We are a team of leading, licensed healthcare professionals challenging the status quo and changing the narrative around weight management and obesity care – because we actually do care.


Program Physicians

Aamir Haq
Aamir Haq is a family physician with a fellowship in palliative care. He maintains a busy family practice and provides hospice and home-based palliative care in Etobicoke, ON. As a proud generalist physician who trained and grew up in Northern Ontario, Aamir strives to maintain a career with a wide skill set. Throughout the COVID-19 pandemic, he developed a focus in obesity medicine and enthusiastically helps his patients through their weight loss journey. Obesity is a chronic medical illness that impacts many domains of an individual’s life and its treatment involves a range of bio-psycho-social knowledge set that Aamir is passionate to engage in. In addition to clinical practice, he also enjoys teaching and providing mentorship to medical students.

Aamir
Haq
Program Physician, MD, CCFP (PC)
Pamela Lau
Pam Lau is a licensed physician in Family Medicine and Diplomate of the American Board of Obesity Medicine. She received her medical degree at the University of Toronto and then went on to pursue her residency training at McMaster University. She has a passion for obesity care and is excited to work with patients at the MWMCC. Aside from her obesity medicine work, she does surgical assisting at Markham-Stouffville Hospital. In her spare time, she enjoys spending time with her husband and 2 kids, reading or using her Peloton.

Pamela
Lau
Program Physician, MD, CCFP, DABOM
Sumit Makkar
Sumit Makkar is a family physician who offers comprehensive primary care in Barrie, Ontario. He pursued his Bachelors in Pre-Health at the University of Waterloo before obtaining his Bachelor of Medicine and Bachelor of Surgery degree from Kasturba Medical College, Manipal. He subsequently completed his Family Medicine Residency at the Northern Ontario School of Medicine, Sudbury. Sumit joined the Barrie community in September of 2017 and has since become a Director for the Barrie FHT/FHO, Co-Medical Director of the Barrie and Community Family Medicine Clinics and Medical Examiner for the Medical Council of Canada. His true passion is weight management. Presently he is pursuing a sub-specialty certification with the American Board of Obesity Medicine.

Sumit
Makkar
Program Physician, MD, CCFP
Diljaan Natt
Diljaan Natt is family physician based out of Barrie, Ontario. He is board certified in family medicine through both the American Academy of Family Physicians as well as Canadian College of Family Physicians. In addition to his clinical practice, he has held leadership positions serving as board member for Barrie Family Health Organization as well as Medical Director for the Barrie and Community Family Medicine Clinics. Through his training and practice, he has developed a passion for weight management through healthy lifestyle measures and utilizing up-to-date, evidence-based medical treatments. Diljaan has completed the certificate for Obesity Management from Columbia University and is working towards certification from the American Board of Obesity Medicine.  He believes that "managing your weight encompasses strategies that will improve your overall mental and physical health, allowing you to be the best version of you!"

Diljaan
Natt
Program Physician, MD, CCFP
Nathalie Ranger
Nathalie Ranger is a primary care-trained physician who has focused her clinical practice in obesity medicine, alongside a background in addiction medicine. She completed a Bachelor of Science in Psychology at Western University, and subsequently earned her medical doctorate (MD) at McMaster University. She completed family medicine residency at Queen’s University, followed by an addiction medicine fellowship in the University of Toronto PGY3 Enhanced Skills program. She is certified by the College of Family Physicians of Canada, with a Certificate of Added Competence in Addiction Medicine. She is also certified as an American Board of Obesity Medicine diplomate and has a special interest in providing psychotherapy to support sustained lifestyle change in treatment of obesity and related metabolic conditions. Nathalie is passionate about supporting patients to explore their values and feel empowered to take action in their journeys to finding their best weight. She enjoys living an active lifestyle, connecting with family and friends, and finding the fun and humour in things whenever possible!

Nathalie
Ranger
Program Physician, MD, CCFP (AM), DABOM

Program Dietitians

Nada Abualoon
Nada is a Registered Dietitian, mom, and avid foodie. She specializes in weight management and is passionate about helping people struggling with obesity find a balanced, sustainable, and enjoyable lifestyle to help them reach their best weight. She earned her Bachelor of Nutrition Science degree from McGill University and has a Masters in Public Health from the University of Toronto. Throughout her career, Nada advanced her skills and knowledge in behaviour change counselling to empower her clients to uncover the “why” behind eating and to help them develop the skills needed to engage in behaviours that are in line with their values. Throughout her work at the MWMCC, she hopes to make an impact by shattering the stigmas around obesity and normalizing conversations around obesity treatment options.

Nada
Abualoon
Program Dietitian, BSc, RD, CDE
Lynette Amirault
Lynette is a Dietitian and Certified Bariatric Educator in Nova Scotia. She studied Nutrition at Acadia University and has worked for over 20 years as a clinical dietitian in a regional hospital. During her career she developed an interest in obesity management which led to achieving her CBE designation in 2018, and she has been working with specialty services for obesity patients since then. She is excited by the advancements in research and treatment options that have been developed for obesity, and looks forward to continuing to provide evidence-based care to Canadians living with obesity at MWM.

