Mark is a Senior Principal Water Resources Engineer based in California with more than 25 years of experience focused on water and natural resources. He specializes in river basin management and planning, local water supply reliability, large system hydrology and hydraulics, surface water and groundwater management, and waterfront resilience.
Mike is a Senior Staff Professional based in Oregon focused on river and wetland restoration, fish passage and habitat creation, and innovative stormwater infrastructure solutions. He provides data analysis and modeling support for stream restoration, TMDL compliance, stormwater BMPs, lake management, and coastal projects.
Chris is a Scientist based in Utah focused on ecosystem science and management, water resources planning, environmental permitting, and water quality monitoring and assessment. He specializes in ecosystem management and restoration, biogeochemistry and ecohydrology, and environmental statistics.
Olivia is a Project Engineer based in Texas focused on watershed and stormwater management, stream restoration, environmental compliance and permitting, water quality and green infrastructure design, and remedial analysis and design. Her specialties include nature-based design, hydrologic and hydraulic modeling and design, erosion and sediment control design, and development of civil plans.
The RRNW Symposium is an annual event that brings together engineers, scientists, planners, and policymakers to share knowledge, explore innovative solutions, and foster collaboration in river restoration practices.
Geosyntec Participation
Presentations
Balancing Urban Constraints and Riparian Function in Buttermilk Creek
Speaker: Mark Hanna
Date/Time: Tuesday, February 3, 2026, at 1:30 p.m. PT
A Proactive Approach for Stream Resiliency in the Kelley Creek Watershed
Speaker: Mike Du Bose
Date/Time: Wednesday, February 4, 2026, at 9:20 a.m. PT
Implementation of and Compliance with the First Aquatic Species TMDL in California
Speaker: Chris Adkison
Date/Time: Thursday, February 5, 2026, at 1:00 p.m. PT
Poster
Lower Buttermilk Creek Bank Stabilization and Restoration
Presenter: Olivia Bramlet
Date/Time: Tuesday, February 3, 2026, at 2:30 p.m. PT and Wednesday, February 4, 2026, at 1:30 p.m. PT
More Information on River Restoration and Standards
Learn more about the symposium.
Learn more about River Restoration Northwest.
To learn more about river restoration and basin management, contact Mark at MHanna@Geosyntec.com.
