Expert on fungi and diseases of forest and urban trees, tree defects, and tree failure.
- Teaching achievement recognized by awards from UW-Madison, American Phytopathological Society, and International Society of Arboriculture.
- Consulting services provided to forest land and landscape tree owners and managers, public agencies, developers, and the legal community.
- Author of numerous scientific and popular articles and many presentations to forest and tree management professionals and the public.
- Member: Society of American Foresters, American Phytopathological Society, Mycological Society of America, International Society of Arboriculture,