Aspen Environmental Group is an expert interdisciplinary environmental impact analysis firm, specializing in the management of environmental assessment efforts under CEQA, NEPA, and other state and federal environmental regulations. Aspen is a leader in the provision of professional environmental and engineering services to public agencies responsible for building or reviewing infrastructure, industrial, and public works projects. Aspen’s clients are involved in constructing and permitting projects such as water, energy, flood control, and telecommunications infrastructure. Aspen’s clients are almost exclusively government agencies, including local, state, and federal agencies. 

Aspen provides technical services related to environmental assessment, engineering, environmental planning, and regulatory compliance. Aspen’s staff is comprised of a broad cross-section of experienced professionals in engineering and the physical, earth, life, and social sciences. Aspen has served as Prime Contractor to numerous public agencies involved in constructing infrastructure and public works projects in California.

Construction

Engineering

Government

Infrastructure

Aspen Environmental Group

Hamid Rastegar

Mark Alt

Tom Murphy

Negar Vahidi Mpa

Neda Rastegar Delmont

Susan Lee

Emba Stephanie Siefert

The Project Management and Support team at Aspen Environmental Group plays a critical role in overseeing the execution of environmental assessment projects, ensuring compliance with CEQA, NEPA, and related regulations. The team collaborates across disciplines, coordinating efforts between technical specialists and clients, managing documentation, and providing training on project management tools. Additionally, they support business development initiatives to strengthen client relationships and expand project opportunities within infrastructure and public works sectors.

Project Management and Support

Environmental Science and Planning

Leadership Team

Project Management and Support

About

Team members