MUUS Asset Management (Michael Sonnenfeldt Family Office)

Profile Preview — Altss

MUUS Asset Management (Michael Sonnenfeldt Family Office) Overview

Type

Single Family Office

Year Founded

1998

General Information

MUUS Asset Management (Michael Sonnenfeldt Family Office) is a single-family office headquartered in New York, United States. Founded in 1998 to steward wealth created by serial entrepreneur Michael Sonnenfeldt through opportunistic real estate redevelopment, private equity, and later renewable-energy ventures, the firm allocates capital across public and private markets, direct climate-technology investments, philanthropy, and real assets—advancing decarbonization while preserving multigenerational capital.

Contact Information

Website:
http://muus.com

Year Founded:
1998

Investment Focus & Strategy


Open To First Time Funds:

Institution Type:
Single Family Office

Leadership & Principals


Corporate Office:
New York, NY, United States

Portfolio & Notable Allocations


Altss Insights


Need institutional-grade insight on family offices?

Altss delivers:

  • • Live OSINT deal alerts
  • • Allocation history by asset class
  • • Principals with verified direct contacts

Prefer a guided tour?

We’ll walk you through:

  • • Interactive funding timelines
  • • Custom mandate & allocation filters
Muus Asset Management Michael Sonnenfeldt Family Office | New York Single Family Office | Altss