Hal Yoh
![Hal Yoh](/media/b1rcym31/hal-yoh.jpg?anchor=center&mode=crop&width=400&height=400&rnd=133041061181600000)
Hal Yoh
Chair & CEO
Day & Zimmermann
Hal Yoh is Chair and CEO of Day & Zimmermann, a leader in construction & engineering, staffing and defense solutions, headquartered in Philadelphia, PA and ranked as one of the largest private companies in America. He is a graduate of Duke University with a BS in Mechanical Engineering and Material Sciences and he holds a MBA from The Wharton School of Business at The University of Pennsylvania.