Updated:
LSAF Management
LSAF Management, LLC is an SEC-registered investment adviser with its main office in White Plains, NY. The firm provides investment advice to clients.
LSAF Management
LSAF Management, LLC is an SEC-registered investment adviser with its main office in White Plains, NY. The firm provides investment advice to clients. It is headquartered in Westchester County.
General information
Firm type
Single Family Office
Location
Region
North America
Country
United States
Principals
Lawrence S. Adelson
Principal
Sector focus
Frequently asked questions
Who runs investment decisions at LSAF Management?
Lawrence S. Adelson, the principal, is the primary decision-maker. The office was established to manage the proceeds from his earlier sale of Interface Systems and does not operate under an investment committee structure typical of multi-partner institutions.
Where does the underlying wealth come from?
The wealth originates from Lawrence S. Adelson's founding and subsequent sale of Interface Systems, a computer services company. This liquidity event provided the permanent capital base the office now deploys into private markets.
Is LSAF Management structured as a single family office or does it accept outside capital?
LSAF Management operates as a single-family office. It does not publicly solicit outside limited partners and invests proprietary Adelson family capital, which provides structural flexibility on hold periods and investment concentration not available to regulated fund managers.
What investment stages does LSAF Management typically target?
Based on public securities filings, the office invests across venture-stage and mature private companies, favoring growth-stage and established enterprises. The mandate supports both minority and control transactions with a buy-and-hold approach.
Does LSAF Management participate in fund commitments or only direct deals?
The office is known primarily for direct equity positions rather than acting as a limited partner in blind-pool funds. This direct orientation gives it greater control over underwriting and exit timing on individual portfolio holdings.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
Need institutional-grade insight on family offices?
Altss delivers:
Prefer a guided tour?
We’ll walk you through: