Grasslands Restoration Staff
Grassland Restoration Leadership
Jeremy French, Chief of Ecological Restoration
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Jeremy French serves as the Director of Ecological Restoration and Stewardship for the Southeastern Grasslands Institute. Jeremy is based out of Clarksville, TN and serves as the SGI lead for the NPS IRA and BIL projects. In addition to these projects, Jeremy and his team spearhead grassland conservation projects across SGI's 24-state focal region, encompassing grassland research, restoration, and reconstruction. Prior to his role as the Director of Ecological Restoration and Stewardship, Jeremy served as the Interior Low Plateaus Ecoregion coordinator and successfully led a multi-state and multimillion dollar project geared towards restoring grasslands on private lands, which impacted thousands of acres. Jeremy's love for grasslands stems from his time researching the effects of Bison grazing on herpetofauna communities in tall grass prairie remnants and natural community response to oak savanna restoration.
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Chris Fleming, M.S., Director of Project Management
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Chris Fleming serves as the Director of Project Management at the Southeastern Grasslands Institute (SGI), where he leads teams dedicated to advancing grassland restoration across 40 National Parks throughout the eastern United States. He holds a Master’s degree in Botany from the University of Tennessee, with a focus on the flora and ecology of the Southeast. With more than two decades of experience in the environmental consulting field, he has specialized in water resource inventories and permitting, ecological restoration, and rare species surveys. Most recently, he co-led the development of the first statewide GeoAI model for wetland identification in Tennessee, marking a significant advancement in conservation technology. His deep appreciation for grassland ecosystems is rooted in years of exploring wet meadows, remnant grasslands of the Cumberland Plateau, and the high-elevation balds of the Southern Appalachians.
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Grassland Restoration Administration
Holly L, M.Sc., Project Specialist
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Holly serves as SGI's Project Specialist. Holly obtained her Master of Science degree from Austin Peay State University in 2022. Holly's favorite plant genera are Liatris, Equisetum, and Achillea. Beyond her professional pursuits, she finds joy in birding, reading, and maintaining an extensive houseplant collection, reflecting her deep appreciation of nature and conservation.
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Email: holly.latta@segrasslands.org
Sara Whisler, M. S., Project Specialist
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Sara graduated from Austin Peay in 2016 with a B.S.in English Literature. Sara started working at Austin Peay in the Health and Counseling department as the Administrative Assistant. During this time, she completed her master’s degree in Strategic Leadership. Sara has a passion for organization and budgets, and loves learning new things. Sara enjoys new experiences and has done everything from archery to zip-lining. Sara is excited to join the SGI team and put her experience to work. Her current projects are Shibori (a Japanese dye technique), Pilates, and spending time with her pup Ginger Pie.
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Regional Coordinators & Ecologists
Caroline Crews, Interior Low Plateau Grasslands Coordinator
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Caroline serves as SGI’s Interior Low Plateau Grasslands Coordinator, leading conservation and restoration efforts across middle and western Tennessee, north-central Alabama, and central Kentucky. She joined SGI after collaborating with the team as a graduate research assistant, a role that reshaped her understanding of Southeastern ecology and ignited her passion for grassland conservation. She brings diverse experience in ecological research, fire management, field botany, and environmental education. Previously, she worked as a conservation researcher with The Nature Conservancy, where she monitored wildlife responses to native habitat restoration efforts. She also coordinated an urban environmental education program and served as a naturalist at the Warner Park Nature Center in Nashville, helping to connect communities with their local ecology. Caroline is currently completing a master’s degree in natural resources at Auburn University, where her research focuses on plant community dynamics and biodiversity across Southeastern prairies, savannas, and woodlands.
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Vero Tessier, Middle Tennessee Coordinator
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Vero works as the Middle Tennessee Coordinator for SGI. Vero was formerly a research ecologist at SGI. She grew up in the Blackland Prairie region of North Texas and gained a passion for grasslands while doing prairie restoration work during her undergraduate years at Austin College. She has since done vegetation monitoring in longleaf pine and tallgrass prairie ecosystems, as well as in the grasslands of the South Texas Sandsheet. She plans to eventually return to school to study plant ecology.
