Our Medical Team
Our in-house medical team is the largest in Canada, providing distinct advantages to our patients, including timely access to a second opinion as well as to expertise in a variety of subspecialties within the field of fertility medicine. With ten fertility doctors and their teams under one roof, as well as a network of affiliated clinics across Ontario, we have the knowledge, the skills and the experience to treat infertility and it shows in our record of success.
Please continue reading for more detailed information about our medical team.
Dr. Kaajal Abrol MD, FRCSC, REI
Reproductive Endocrinology & Infertility Specialist (REI)
Dr. Kaajal Abrol graduated from the Faculty of Medicine at McMaster University in Hamilton, Ontario, and completed her residency in Obstetrics and Gynecology at the University of Toronto. In 2010, she became a Fellow of the Royal College of Physicians and Surgeons of Canada in Obstetrics and Gynecology; and in 2012, she completed a Fellowship in Gynecologic Reproductive Endocrinology and Infertility (REI) at the University of Toronto.
Throughout her training, Dr. Abrol received many distinctions, honours, scholarships and awards of excellence. She has authored and co-authored a range of scientific posters, research papers, and presentations on a range of topics related to the treatment of infertility. Her current clinical and research interests include polycystic ovarian syndrome (PCOS), fertility preservation for oncology patients, and improving clinical outcomes through assisted reproductive techniques such as in vitro fertilization and frozen embryo transfer.
Dr. Abrol is currently a member of the Royal College of Physicians and Surgeons of Canada (RCPSC), the Canadian Fertility and Andrology Society (CFAS), the American Society for Reproductive Medicine (ASRM), and the Society of Obstetricians and Gynecologists of Canada (SOGC) among others. Dr. Abrol is also on the Board of Directors of Fertile Future, a Canadian charity organization dedicated to providing education and assistance to young cancer patients seeking fertility preservation therapies.
Scientific Director and Founding Partner
A Reproductive Endocrinologist and Infertility Specialist for more than 30 years, Dr. Robert Casper received his medical degree at the University of Western Ontario in 1973, and his Fellowship in Obstetrics and Gynecology from the Royal College of Surgeons of Canada in 1977. Subsequently, he was awarded a Medical Research Council of Canada Fellowship for training in Reproductive Endocrinology and Infertility at the University of California in San Diego under the director of Dr. Sam Yen, and was certified as a Diplomate of the American Board of Obstetrics and Gynecology in Reproductive Endocrinology in 1982.
Dr. Casper is founder the Toronto Centre for Advanced Reproductive Technology (TCART), and is Founding Partner and Scientific Director of TRIO Fertility. He is a Professor in the Division of Reproductive Endocrinology and Infertility (REI) in the Department of Obstetrics and Gynecology at the University of Toronto, and holds cross appointments in the Departments of Physiology, Medicine (Division of Endocrinology) and The Institute of Medical Sciences. Dr. Casper is also the Camille Dan Family Research Chair in Translational Cell Biology and a Senior Investigator in the Samuel Lunenfeld Research Institute at Mount Sinai Hospital. He also founded and is Medical Director of the Insception LifeBank Cord Blood Programme.
Since 1980, Dr. Casper's research activities have been continuously funded by the MRC/CIHR. He was awarded an MRC scholarship in 1982, and in 1997 received a joint CIHR/INSERM Visiting Scientist award during a sabbatical in the laboratory of Professor Edwin Milgrom in Paris. Dr. Casper has authored over 300 papers (Google Scholar cited 18,094 times , h-index 74). His areas of research include mitochondria in reproductive aging, endometriosis and endometrial receptivity.
Dr. Casper is Past President of the Canadian Fertility and Andrology Society (CFAS). He is an Editorial Editor of Fertility and Sterility, a section editor for Reproductive BioMedicine Online, and is on the editorial boards of several other journals in the field of Obstetrics and Gynecology, and Reproduction. Dr. Casper is an honorary member of the Middle East Fertility Society and was awarded the Health Silver Medal of the Ministry of Health, Republic of Lebanon, in 2001. In 2004 he was the recipient of the CFAS Award of Excellence for Lifetime Research Achievement. In 2012 Dr. Casper received the "Excellence in Research Award" from APOG (Association of Academic Professionals in Obstetrics and Gynecology of Canada).
