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Single Family OfficeNo direct investingLAST VERIFIED Jun 2026 · 1 SOURCES

Island Management

Single family office in Darien, United States, founded 2002; focus on healthtech, industrial and mobility.

Family & background

FAMILY
Romanow
HEADQUARTERS
Darien, United States
FOUNDED
2002

Investment approach

Overview

This single family office is based in Darien, United States; it was founded in 2002. Listed sector interests include healthtech, industrial and mobility. 4 people are named on its team.

People

  • Howard Romanow
    COO and CFO · source
  • William T. Ziegler
    Co-manager and co-president · source
  • Cynthia Ziegler Brighton
    Co-manager and co-president · source
  • William Ziegler III
    Founder · source

Classification

Single Family Office. Manages one family's own capital, with no outside investors. The family bears every loss. How family capital is classified →

FAQ

Island Management is a single family office based in Darien, the United States, founded in 2002.

Island Management invests on behalf of the Romanow family.

Island Management does not publicly state whether it invests directly or through funds.

Island Management invests in HealthTech, Industrial & Manufacturing and Mobility & Logistics.

Key people at Island Management include Howard Romanow (COO and CFO), William T. Ziegler (Co-manager and co-president), Cynthia Ziegler Brighton (Co-manager and co-president) and William Ziegler III (Founder).