Niki Martimianaki is a graduate of the Department of Human Nutrition at the University of Northumbria, Newcastle Upon Tyne, and the Department of Nutritional Therapy and Lifestyle Medicine at Worcester University, UK. She has a specialist qualification in plant-based nutrition with a degree from the University of Winchester, UK. Her interests are in hormonal disorders and menstruation, and the role of diet and lifestyle in their management. She is co-founder of Ertha, a wellness-focused functional teas company, and offers scientific research and product development consultancy services.