Natalie Peyronnin Snider

Senior Director, Coastal Resilience


Areas of expertise:
Ecosystems, large-scale restoration and protection planning, science communication, natural resources management and policy, science-based decision making, ecosystem services, natural infrastructure, rivers and deltas

Natalie is the director of science policy for EDF’s Mississippi River Delta Restoration program. She works to ensure sound science is being utilized to plan, design, implement and adaptively manage projects and policies, with a focus on system dynamics. Natalie also leads the science committee for Restore the Mississippi River Delta, a coalition of local and national conservation organizations working to restore Louisiana’s vanishing coast.


Previously, Natalie was a senior scientist for Louisiana’s Coastal Protection and Restoration Authority, where she served as the project manager for the 2017 Coastal Master Plan, the technical lead and science communicator for the 2012 Coastal Master Plan, diversion coordinator, and liaison with The Water Institute of the Gulf and academic institutions.

Natalie also worked as science director for the Coalition to Restore Coastal Louisiana, where her responsibilities included science advocacy, regulatory oversight, on-the-ground restoration, staff and volunteer management, partnership development, grant management and outreach.


B.S. in Wildlife and Fisheries Management, with minors in Forestry and Zoology & Physiology from Louisiana State University

M.S. in Oceanography and Coastal Sciences from Louisiana State University


Peyronnin, N., R. Caffey, J.H. Cowan Jr., J. Dubravko, A. Kolker, S. Laska, A. McCorquodale, E. Melancon Jr., J.A. Nyman, R. Twilley, J. Visser, J. White and J. Wilkins. 2016. Building Land in Coastal Louisiana: Expert Recommendations for Operating a Successful Sediment Diversion that Balances Ecosystem and Community Needs.

Kemp, G.P., J.W. Day, J.D. Rogers, L. Giosan and N.Peyronnin. 2016. Enhancing mud supply from the Lower Missouri River to the Mississippi River Delta USA: Dam bypassing and coastal restoration. Estuarine, Coastal and Shelf Science (In Press).

Kemp, G.P., J.W. Day, Jr., A. Yáñez-Arancibia, and N.S. Peyronnin. 2016. Do Continental Shelf River Plumes in the Northern and Southern Gulf of Mexico Promote Ecological Resilience in a Time of Climate Change? Water 8(3): 83

Louisiana’s 2012 Coastal Master Plan Technical Analysis. 2013. Natalie S. Peyronnin and Denise Reed (editors). Journal of Coastal Research: Special Issue 67.

Peyronnin, N.S., M. Green, C.P. Richards, A. Owens, D. Reed, J. Chamberlain, D.G. Groves, K. Rhinehart, and K. Belhadjali. 2013. Louisiana’s 2012 Coastal Master Plan: Overview of a Science-Based and Publicly Informed Decision-Making Process. In: Peyronnin, N.S. and Reed, D. (eds.), Journal of Coastal Research: Special Issue 67 - Louisiana′s 2012 Coastal Master Plan Technical Analysis.

Coastal Protection and Restoration Authority. 2012. Louisiana’s Comprehensive Master Plan for a Sustainable Coast. Baton Rouge, Louisiana: CPRA, 188p.

Coalition to Restore Coastal Louisiana and Lake Pontchartrain Basin Foundation. 2008. Comprehensive Recommendations Supporting the Use of the Multiple Lines of Defense Strategy to Sustain Coastal Louisiana: Version I Report.