.
Please submit all proposals and inquiries here:

New York Office:
Treehouse Investments LLC
The Yard Office 507
157 Columbus Avenue
New York, NY 10023

Minnesota Office:
Treehouse Investments LLC
The Rainbow Building Suite 300
1422 West Lake Street
Minneapolis, MN 55408

Phone: 914.646.4098

email: info@treehouseinvestments.comLogo