Announcing Mariana Lopez as Director of Administration

At Precision Environmental, we believe great companies are built by great people—and when those people rise, we rise with them. Today, we are proud to celebrate the remarkable journey and well-earned advancement of Mariana Lopez, who has been promoted to Director of Administration.

Mariana’s career with Precision Environmental is an inspiring example of dedication, expertise, and leadership cultivated through consistent performance and an unwavering commitment to excellence. Since joining the company, Mariana has progressed from Project Director to Regional Project Director, and now into a senior leadership role that reflects both her talent and the impact she has made across our organization.

A Leader Built Through Experience and Merit

Mariana brings an uncommon depth of knowledge to her new role, shaped heavily by her estimating background and firsthand experience managing complex environmental projects. This technical foundation has given her a unique understanding of the detailed processes necessary for successful project execution—knowledge that continues to elevate our standards company-wide.

Her growth has been fueled not only by skill, but by character. Mariana is widely recognized for her positive attitude, collaborative spirit, and the professionalism she brings to every team and every project. Her leadership truly reflects the culture and values we commit to at Precision Environmental.

Driving Quality and Operational Excellence Across California

As Director of Administration, Mariana will be responsible for overseeing all quality control measures throughout California, ensuring that each project moves through its lifecycle with accuracy, transparency, and efficiency. She will also manage and support our California branch locations, fostering consistency, communication, and operational excellence statewide.

Her role is essential—not just in closing projects successfully, but in shaping the systems that keep Precision Environmental performing at the highest level.

A Future Guided by Strong Leadership

Mariana’s promotion marks an exciting chapter in our company’s growth. We are proud to highlight her achievements, honored to have her leadership, and excited to support her continued development as she takes on this expanded role.

Congratulations, Mariana—your success is well deserved.