# Whetstone Ventures LLC (Craig Philips Family Office)

Whetstone Ventures LLC (Craig Philips Family Office) is a Single Family Office based in Mercer Island, United States.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Mercer Island, United States
- **Region:** North America
- **Founded:** 2016
- **LinkedIn:** https://www.linkedin.com/company/whetstoneventures

## Regulatory record

- **Reports private funds:** No

## About

Whetstone Ventures LLC (Craig Philips Family Office) is a single-family office headquartered in Mercer Island, United States. Founded in 2020 after Craig Phillips concluded a forty-year Wall Street and Treasury career that included senior posts at BlackRock, Morgan Stanley and the U.S. Department of the Treasury, the firm manages the Phillips family capital across direct early-stage biotechnology stakes and complementary venture funds—deploying patient, thesis-driven investments.

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Last updated: 2026-05-29T11:27:45.927Z

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