Rob McGowan is a prominent rongoā Māori practitioner, well respected for his work in the restoration of rongoā practise and traditional knowledge of native plants and medicines in Aotearoa New Zealand. Pā’s foundational knowledge of Rongoā Māori comes from Kaumatua on the Whanganui River, and he has spent the last 30-40 years learning and sharing his knowledge in a variety of ways about Te Waonui o Tāne.