Medical Director and Founding Partner
Dr. Ken Cadesky, a Reproductive Gynecologist for over 25 years, completed his Fellowship training in Obstetrics and Gynecology at the University of Toronto and the University of British Columbia, and subsequently completed a Fellowship in Prenatal Genetics and Reproductive Endocrinology at the University of British Columbia and the University of Maryland School of Medicine in Baltimore.
Dr. Cadesky is a founding partner of S.T.A.R.T. (Success Through Assisted Reproductive Technologies), LifeQuest Centre for Reproductive Medicine, and Founding Partner and Medical Director of TRIO Fertility.
In addition to his practice at TRIO, Dr. Cadesky is an Assistant Professor in the Department of Obstetrics and Gynecology and member of the Division of Reproductive Endocrinology and Infertility (REI) at the University of Toronto.
Dr. Cadesky also holds the position of Staff Physician at Mount Sinai Hospital and the University Health Network, and he is certified in both abdominal laser surgery and abdominal/pelvic ultrasound.
Dr. Cadesky is currently a member of the IVF Directors section and the Board of Directors of the Canadian Fertility and Andrology Society (CFAS). He is also Vice Chairman of the REI division of the Ontario Medical Association.
His current research interests include studies in embryo implantation, improvement in low ovarian responder protocols and Pre-implantation Genetic Screening (PGS) of embryos. He is co-author of numerous peer-reviewed research papers on a range of topics in the field of Reproductive Medicine.
Reproductive Endocrinology & Infertility Specialist (REI)
Dr. Paul Chang graduated from the Faculty of Medicine at the University of Toronto, and completed his residency in Obstetrics and Gynecology at the University of Western Ontario. In 2008, he completed a Royal College Fellowship in Gynecologic Reproductive Endocrinology and Infertility (and Minimally Invasive Surgery) at the University of Western Ontario.
During his training, Dr. Chang received several honours, including the best of four research papers at the SOGC Annual Meeting in 2005. In addition, Dr. Chang has presented his research at national medical meetings and has authored a range of articles for peer-reviewed publication on topics such as endometriosis, endometrial ablation, onco-fertility preservation, and nutritional supplements for fertility promotion.
Dr. Chang was an editor for the Asia Pacific Association of Gynecologic Endoscopists, and is a lecturer at the University of Toronto. His current clinical interests include Polycystic Ovarian Syndrome and Medical Management of Endometriosis.
In addition to providing excellent care based on scientific evidence, honesty, compassion, and an individual's circumstance, Dr. Chang enjoys meeting and teaching future medical professionals. Dr. Chang speaks fluent Mandarin Chinese.
After graduating from the Faculty of Medicine at the University of Alberta, Dr. Gunn completed her residency in Obstetrics and Gynecology and became a Fellow of the Royal College of Physicians and Surgeons of Canada. She then completed a Fellowship in the area of Gynecologic Reproductive Endocrinology and Infertility (REI) at the University of Toronto.
She has made numerous academic presentations on a range of topics relating to the treatment of infertility, and has taught students and residents at the University of Toronto in the areas of obstetrics and gynecology and infertility. Dr. Gunn frequently attends and has presented at both national and international medical conferences.
Her current clinical and research interests include: women’s health, improving clinical outcomes in assisted reproductive technologies, Celiac Disease and Infertility, and ovulation induction in patients with Polycystic Ovarian Syndrome (PCOS). Dr. Gunn has co-authored a range of articles in a number of medical journals.
Dr. Gunn is currently a member of the Alpha Omega Alpha Honor Medical Society, American Institute of Ultrasound in Medicine, the American Society of Reproductive Medicine (ASRM), the Canadian Fertility and Andrology Society (CFAS), Society of Obstetricians and Gynecologists of Canada (SOGC), The Ontario Medical Association, and the Canadian Medical Association.
