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

DCA Outdoor, Landscape and New Product Design

Institute of Botanical Training , Director and Primary Instructor

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

Missouri State Ornithologist

Author of The Humane Gardener

Brooklyn Bridge Park, Horticultural Director

Springfield, Missouri Parks, Conservation Coordinator, Special Facilities

Co-Founder Starhill Forest Arboretum and Author

Izel Native Plants, Education & Outreach

Barr Engineering Company, Ecologist and Landscape Architect

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

Curator, Blomquist Garden of Native Plants

Executive Director, Natural Land Institute & Author

Habitat Architects, President and Owner

Missouri Dept of Conservation, Kansas City Regional Natural History Biologist

Springfield Art Museum, Director