Stanley Masaki is a specialist in human nutrition for more than ten years with background of clinical medicine. Worked in different areas of clinical medicine and human nutrition's in Tanzania.

He has involved in various researches such as Singida Agro ecological survey (SNAP), Prevalence of Type 2 Diabetes Amongst Maasai living in Ngorongoro conservation area and those living in Arusha Urban (The paper was published in the Journal of Applied Life Sciences International). He was also involved in National Nutritional survey using Smart Methodology.

Had a permanent employment by Ministry of Reginal Administration and local Government at Rombo District Council in Kilimanjaro Region as Clinical, Nutrition and Research officer. Currently is doing consultation clinics to patients and train the community on how best to do with nutrition's at his private clinic in Dar es salaam, Tanzania.

Academically, completed Master of Life sciences and Bioengineering specializing in Health and Medical Biosciences at Nelson Mandela university in Tanzania and has Degree of Home Economics and Human Nutrition from Sokoine University in Tanzania.