Our multidisciplinary digital dietetics team
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Dr Saira Hameed, MD, PhD   Dr Saira Hameed is a Consultant Endocrinologist and an Honorary Senior Clinical Lecturer at Imperial College London. She trained in medicine at Oxford University and University College London. After completing her PhD, Dr Hameed was appointed to an NIHR Clinical Lectureship in Endocrinology at Imperial College London, during which she designed, researched and delivered the novel and highly effective Imperial Satiety Programme, which has achieved life-changing weight-loss, health and wellbeing benefits for patients. Fav diet fact: Gram for gram, dried fruit contains more sugar than a chocolate bar
Miss Jessica Upton   Jess Upton is a Registered Clinical and Specialist Bariatric Dietitian. She is currently the the senior specialist bariatric Dietitian within Imperial College London, and has previously worked as a Dietitian in Qatar, providing dietary advice for a variety of conditions including weight management, bariatric surgery, gastroenterology, disordered eating and sports nutrition. Her passion is to support, motivate and educate clients to enable self-empowerment, successful behavioural changes, and ultimately optimal lifestyle adaptations. In supporting clients, her aim is to provide uncomplicated and evidence-based advice, which is adapted to meet their specific goals.
Dr Kapil Sahnan, MD, PhD Kapil is surgeon and a post-doctoral scientist at Imperial College London. He qualified from Imperial College London with a BSc and a MBBS in 2011. He has a specialist interest in education and has been a 'Surgical tutor' for Oxford University, a ‘Regional Educational Supervisor’ at Cambridge University, and a ‘Clinical Tutor’ at St Mark’s Hospital, London. He recently completed his PhD at St Mark's Hospital, in patient and public involvement in research, the analysis of healthcare databases and healthcare technology. Fav diet fact: A large glass of white wine (250ml) has approximately the same number of calories as one doughnut (190 calories).
Mr James Kinross, MD, PhD James Kinross is a Senior Lecturer in Colorectal Surgery and a Consultant Surgeon at Imperial College London. He performed his PhD on the gut microbiome and he was funded by the NIHR and the Academy of Medical Sciences as an early stage lecturer. He is a visiting Professor at the Royal College of Surgeons of Ireland. He has a specialist interest in surgical nutrition and his research group is defining how diet-gut microbiome interactions cause chronic disease Fav diet fact: The average apple contains about 2g of fibre. We need more than 30g a day to keep the gut healthy, and that is a lot of apples!
Mr Sanjay Purkayastha, MD, PhD Mr Sanjay Purkayastha is a Consultant General Surgeon at OneWelbeck Digestive Surgery, specialising in bariatric and upper GI surgery. He is also a senior lecturer at Imperial College London, where he also works as a trauma surgeon. Mr Purkayastha was one of the first surgeons in the UK to carry out robotic bariatric surgery and is just one of four surgeons at the Imperial Weight Centre: a Tier 3 and Tier 4 service providing weight loss management and surgery for obesity patients from all over the UK. He is also innovating with new personalised digital pathways in private healthcare especially for patients with appendicitis, gallstone disease and obesity related issues.

Who are we?

Evidence driven
“In God we trust, all others bring data.” We let data guide our decisions, recommendations and advice rather than preconceived biases or judgements.
Community focused
“Talent wins games, but teamwork and intelligence win championships.” No one person has all the answers. We believe in the power of community for sharing knowledge, providing support and motivating each other through our own individual journeys.
Flexibility lived
“Be stubborn about your goals, but flexible about your methods.” Mangetoo is not a one size fits all, but a flexible approach tailored to your needs. We account for the differences that make us unique when we give recommendations.
Team worked
“Alone we can do so little. Together we can do so much.” We are a small, but diverse team of physicians, dietitians, data scientists and health entrepreneurs, bringing deep experience and knowledge to create the best weight loss experience in the world.
Simplicity powered
“Simplicity is the key to brilliance.” We believe in having world-class dietary advice in your pocket, whenever and wherever you want it. Through our technology-enabled approach, we provide you with top notch content 24/7.
London, UK
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