Julie Erickson, PMP

President and Chief Executive Officer

Julie Erickson, PMP, is the owner, Board President, and CEO at Stell. She earned her Master’s in Business Administration while serving her country as an Information Technician in the Navy.

Julie is incredibly passionate about developing the next generation of leaders through a project management approach that leverages technology to support smart infrastructure, without compromising the environment.

When she’s not working, you can find Julie on one of her three bikes, trail running, or participating in her community.

Heidi Olivera

Pursuits Manager

Heidi is our Pursuits Manager with over three decades of in-depth experience with proposal management for federal agencies and private organizations.

She is currently working toward her CF APMP certification and is passionate about making a difference in communities across the nation through collaborative and sustainable projects with Stell.

In her spare time, Heidi serves on the board of directors and supports grant writing for a nonprofit that honors our military veterans at their passing. She also loves to spend time with her daughter and their goldendoodle, Ranger.

Danielle Gascoyne, PMP

Client Manager & Project Manager

Danielle pulls double duty at Stell as both a Client Manager and Project Manager, allowing her to get up close and personal with most of our projects.

With over a decade of experience in the environmental industry, she is passionate about improving ecological and human health for future generations and is proud to do that by being involved with various Stell projects at the local, state, and federal levels.

When she isn’t going all-in on a project, you can find Danielle on the golf course, organizing a charity golf event, or spending time with her two children.

Mick James

Manager of Operations

As Manager of Operations Mick is responsible for ensuring everything runs smoothly in the office and out in the field for all environmental, infrastructure, and technology projects. Mick has a rich background in corporate operations for globally recognizable brands and originally began his career as an officer in the Marine Corps.

When he isn’t in the office, Mick enjoys spending time with his family outdoors in the Pacific Northwest climate, water skiing in the summer and hitting the slopes in the winter.

Dr. Tanya Peres

Cultural Resources Technical Director

Dr. Tanya Peres is a nationally recognized anthropologist and archaeologist with more than 20 years of experience in academic research, university teaching, and cultural resource management. Based in Florida, she brings deep expertise in zooarchaeology, Indigenous foodways, and Tribal collaboration.
Dr. Peres has held leadership positions at Florida State University and Middle Tennessee State University, where she led interdisciplinary research initiatives and mentored emerging professionals in the field. Her work has been supported by over $1 million in funded research and is widely published in scholarly and applied venues.
In her role as Cultural Resources Technical Director, Dr. Peres combines her academic rigor with a collaborative approach to team building and client engagement. She is committed to advancing inclusive and respectful cultural resource practices that serve both communities and project goals.

Ann Marie Howell BA, MBA

Sustainability and Geospatial Analyst

Ann Marie Howell is the Sustainability and Geospatial Analyst at Stell, blending her rich background in Natural Resources Conservation, Geospatial Technology, and Anthropology. Ann Marie holds an MBA in Environmental Sustainability and Compliance. As a mother to Kainoa and Leilani, Ann Marie is invested in fostering a healthier planet for future generations. Her journey from a nurse for cerebral palsy patients to a pivotal force in sustainability, showcases her dedication to making a meaningful impact.

When not driving environmental excellence at Stell, she thrives on outdoor adventure and creating lasting memories with her children.