Lehna sees a future in which people live integrated within their ecosystems, and where their built environments mimic the processes and functions of nature. She is a registered professional biologist and founder of an environmental consulting firm. She has extensive professional and academic experience in applied ecology. She completed a B.Sc. in Biology and Environmental Studies and obtained an interdisciplinary M.Sc. at the University of Victoria (Canada), in rainwater management and aquatic/riparian habitat restoration associated with residential, agricultural and commercial development. Lehna has worked for over 10 years providing ecological expertise within multi-disciplinary teams across a wide range of projects. She has used her skills to ensure that innovative, whole-system approaches are integrated into projects to take account of triple bottom line principles. She brings a deep understanding of ecological science, and the experience to improve environmental conditions through practical on-the-ground actions. Lehna has produced and presented extensive educational material, as well as coordinated conferences, workshops and courses.