Lynette
Amirault
Program Dietitian, BScN, RD, CBE
Michelle Barish
Michelle Barish has been practicing dietetics for more than 20 years. She graduated from Toronto Metropolitan University (formerly Ryerson Polytechnic University) where she obtained a Bachelor of Applied Science in Food and Nutrition. Michelle then completed a Graduate Clinical Internship at The Hamilton Health Sciences Corporation. Presently, Michelle counsels clients in a variety of settings, specializing in Weight management, Diabetes and IBD/IBS. She is passionate about all aspects of nutrition. As an experienced and trusted dietitian Michelle takes pride in her ability to work closely and empathically with her clients to ensure that their unique and individual needs are supported. She was the recipient of a Canada wide award from the Organization for Nutrition Education. When she is not working, Michelle loves spinning, cooking, spending time with her family and walking the dog.

Michelle
Barish
Program Dietitian, BASc, RD
Nicole Boyd
After attaining her Bachelor of Science in Nutrition from the University of Moncton, NB, Nicole gained experience working at a rural Community Health Centre for the New Brunswick Provincial Health Authority, doing policy and program development as the Provincial Healthy Eating Consultant for the Government, and lastly, working as the Manager of Population Health for the New Brunswick Provincial Health Authority. Her passion for health and nutrition, helping others, and her love for connecting with people, naturally led her to one-on-one nutrition consulting. Currently, Nicole works in Weight Management and teaches Nutrition at the University of New Brunswick in the Kinesiology Department. She has additional training in Binge Eating Disorder, Mindfulness and extensive experience with Emotional Eating. Nicole has dedicated her 14-year Registered Dietitian career to supporting her clients in transforming their lives and health in a way they can sustain, working with thousands of clients one-on-one to date. She is extremely passionate about providing evidence-based advice and individualized solutions to her clients.

Nicole
Boyd
Program Dietitian, BSc, RD
Evan Huang-Ku
Evan Huang-Ku is a registered dietitian with a Master of Public Health degree. He has helped clients with various chronic diseases and nutritional issues through one-on-one nutrition counselling. Meeting with clients where they’re at, Evan practices client-centred care, operating from a lens of empathy, to support clients in achieving their best weight. Experienced in weight management and diabetes, he has both the certified bariatric educator and certified diabetes educator designations. Evan is proud to be part of the MWM team, leading a new chapter in medical weight management.

Evan
Huang-Ku
Program Dietitian, MPH, RD, CDE, CBE
Rosanna Lee
Rosanna Lee has been a Registered Dietitian (RD) for over 5 years with diverse experiences in weight management and in chronic disease prevention. Her clinical experiences include working in acute care, primary care, rehabilitation, geriatric medicine, and in outpatient care. Her passion includes health promotion, research, and working with media. Rosanna has been featured as a nutrition expert in Costco Connection Magazine (Canada/ US/ Mexico), the Canadian Digestive Health Foundation (CDHF), Global News, and in Huffington Post Canada. She looks forward to helping you on your journey to achieving your best health at the Medical Weight Management Centre of Canada.

Rosanna
Lee
Program Dietitian, MS, MHSc, BS, BASc, RD
Catherine Lin
Catherine is a Registered Dietitian. She obtained her Bachelor of Science in Nutritional Sciences in Dietetics from McGill University in Montreal. She specializes in weight management, obesity, diabetes/pre-diabetes, women’s health, digestive health, chronic disease prevention, and counselling for behaviour change. She is passionate about helping clients ditch dieting to improve their relationship with food and develop sustainable eating habits. Her goal is to empower clients to achieve their best health by providing them with the tools and strategies they need to improve their physical and mental well being. Her counselling style is compassionate and collaborative. She works together with clients to develop a personalized plan that fits their lifestyle and is aligned with their values. She is excited to be part of the MWMCC team, providing evidence based obesity treatment and supporting clients with their health journey.

Catherine
Lin
Program Dietitian, BSc, RD, CDE

Program Administrators

Melanie Comeau
Melanie has been a Medical Administrator for over 15 years, and what she loves the most about this field is the relationships with the patients. She not only loves assisting them with their administrative needs, but also building a rapport them. In her spare time, Melanie enjoys a great book, traveling with her husband and spending time at the family cottage with their furbaby Kia.

Melanie
Comeau
Program Administrator
Sira Diaby
Sira is an administrative agent at MWM, and holds a Bachelor of Science in Health Science. She has worked as a Quality Assurance Coordinator and as an Intake Coordinator, specifically in the setting of workplace health. She is passionate about weight management and believes that everyone deserves access to quality treatment. In her spare time, she enjoys taking walks, travelling, long drives and discovering new things.

Sira
Diaby
Program Administrator, BSc
Nicole Fernandez
Nicole is an administrative agent at MWM and experienced in medical administration. Nicole is an avid outdoors enthusiast and enjoys staying active. You’ll find her wherever there is water, camping, hiking, portaging and boating. She also loves hitting the road on her motorcycle! Nicole finds joy in helping others and is why she enjoys working in the medical support field.

Nicole
Fernandez
Program Administrator

You can discover your best weight.
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