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Jon Casado, Central Appalachian Grasslands Coordinator and Ecologist
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Jon is working for SGI as our Central Appalachian Grasslands Coordinator and Ecologist based in Roanoke, VA. Jon’s role focuses on restoration of grasslands in public lands across the Eastern U.S. Jon is originally from Florida, but left to do conservation and ecological restoration work across the Appalachian mountains & piedmont. While on a seed collection project--using his hand lens and ruler to inspect & study the minute and fascinating structures of different forbs & grasses -- he became irrevocably intrigued and invested in botany. Jon is excited to contribute to grasslands restoration with SGI as he believes this work is among the most paramount campaigns of our time.
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Email: jon.casado@segrasslands.org
Zach Irick, Southern Appalachian Grasslands Coordinator and Ecologist
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Zach serves as the Southern Appalachian Grasslands Ecologist based in Chattanooga, Tennessee. Zach works with a variety of partners to accomplish on the ground research and restoration activities of rare plant species and plant communities across the Southern Appalachian region.
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Email: zach.irick@segrasslands.org
Jordan Coscia, Ph.D., Mid-Atlantic Grasslands Coordinator
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Jordan serves as the Mid-Atlantic Grasslands Coordinator and is based in Roanoke, Virginia. He works to conserve and restore grasslands on public lands across the Mid-Atlantic alongside a variety of partner organizations. Jordan completed his dissertation on the floristics, conservation, and restoration of Virginia’s native grasslands at Virginia Tech as a research fellow with the Smithsonian’s Virginia Working Landscapes program. He is excited to continue his work protecting the native grasslands of the Southeast alongside the SGI team.
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Restoration Technicians
Aaron Kiessling, Restoration Technician
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Aaron started his journey in conservation four years ago with the state of Pennsylvania. He worked with the Pennsylvania Game Commission to re-establish the ring-neck pheasant population. I was a Forest Maintenance Worker for the Department of Conservation and Natural Resources; assisting with road maintenance, outdoor recreation, and wildfire suppression/mitigation. Aaron is a big advocate for fire and its benefits in the restoration world. Before he came to SGI, Aaron was with a non-profit helping the JNF with fireline construction and fuels reduction. Aaron is happy to start his journey with SGI.
Brody Englert, Lead Restoration Technician
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Brody serves as a Lead Field Technician for SGI. His love of the outdoors started from a young age, and has continued to grow throughout his life. Brody attended Georgia Southern University, acquiring his Bachelor’s degree in Outdoor Recreation Management in 2022. During that same year, he also spent a year in Montana with the AmeriCorps, developing a deeper love and appreciation of the land and that which inhabits it. After this, he returned to the Southeast, working in South Carolina as a Trail Crew Leader with the Palmetto Conservation Foundation. Now in Tennessee, he works with SGI to help restore our native grasslands.
Ethan Shepherd, Restoration Technician
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Ethan is a restoration technician for our America’s Ecosystem Restoration Initiative (AERI) project in Middle Tennessee. Ethan graduated from Liberty University with his Bachelor of Science degree in Zoo and Wildlife Biology. After graduating, he worked with The Nature Conservancy’s Missouri chapter as a Prescribed Fire Technician focusing on prairie habitat management. From there, he was employed by The Orianne Society as a Prescribed Fire Technician managing longleaf pine habitat for gopher tortoises and eastern indigo snakes. He is now with the Southeastern Grasslands Institute pursuing his interest in native grassland restoration and management.
Sarah Majewski, Restoration Technician
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Sarah is a Restoration Technician through SGI located in Roanoke, Virginia. Growing up in New England, Sarah spent most of her childhood outside, which is where her love for nature began. She graduated from Stony Brook University on Long Island in 2023 with a B.S in biology, with a concentration in ecology and evolution. Since then she's worked on variety of different conservation projects. She is excited to be working with SGI as a Restoration Technician, aiding with the restoration and preservation of our grasslands!
Ariel Schwartzman Miles, Botany Technician
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Ariel is a botanist born and raised in New York, whose love of naturalism was sparked by apartment gardening. She received her bachelor's degree in biology at Vassar College in 2025, with a thesis on epiphytic old-growth bryophytes of Nova Scotia. During her undergraduate studies, she also worked on herbarium digitization and assisted in research on pollinator-plant networks, prairie biodiversity, and bryophyte ecology - her favorite field of study. Apart from botanizing, she can be found backpacking, baking bread, and playing old-time music. She is excited to familiarize herself with the diversity of southeastern flora and is grateful to be working in such an organization that prioritizes education and outreach.
