Author of The Humane Gardener

Co-Founder Starhill Forest Arboretum and Author

Curator, Blomquist Garden of Native Plants

The Nature Conservancy, Nebraska, Director of Science and Stewardship; Author

Springfield, Missouri Parks, Conservation Coordinator, Special Facilities

Izel Native Plants, Education & Outreach

Institute of Botanical Training , Director and Primary Instructor

Author of In the Country of the Kaw and Director of Conservation, Lauritzen Garden

Springfield Art Museum, Director

Executive Director, Natural Land Institute & Author

Missouri State Ornithologist

Habitat Architects, President and Owner

DCA Outdoor, Landscape and New Product Design

Presidential Postdoctoral Fellow in the Department of Fish and Wildlife Conservation at Virginia Tech

Brooklyn Bridge Park, Horticultural Director

Barr Engineering Company, Ecologist and Landscape Architect

Author of Tallgrass Prairie Wildflowers: A Field Guide to Common Wildflowers and Plants of the Prairie Midwest

Missouri Dept of Conservation, Kansas City Regional Natural History Biologist