Managing and Founding Partner
Dr. Carl Laskin is an internationally recognized expert in the specialized field of Reproductive Immunology and Autoimmune Diseases in Pregnancy. He is well known for his clinical and research activities in the field of fertility medicine and recurrent pregnancy loss, as well as pregnancy in women with autoimmune diseases such as systemic lupus erythematosus. In 1985, he established the Treatment and Evaluation of Recurrent Miscarriage (TERM) Programme, that quickly became Canada’s largest program devoted to the study and treatment of ‘unexplained’ recurrent miscarriage. Today, along with Dr. Sony Sierra, Dr. Laskin runs the expanded Recurrent Pregnancy Loss program at TRIO. This program continues to be the largest program in Canada focused on the investigation and management of recurrent pregnancy loss. Dr. Laskin is also Managing and Founding Partner of TRIO Fertility.
Dr. Carl Laskin obtained his MD from McMaster University in 1975 and completed his training in internal medicine and rheumatology in 1980 at the University of Toronto. From 1980-83, he was a Visiting Fellow in Immunology at the National Institutes of Health in Bethesda, Maryland. Since 1983, he has been an Associate Professor at the University of Toronto in the Division of Rheumatology in the Department of Medicine, with a cross-appointment to the Department of Obstetrics and Gynecology (REI). He is a Founding Partner of LifeQuest Centre for Reproductive Medicine, and TRIO Fertility, as well as the founding Director of the Obstetric Medicine Program, Department of Medicine, University of Toronto.
Dr. Laskin has been invited to present the results of his research on the role of the immune system in recurrent pregnancy loss at numerous international medical conferences in North America and Europe. His research has been published in the New England Journal of Medicine, as well as many other peer-reviewed publications.
Dr. Laskin is a Past President of the Canadian Fertility and Andrology Society (CFAS). He remains actively involved in this organization, and is currently on the Government Relations Committee.
Reproductive Endocrinology & Infertility Specialist
Dr. Mahesan is a graduate of Cornell University and the University of Toronto Faculty of Medicine. He completed his training in Obstetrics and Gynecology at Cedars-Sinai Medical Center in Los Angeles and St. John Hospital and Medical Center in Detroit, where he received grant funding for his research in adipose tissue endocrinology. He then completed his Fellowship in Reproductive Endocrinology and Infertility (REI) at the prestigious Jones Institute for Reproductive Medicine in Norfolk, Virginia, the first IVF clinic in the United States.
He is a Fellow of the Royal College of Surgeons of Canada, a Fellow of the American College of Obstetricians and Gynecologists, a member of the Canadian Fertility and Andrology Society, and a member of the American Society for Reproductive Medicine. He has served as an expert reviewer for leading fertility publications, has published his research in leading peer-reviewed journals, and regularly presents at national and international meetings and conferences.
Dr. Mahesan’s creative work at the intersection of mind-body health and mobile technology allows him to bring a holistic and a cutting-edge perspective to his patients. His focus is on supporting each patient’s unique path through their fertility journey with a clear and compassionate approach to achieve the best outcomes possible.
Dr. Chaula Mehta has over 18 years of medical experience, including a sound expertise in obstetrics and gynecology with a specialization in reproductive endocrinology and infertility.
Dr. Mehta will care for TRIO patients at our North York location.
Following her medical school and specialty certification in India, Dr. Mehta pursued progressive medical training with a fellowship in High Risk Obstetrics at Mount Sinai Hospital in 2011, and then went on to complete a postgraduate degree in Obstetrics and Gynecology at the University of Toronto. She became a Fellow of the Royal College of Surgeons, Canada in 2016, and then completed a two-year Fellowship in Reproductive Sciences, Endocrinology, and Infertility at TRIO under the supervision of Dr. Bob Casper.