Chris Sczesny, Lead Restoration Technician
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Coming soon!
Jacob Keller, Restoration Technician
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Jacob serves SGI as a Field Technician based out of Clarksville, Tennessee. Jacob grew up in Marshall County, Tennessee, located within the Nashville Basin, where the farmland, the Duck River, the oak-hickory forests, and the cedar glades inspired in him a love for Tennessee’s land, natural history, native plants, and wildlife. He gained his first experience in habitat restoration while with the Natural Resource team of Murfreesboro Parks & Recreation. He graduated from MTSU with a degree in Plant and Soil Science, and during this time began to assist with prescribed burns, having learned its immense benefit to native habitats. Jacob is deeply grateful for this opportunity to be working towards conserving the incredible grasslands of the Southeast.
Ryan Stuart, M.S., Restoration Technician
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Ryan Stuart serves as a field technician on the National Parks Service Team. He served nine years in the Army before changing careers, obtaining his undergraduate degree in Biology, and his MS in Biology at Austin Peay State University. While at APSU, he investigated the influence of restored grasslands on mesocarnivores such as coyotes and bobcats. Along with restoration efforts, Ryan plays drums for his local church, and also enjoys many outdoor activities such as hiking, hunting, and kayaking.
Blake Moss, Restoration Technician
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Blake is a restoration technician for our America’s Ecosystem Restoration Initiative (AERI) project in Middle Tennessee. Blake is from Pickens County in the mountains of North Georgia. He has a variety of conservation work and experiences from native seed collection in Colorado, Abandoned mine lands restoration in West Virginia to prescribed fire in Georgia. He is particularly fond of grassland flowering plants and butterflies but enjoys learning everything there is to know about the history and ecology of grassland ecosystems.
Corlee Thomas-Hill, Indigenous Land Stewardship Coordinator
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Corlee Thomas-Hill has been a tribal liaison with SGI since 2023. Corlee is a citizen of the Eastern Band of Cherokee Indians (EBCI) and is located in Western North Carolina. She received her BA in History from the University of North Carolina at Asheville and previously worked for the EBCI as a GIS Technician, and as the Remember the Removal bike ride coordinator. In her current role as a Tribal Liaison, she works to build lasting relationships with Tribal Nations and citizens throughout the Southeast to better understand tribal needs in restoration and conservation. She is interested in learning more about the conservation needs of culturally significant plants found within grassland ecosystems, cultural fire, and better ways to uplift Indigenous voices in conservation. In her free time Corlee volunteers with BIPOC groups to promote diversity and help make the outdoors more accessible to all.
Matthew Trotter, M.S., Restoration Technician
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Born and raised in Clarksville, TN, Matthew is happy to contribute to protecting this area's natural history. In the past few years, Matthew has discovered an understanding of native plants and how important they are to the land. After spending a year studying and monitoring the native plant communities of the Southeast, he is now excited to restore native grasslands in our National Parks.
Seasonal restoration technicians
Becca Guetzov, Seasonal Restoration Technician
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Becca is a Seasonal Restoration Technician based in Roanoke, Virginia. She is a recent graduate from Vanderbilt University with a B.A. in Climate & Environmental Studies with a concentration in Climate Ecology & Biology. Her passion for ecological restoration stems from a high school volunteer project removing invasive plant species, which set her on the path toward a career in ecology. Originally from the northeast, Becca has always loved the mountains and landscapes of the Adirondacks. Since attending Vanderbilt, however, she is excited to continue exploring the biodiversity and unique ecosystems of the Southeast.
Mason Tomlinson, Seasonal Restoration Technician
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Mason is from Houston County TN and graduated from Montgomery Central High School just down the road from APSU. Mason is also a graduate from Middle Tennessee State University and has been working in Wildlife Rehabilitation prior to SGI. Mason is excited to protect and restore the historic grasslands while also learning and developing his knowledge of ecology.
Cody Gallivan, Seasonal Restoration Technician
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Sami Underhill, Seasonal Restoration Technician
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Coming soon!
Kian Murphy, Seasonal Restoration Technician
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Kian is a Seasonal Restoration Technician based in Clarksville, TN. He is in his fourth year of university at Austin Peay State University, where he is studying for a bachelor's degree in geology. His research interests include sedimentology and hydrogeology. Kian chose to work at SGI to learn about the native ecology and botany of the region alongside the geology.
