Our Team

Rob Pieroth
Founder & CEO

As Founder & CEO, Rob started Positive Energy with a simple goal: do good work and build lasting relationships. With over 35 years of hands-on experience in construction, he focuses on setting the company’s direction, supporting the team, and making sure every project reflects the company’s values.

Mike Pieroth
President

As President, Mike leads the development and implementation of Positive Energy’s strategic plan and oversees all aspects of the company’s operations. Mike has over 15 years of experience working on HUD housing, and LIHTC construction projects. He works closely with the team and clients to solve problems, stay on schedule, and deliver high quality results.

Eric Chavarin
General Manager

As General Manager, Eric oversees day-to-day operations of Positive Energy. With extensive experience in accounting, office management, and IT programming, he helps keep Positive Energy running efficiently. Eric supports company leadership, office, and field staff to ensure they have the resources they need to be successful.

Denisse FAGRE
Human Resources Manager

As Human Resources Manager, Denisse supports the team by overseeing hiring, onboarding, and employee support. Focused on creating a positive work environment, Denisse helps ensure employees have the resources and support they need to succeed.

Rafael Palomino
Project Manager

As Project Manager, Rafael handles projects from start to finish, coordinating schedules, budgets, and subcontractors. With a strong attention to detail and clear communication style, Rafael works closely with clients and crews to keep projects moving forward smoothly.

Sandra Pieroth
Branch Manager

As Branch Manager, Sandra directs material procurement and distribution strategies to consistently meet project schedules and operational goals. She is committed to delivering exceptional customer service through responsiveness, reliability, and clear communication.

Carlos Santillan
Senior Superintendent

As Senior Superintendent, Carlos oversees multiple projects and supports field teams across job sites. With years of experience in construction operations and facilities maintenance, Carlos helps mentor crews, solve problems in the field, and maintain consistent standards company-wide.

Fernando Rosales
Superintendent

As Superintendent, Fernando oversees key construction projects for Positive Energy. With a strong background in construction and hands-on facilities maintenance, Fernando focuses on safety, quality, and keeping jobs running on-schedule.