Hal Yoh is chair and chief executive officer of Day & Zimmermann, a leader in construction & engineering, staffing and defense solutions for leading corporations and government agencies around the world. He is the third generation of the Yoh family to lead Day & Zimmermann—a family-owned business and former recipient of the U.S. National Family Business of the Year award. As chairman and chief executive officer since 1999, Hal has helped shape the strategic growth that the company has achieved over the last few decades.
