# Island Management

Island Management is a Single Family Office based in Darien, United States.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Darien, United States
- **Region:** North America
- **Address:** Darien, CT, United States
- **Founded:** 2002
- **Assets under management:** Undisclosed
- **Website:** islandmanagementllc.com
- **LinkedIn:** https://www.linkedin.com/in/howard-romanow-b405604/

## About

Island Management was formed in 2002. Howard Romanow joined as COO and CFO in 2011. William Ziegler III founded the family wealth through Swisher International. The office sits in Darien, Connecticut. The firm deploys across public markets, funds, direct control stakes, private equity, real estate and SPVs. It targets early-stage and growth opportunities in healthcare services, industrial tech and supply chain. North America forms the geographic focus. No specific portfolio holdings appear in public records. Team size and AUM remain undisclosed. Family members William T. Ziegler and Cynthia Ziegler Brighton act as co-managers. Adjacent vehicles include the E. Matilda Ziegler Foundation for the Blind and the Ziegler Family Charitable Fund. No operational events from the last 24 months are recorded. The structure centers on direct control stakes alongside fund commitments. Family members maintain board roles at the Maritime Aquarium at Norwalk and memberships at the Noroton Yacht Club.

## Sectors

- Healthcare Services
- Industrial Tech
- Supply Chain & Logistics

## People

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

## Questions

### Who runs investment decisions at Island Management?

Howard Romanow serves as COO and CFO since 2011. William T. Ziegler and Cynthia Ziegler Brighton act as co-managers and co-presidents.

### Does Island Management participate in fund commitments or only direct deals?

The firm allocates across public markets, funds, direct control stakes, private equity, real estate and SPVs.

### What investment stages does Island Management typically target?

Confirmed stages include early stage and growth.

### Which sectors does Island Management focus on?

Sector tags include healthcare services, industrial tech and supply chain & logistics.

### Does Island Management maintain philanthropic structures?

Yes. Structures include the E. Matilda Ziegler Foundation for the Blind and the Ziegler Family Charitable Fund.

### How does Island Management source deal flow?

Howard Romanow holds active memberships in ACG New York and Axial for sourcing.

## Related profiles

- [Island Capital Funds](https://altss.com/profile/island-capital-funds-jay-senerchia-family-office)
- [Isola Capital](https://altss.com/profile/isola-capital)

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/island-management-romanow-family-office

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