During her medical school training, she was the recipient of various academic awards and honors. She has been involved in various clinical research projects, poster presentations at national and international conferences and has co-authored in international and peer reviewed journals. Being a practicing member of the Ontario medical community, Dr. Mehta has taught obstetrics and gynecology preparatory courses and mentored international medical graduates with certification through Medical Council of Canada.
Dr. Mehta is a member of the Royal College of Physicians and Surgeons of Canada (RCPSC), American Society of Reproductive Medicine (ASRM), Society of Obstetricians and Gynecologists of Canada (SOGC), Canadian Fertility and Andrology Society (CFAS), Ontario Medical Association as well as the Canadian Medical Association.
The focus and scope of her practice includes menstrual disorders, recurrent pregnancy loss, infertility, endocrinological gynecologic disorders and LGBTQ+ family building. She is also fluent in Gujarati, Hindi, Urdu and Marathi languages.
Director, Embryology Laboratory
Jim Meriano's international reputation as an outstanding embryologist is based on his achievements over the past 25 years in the field. He established both the Pre-Implantation Genetic Diagnosis (PGD) and the Egg Freezing (Vitrification) programs at LifeQuest Centre for Reproductive Medicine, and continues to manage and expand these programs, as well as all other embryology laboratory activities, at TRIO Fertility. Jim is a recipient of the LIFE Award (Laboratory Innovation for Embryology), a national award recognizing excellence in the field of Embryology, and has published numerous articles in Canadian and International peer-reviewed medical and scientific journals. Jim is Past Chair for the CFAS Special Interest Group for Assisted Reproductive Technologies, a member of the CFAS Committee to form standards for Embryology Certification in Canada, and a member of the Committee for the Canadian Embryo Summit. He is also a member of ALPHA Scientists in Reproductive Medicine and the ASRM.
Dr. Judith Perry received her medical degree from the University of Ottawa in 1991 and completed her internship in Winnipeg. In 1992, she accepted a position as a Clinical Associate in Medical Oncology at Toronto’s Princess Margaret Hospital, where she worked until 1997. Shortly thereafter, she entered the field of Family Practise medicine and developed her expertise as a skilled family physician.
In 2006, she developed a special interest in the area of fertility medicine, and since then has focused her clinical practice in this field. Dr. Perry joined the TRIO Medical Team as a family physician with special expertise in infertility and works closely with all of TRIO’s Reproductive Endocrinologists to provide patients with a range of medical services that include initial fertility testing and assessments, Cycle Monitoring, and Intrauterine Inseminations. Dr. Perry’s current clinical interests include working with members of the LBGTQ community, as well as people intending to be single parents and the egg preservation program.
Dr. Phillips earned her B.Sc. Honours in Life Sciences from Queen’s University, followed by her medical degree from the University of Toronto. She completed her residency training in Obstetrics and Gynecology at the University of British Columbia, followed by a fellowship in Gynecologic Reproductive Endocrinology and Infertility (REI) at McMaster University.
During her fellowship, Dr. Phillips was actively involved in educating medical students and residents in Gynecologic Reproductive Endocrinology and Infertility. She gave several invited talks on oncofertility preservation to departments within the Hamilton Health Sciences, where she also worked as a locum gynecologist.
She is a Fellow of the Royal College of Physicians and Surgeons of Canada in Obstetrics and Gynecology, as well as an active member of the Canadian Fertility and Andrology Society and the American Society for Reproductive Medicine. She has several research publications in peer reviewed medical journals and has presented at national and international medical conferences.
Dr. Phillips’ practice includes all areas of reproductive medicine, with a particular interest in the role of diet and lifestyle on health and fertility, fertility options for single persons and fertility preservation.
She cares deeply about her patients’ fertility journeys and strives to understand each patient/couple’s unique perspective in developing an individualized and comprehensive treatment approach.
Dr. Ruth Ronn is a graduate of McGill Medical School and completed her Obstetrics & Gynaecology residency at Queen's University. Shortly after receiving her degree, she accepted a position at Shaare Zedek Medical Center in Israel, where she trained under world leaders in infertility. In 2018, Dr. Ronn returned to Toronto to undertake her formal Gynaecologic Reproductive Endocrinology & Infertility (REI) Fellowship training at Mount Sinai Hospital, University of Toronto.
