Tammy M. Johnson

Vice President of Human Resources

Value Delivered

Tammy provides Human Resources (HR) leadership, direction, and support for the entire network of EMCOR Construction Services (ECS) companies. Partnering with operating company leadership, she assists them with staffing, recruiting, succession planning, employee development, employee relations issues, and compliance assurance.

Her responsibilities also include working closely with the ECS Operations CEOs and the HR leadership at EMCOR Group. In all her efforts, Tammy is driven to continuously improve the HR practices, work relationships, and overall work culture of ECS. 


A proven professional, Tammy has nearly four decades of experience working in the field of HR. She has held key HR and talent acquisition positions at several high-profile companies, including long-tenured leadership roles at organizations in manufacturing and government services. 

Throughout her career, Tammy has overseen recruiting, development, succession planning, and performance management for national organizations consisting of multiple thousands of employees. Initiatives spearheaded by Tammy at her organizations have helped improve operating efficiencies by increasing collaboration between HR, sales, operations, and other corporate teams.

Tammy has extensive experience identifying, engaging, and training top talent across the country. She has led teams of more than 25 professional recruiters and supported several large-scale hiring efforts, including one notable campaign that recruited over 1,300 employees across multiple states in only three weeks. 

Before entering the HR field, Tammy served as an Intelligence Analyst and Photojournalist with the United States Army. She holds an associate degree from Pierce College at Fort Steilacoom, a bachelor’s in HR management and personnel administration from National University, a master’s in business and industrial counseling from Wright State University, and a Doctor of Management in organizational leadership from the University of Phoenix.