Eva Migdal is a wellness educator and health coach with a background in Physiotherapy, Education, Media, and Environmental Science. She specialises in designing practical, human-centred wellbeing solutions across sectors. As founder of Wellschool, she leads innovative programs that embed health coaching into schools, workplaces, and communities. Eva has lectured in RMIT’s Master of Wellness program, designed coaching programs for chronic disease prevention, and piloted whole-school wellbeing models. Her work blends coaching, curriculum design, and systems thinking to empower young people and educators alike.

Leah Williamson is a National Board-Certified Health and Wellness Coach (NBC-HWC) and Functional Nutritional Therapy Practitioner (FNTP) at Foundations Clinic. With over a decade in health and wellness, Leah founded the Brisbane Paleo Group in 2010 after adopting a natural food lifestyle that transformed her family’s health. She is a Master Coach certified through Primal Health Coaches, an Autoimmune Paleo Certified Coach, and a 350-hour Yoga and Pilates Instructor. Leah works closely with Dr. Ravi’s patients at the Foundations Clinic to manage diet and lifestyle recommendations with a focus on Circadian rhythm reset and therapeutic diets such as Paleo, Carnivore and Keto.

Based in Auckland, New Zealand, Rebekka Costello is a PREKURE-certified Health Coach and Registered Nurse with 16 years of experience. With a strong foundation in emergency nursing and a passion for evidence-based coaching, Rebekka brings a unique blend of clinical insight, coaching expertise, and lived experience to her practice. In her current role as a Wellness Coach at nib, one of New Zealand’s leading health insurers, she empowers clients to set and achieve their health goals through practical strategies and compassionate support, helping them create sustainable lifestyle changes and improved wellbeing

Sarah has worked with nib for almost 9 years and is currently the Head of Iwi Initiatives.  Working alongside iwi (tribes), hapū (sub-tribes), and Kaupapa Māori workplaces (workplaces working with Māori populations), she is focused on improving Māori health outcomes through Toi Ora – an ecosystem of health insurance, data, navigation, and proactive healthcare.