Dr. Ronn has engaged in a variety of research interests, particularly in the areas of fertility preservation and disparities in fertility care. She has published her work in peer reviewed medical journals, has presented at conferences nationally and internationally, and has contributed to the Canadian guidelines on fertility preservation. She has won numerous scholarships and awards, and has been the recipient of significant research grants.
In addition to her daily practise as an infertility specialist, she is completing a Masters in Public Health at Johns Hopkins University. Dr. Ronn believes that greater attention must be afforded to the provision of reproductive care in public health; she is interested in helping craft policies that provide greater access for patients with infertility, as well as further developing fertility options for people with diverse sexual orientations and gender identities.
Dr. Ronn maintains a broad, inclusive practice in reproductive medicine. She is committed to personalized and compassionate care, and to helping realize every person’s vision for parenthood.
Dr. Ronn is a Fellow of the Royal College of Surgeons of Canada, as well as a member of the Canadian Fertility and Andrology Society, the American Society for Reproductive Medicine, and the Society of Obstetricians and Gynaecologists of Canada. She is board certified in both Canada and Israel. She is fluent in English, French, and Hebrew.
Deputy Medical Director and Partner
Dr. Sony Sierra has been a Reproductive Endocrinologist and Infertility Specialist and a specialist in recurrent miscarriage since 2006. In addition to her fertility practice at TRIO, Dr. Sierra and Dr. Carl Laskin run the Recurrent Pregnancy Loss program at TRIO. This program continues to be the largest program in Canada focused on the investigation and management of recurrent pregnancy loss.
Dr. Sierra is also an Associate Physician at Women’s College Hospital where she specializes in Polycystic Ovarian Syndrome, and an Assistant Professor of Obstetrics and Gynecology in the Division of Reproductive Endocrinology and Infertility at the University of Toronto.
She has published widely in peer-reviewed journals, and authored chapters in prestigious textbooks, as well as presented papers at national and international conferences. Her current research interests include infertility, recurrent pregnancy loss and implantation failure, and PCOS (polycystic ovary syndrome.)
Dr. Sierra is active in the Canadian Fertility and Andrology Society (CFAS) where she is the Ontario representative, as well as a member of the Guidelines for Practice Committee. In addition, Dr. Sierra is a board member and co-chair of the REI subspecialty committee of the Society of Obstetricians and Gynecologists of Toronto. She is an active member of the American Society for Reproductive Medicine (ARSM), including her new role as Chair Elect for the ASRM-SIG group; she is also a member of the European Society of Human Reproduction and Embryology. Dr. Sierra believes that involvement and participation in these established and well-respected societies will ensure expertise and up to date knowledge that she can pass on to her patients.
Dr. Sierra is committed to providing excellence in the management of infertility and miscarriage with a gentle, and culturally compassionate approach.
Certified Physician Assistant
TRIO is pleased to welcome Nathalie Barda, HBSc, BHSc (PA) to TRIO’s medical team in the new position of Certified Physician Assistant. While Physician Assistants are common in healthcare settings in the United States, they are relatively new here in Canada. In addition to the REI’s and the nursing team, the Certified Physician Assistant is an integral member of the medical team, working under the supervision of the physicians.
As a Canadian Certified Physician Assistant, Nathalie is a highly trained health care professional. She received this specialized degree from McMaster University in 2010. This program is affiliated with McMaster University’s medical school. Nathalie has experience working with physicians in an impressive range of healthcare settings including: Family Medicine, Movement Disorders/Neurology, Internal Medicine, General Surgery, Pediatrics, Psychiatry and Emergency Medicine.
Nathalie will conduct patient consults and physical exams, perform IUIs and biopsies, review pregnancy ultrasounds and conduct follow up with patients on medical issues, and be available to answer questions by email or phone. At the moment, Nathalie will be focusing on performing IUI’s, as well as working closely with Dr. Sierra and patients in TRIO’s RPL program.