Mikki graduated with Bachelor of Science in Human Nutrition, and a Bachelor of Physical Education from the University of Otago, Dunedin, New Zealand. She attained her Masters in Science (Human Nutrition) with First Class Honours in 2003, focusing on the development of a childhood obesity prevention programme.
Mikki then went on to obtain a PhD in 2011, completing a doctoral thesis in health and productivity in the New Zealand workforce.
She has been privately consulting with clients since 2006, and has worked with a vast number of people with different health and performance goals. She has a regular column in Bite Magazine (part of the New Zealand Herald) and Kiwi Trail Runner magazine.