Our dedicated and collaborative team is with you every step of the way
Co-founder and Medical Director of Twig Fertility, Dr. Rhonda Zwingerman is a physician and reproductive endocrinology and infertility (REI) specialist.
She completed medical school at Queen’s University, OBGYN residency at the University of Alberta, and her Masters and REI fellowship at the University of Toronto. She sits on the REI and Genetics Committees of the Society of Obstetricians and Gynaecologists of Canada (SOGC) and is the co-author of the Canadian guideline on preimplantation genetic testing. Her clinical and research interests include pregnancy outcomes after IVF, early pregnancy care of fertility patients, and reproductive genetics.
Having gone through IVF herself, she understands first-hand how difficult it is to need the help of a fertility clinic and to undergo treatment. She is committed to modernizing fertility care through the use of best-in-class technologies and to building a clinic that provides people with comprehensive and compassionate fertility care.
An avid musical theatre buff, Dr. Zwingerman sits on the board of the Musical Stage Company, Canada’s leading and largest non-profit dedicated to musical theatre. When not working or spending time with her family, she’s waiting for everyone to get fully vaccinated so she can safely go to the theatre once again.
Dr. Rhonda Zwingerman
Medical Director, Co-Founder
As the Lab Director at Twig Fertility, Christine brings to the team a diverse and multi-faceted background in fertility and reproductive biology. It is through her passion for evidence-based research and overall exposure to multiple parts of the patient journey, that Christine has meticulously designed our laboratory – incorporating best practices from leading clinics across North America, and intertwining them into workflows that take a holistic view of the entire patient experience.
Her reproductive journey started with a Master’s degree from McGill University where she studied the key factors of embryo implantation. Following her thesis work, Christine entered into the world of fertility as a clinical embryologist and over the course of her career has been part of the teams in three leading fertility clinics in Canada.
Building upon her experiences in embryology, Christine then joined Igenomix, a leading genetic testing service provider specialized in fertility and reproductive health. At Igenomix, Christine set up two laboratory sites and was responsible for overseeing Canadian operations, as well as advising physicians across the US and Canada on genetic services, including endometrial receptivity and microbiome testing.
Christine is a member of the Canadian Fertility and Andrology Society (CFAS), the European Society of Human Reproduction and Embryology (ESHRE) and the Society of Obstetricians and Gynaecologists of Canada (SOGC).
A mother to two young kids and a dog, Zoe, Christine is also a certified yoga instructor and an avid backpacking camper. She is also a PADI certified SCUBA diver and has spent time diving and studying blacktip and ragged tooth sharks, supporting research in Aliwal Shoal, South Africa.
Christine Sykas Yeh
Michelle is a registered nurse with over 12 years experience in obstetrics, gynaecology and fertility, focused on providing the highest level of care and compassion to all patients and their families.
She completed a Bachelor of Science in Nursing at Seneca College/York University Collaborative Program, as well as a certificate in Reproductive Endocrinology and Infertility from the American Society of Reproductive Medicine and is currently earning her Masters of Nursing degree at Athabasca University. Michelle is also a member of the Canadian Fertility and Andrology Society (CFAS).
A mother of twins, Michelle also enjoys hiking, cycling, spending time outdoors, studying and playing with her kids.
With 10 years of experience and a background in brand building, employee engagement and experience design, Caitlin brings a new lens to fertility care in Canada and ensures everything we do at Twig is built with our patient and employees in mind.
Overseeing the end-to-end strategy and delivery of our experience, she combines data, strategy, storytelling, and operations to bring a clear voice of the patient to the table and invest and innovate in the moments that matter most.
She earned her Master’s of International Business from Queen’s University and has spent the last three years working with leading healthcare companies to make care more accessible, understandable and empowering.
An avid traveller and sports enthusiast, when she is not in our clinic she is out exploring the world, playing sports and spending time with her family and furbaby Theodore.
Head of Experience