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Steve Manning, President

Steven Manning has spent the past 25 years working on invasive species.  He is the current President of the Pacific Northwest Invasive Plant Council current Vice President of the Mid Atlantic Invasive Plant Council, co-chair of the National Military Fish and Wildlife Association’s Invasive Species Working Group and serves on the board of the North Carolina Invasive Plant Council.  He is also the founder and President of Invasive Plant Control, Inc. (IPC)  IPC was created to extend internationally its dedication to the control of invasive species utilizing a revised Integrated Pest Management approach and has successfully controlled hundreds of invasive species for a wide variety of land managers including federal, state, municipal and private landowners throughout the world. 

Mr. Manning also designs and implements multiple training courses and workshops worldwide with topics ranging from “Invasive Species in Ports of Entry” to “On the Ground Control Techniques.”   IPC invests heavily in educational and awareness activities annually and is also heavily involved with local, state and international industry development projects including Volunteer Based Early Detection Networks.  In 2012 IPC introduced a suite of software and web based tools dedicated to environmental needs.  His 2010 publication,   Miller, J.H.: Manning, S.; Enloe, S.F.  2010  “A field guide for the management of invasive plants in southern forests”  was published by the U.S. Department of Agriculture Forest Service, Southern Research Station. ( 

Lizbeth Seebacher, Treasurer


Lizbeth Seebacher has an M.S. and Ph.D. in estuarine and freshwater wetland restoration and invasive species biology. She leads numerous workshops and trainings in invasive species biology and species identification for the general public. She has worked for Sustainable Conservation developing a Plant Risk Assessment model and the Army Corps of Engineers as a Wetland Biologist.


Currently, she works for the Washington State Department of Ecology as a Wetland and Aquatic Biologist where she manages two independent programs on aquatic invasive plants and freshwater algae.  She is a board member for the Society of Wetland Scientist, the Washington Invasive Species Council and the PNW Invasive Plant Council.






Shawna Bautista

Shawna Bautista is currently the Regional Pesticide Use and Invasive Plant Coordinator for the Pacific Northwest Region of the Forest Service in Portland.  She has been with the Forest Service for 26 years. She received her B.S. in Wildlife Management from Humboldt State University and her M.S. in Zoology and Physiology from the University of Wyoming. 

Shawna is a Wildlife Biologist, beginning her career on the Angeles National Forest in southern California.  It was on the Angeles NF that Shawna noticed the devastating effects of Arundo donax on endangered fish and bird habitat, and her passion for managing invasive plants was born. 

Justin Bush

Justin Bush was hired as the executive coordinator to the Washington Invasive Species Council in 2016. He has been working on invasive species issues since 2008 with federal, state, regional, and local organizations including King County, Skamania County, and the Lady Bird Johnson Wildflower Center at the University of Texas at Austin, where he managed the statewide partnership. During these years, he has been involved in various projects to prevent, detect, and control both aquatic and terrestrial invasive species and is passionate about reducing the threat they pose to the economy, native species and ecosystems. When he is not working to stop invasive species, Justin can be found kayaking, SCUBA diving, riding motorcycles, and traveling. 

Dana Pearce

Dana Pearce is Vice President of CP Designs, Inc., the makers of Uprooter and Weed Wrench products. She helped to launch Uprooter products in January of 2014 and has continued to be an integral part of the operations and manufacturing team. She has a Bachelor's degree in Cultural Anthropology and a Master's in Business Administration. She continues to partner in regional and national initiatives providing education and action toward removing invasive plant species. She has coordinated and hosted annual Weed Wrangle events, participated in the local CWMA, and is a board member of the Pacific Northwest Invasive Species Council. She is passionate about protecting and preserving the Rogue River in southern Oregon and its watershed.


Greg Haubrich

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