Our Mission

We are an engineering consulting company with an entrepreneurial approach to the market providing services to a variety of private and government clients. Our goal is to always be at the forefront of applying technological innovation to water resources and geotechnical problems. Quality, passion, and entrepreneurial spirit are at the heart of everything we do. Through a simple, consistent and robust peer review process, we ensure that our work product is always of the highest quality.

Why Choose Aterra?


Aterra is focused on quality and understands the importance of a robust and efficient peer review process. Quality is at the core of our values and provides the foundation for technical accuracy, risk management, and cost and schedule efficiency – resulting in client satisfaction and loyalty.

Experience & Skills

We have exceptional experience and skills  in water resource engineering, civil design, geotechnical/geostructural engineering, stormwater management, flood hazard assessment and control, and project and program management.  


We consider timely and clear communication to be the cornerstone in building a strong and lasting relationship with our clients. This simple but effective philosophy is essential in preventing problems and misunderstandings and leads to highly successful projects. 

Entrepreneurial Spirit

We have employees with significant large company experience coupled with an entrepreneurial spirit and the drive to deliver technically sound, cost-effective, innovative and efficient solutions. This philosophy is at the core of everything we do and is why we get so excited when solving problems and taking on challenging new projects.

Passion for Our Work

We are driven by our passion to provide our clients with the highest quality, state-of-the-art technical support, on time and within the budget every time. We pride ourselves in solving our client’s problems and providing efficient and effective solutions.

Small Business Entity

We are a small business (13 CFR 121) offering employees with exceptional experience and skills at highly competitive rates.  Our flat management and low overhead structure provide  our clients with a clear cost and efficiency advantage over most large businesses.    

Aterra History

Aterra was founded in 2013 by Rob Monahan and Joe Bellini after the two had worked closely together at a large international engineering consulting firm. Petr Masopust followed them two years later to assume the role of Principal Engineer. Rob has a diverse engineering background, including civil, water resources, environmental and mechanical disciplines, combined with significant operations and managerial experience. Joe and Petr are both considered subject matter experts in severe flood modeling, dam engineering, and levee engineering. Our combined operations and managerial experience and technical expertise provide the ideal leadership platform for the company.