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Yoh Family Office Overview

Type

Single Family Office

Year Founded

1998

General Information

Yoh Family Office is a single-family office headquartered in Philadelphia, United States. Established in 1998, it stewards the wealth generated by the Yoh family’s full ownership of Day & Zimmermann, the multibillion-dollar construction, engineering, staffing and defense group founded in 1901. The office allocates capital across public equities, private businesses, real assets and impact ventures, manages intergenerational estate planning, and oversees philanthropic commitments—advancing disciplined, values-based growth.

Contact Information

Website:
https://www.dayzim.com

Year Founded:
1998

Investment Focus & Strategy


Open To First Time Funds:

Institution Type:
Single Family Office

Leadership & Principals


Corporate Office:
Philadelphia, PA, United States

Portfolio & Notable Allocations


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Yoh Family Office | Philadelphia Single Family Office | Altss