Medical Staff

Dr. Kimberly Liu

Dr. Kimberly Liu (she/her)

Dr. Kimberly Liu is the Medical Director and an Infertility Physician with Mount Sinai Fertility, and an Associate Professor involved in undergraduate and postgraduate medical teaching with the University of Toronto. She was the Fellowship Director for the Gynaecologic Reproductive Endocrinology and Infertility Fellowship Program at the University of Toronto from 2015-2020.

Dr. Liu takes great pride in providing exceptional patient care. She believes every patient journey is a uniquely collaborative process, with the patient in the driver’s seat and Dr. Liu by their side providing options and professional guidance for the road ahead. Dr. Liu is also interested in law, and uses this knowledge to complement her interests and decision making with regards to ethical and legal problems that arise in fertility.

It’s immensely satisfying to help people stay strong and overcome at a time when they are their most vulnerable.

Dr. Liu’s main areas of interest are improving clinical outcomes in assisted reproductive technologies, and the ethical and legal issues related to reproductive health. During her training and career, Dr. Liu has received a number of research awards, has been published in numerous peer-reviewed medical journals such as Fertility and Sterility, and has presented regularly at highly respected national and international conferences. Dr. Liu is the author of many national guidelines for fertility treatment and feels these standards help ensure patients receive the most evidence-based information and care.

Outside of Mount Sinai Fertility, Kimberly enjoys spending time with her family and stays active on the tennis court. She also enjoys traveling and relaxing with a good book.​

Dr. Kimberly Liu (she/her)

Ellen Greenblatt

Dr. Ellen Greenblatt (she/her)

Dr. Ellen Greenblatt  is a professor in the Department of Obstetrics and Gynaecology with the University of Toronto, and a previous National Director of the Canadian Fertility Andrology Society (2004-2007).

I’m inspired by my patients’ commitment to start a family. It’s honest and pure, and makes me invest myself whole-heartedly to help them achieve their goals.

Today, Dr. Greenblatt continues to lead the way through her focus on translational research, and developing ways to improve access to patients who need fertility treatment.

Dr. Greenblatt is a fellow of the Royal College of Surgeons of Canada (OB-GYN), as well as a fellow of the American Board of Obstetrics and Gynecology (ABOG). Dr. Greenblatt holds the ABOG subspecialty certification in Reproductive Endocrinology and Infertility.

Dr. Greenblatt is a member of the IVF Directors committee of the Canadian Fertility and Andrology Society. She is on the Scientific Advisory Panel for Fertile Future, as well as on the Fertility Preservation Program Committee for both the Hospital for Sick Children as well as the Fertility Advisory to the Princess Margaret Hospital Adolescent and Young Adult (AYA) program.

Outside of Mount Sinai Fertility, Ellen enjoys biking, spending quality time with her family and exploring the world.

Dr. Ellen Greenblatt (she/her)

Miguel Russo

Dr. Miguel Russo (he/him)

Dr. Miguel Russo is a Reproductive Endocrinology and Infertility Specialist with Mount Sinai Fertility as well as an Assistant Professor in the Department of Obstetrics and Gynaecology with the University of Toronto.

Dr. Russo joined the Mount Sinai Fertility (MSF) team after completing a Royal College fellowship in Gynecologic Reproductive Endocrinology and Infertility (GREI) at the University of Toronto. As a firm believer in MSF’s individualized care principles, Dr. Russo is inspired by each patient’s unique background and desire to start a family of their own. His goal is to provide his patients with the information they need to weigh the benefits of each plan and empower them to make well-informed decisions about their care.

I enjoy working with my patients and their support network to create a strong and highly motivated team, all working together towards a common goal!

Dr. Russo’s main clinical and research interests include polycystic ovarian syndrome, preimplantation genetic testing, reproductive surgery, and fertility preservation, including ovarian tissue cryopreservation.

Dr. Russo is a fellow of the Royal College of Physicians and Surgeons of Canada, with dual specialization in Obstetrics and Gynaecology (OB/GYN) and Gynecological Reproductive Endocrinology and Infertility (GREI). He is also an active member of the Canadian Fertility and Andrology Society (CFAS) and the American Society of Reproductive Medicine (ASRM).

Outside of Mount Sinai Fertility, Miguel enjoys playing basketball and soccer as a way to relax, reboot and regenerate his body and mind.

Dr. Miguel Russo (he/him)

Claire Jones

Dr. Claire Jones (she/her)

Dr. Claire Jones is a Reproductive Endocrinology and Infertility Specialist with Mount Sinai Fertility and an Assistant Professor in the Department of Obstetrics and Gynaecology with the University of Toronto.

Dr. Jones’ approach to patient care is to listen and understand any concerns and find out what patients value most in their fertility journey. As a fertility specialist, Dr. Jones thrives working in an area of medicine that is rapidly evolving with new treatment options being developed all the time. She is proud to lead multiple research projects focused on the improvement of patient care and has received multiple research grants through the Department of Obstetrics and Gynaecology at Mount Sinai Hospital and the University of Toronto to develop this work. Dr. Jones has worked with Choosing Wisely Canada to create a list of the top 5 things that fertility doctors should do to help ensure fertility patients are not offered options that can lead to unnecessary cost and potential harm without improving the chance of achieving a pregnancy. She loves teaching medical students, residents and fellows and has particularly enjoyed developing a new leadership curriculum for residents in Obstetrics and Gynaecology at the University of Toronto. Her biggest professional highlights include winning an award for Excellence in Postgraduate Development and Innovation from the Department of Obstetrics and Gynaecology at the University of Toronto, seeing her student win a “Best Psychosocial Paper” award at the annual Canadian Fertility and Andrology Society meeting, and happy visits from former patients with their healthy children.

I love being able to help people achieve their dream of having children.

Dr. Claire Jones (she/her)

Dr. Heather Shapiro (she/her)

Dr. Heather Shapiro is a member of Mount Sinai Fertility, an Associate Professor, and the former Vice-Chair of Education in the Department of Obstetrics and Gynecology at the University of Toronto. Dr. Shapiro is also cross-appointed to the Institute for Health Policy Management and Evaluation, the Department of Laboratory Medicine and Pathobiology, and a former member of the Executive Committee of Faculty Council in the Faculty of Medicine.

Dr. Shapiro’s personalized approach to patient care has set the standard under which Mount Sinai operates today; an approach the clinic is known for in professional fertility treatment circles around the world.

There’s nothing more rewarding than helping people who want to have a family.

Dr. Shapiro’s current clinical and research areas include improving access to care and developing laboratory standards.

Dr. Shapiro is a past President and ex-officio board member of the Canadian Fertility and Andrology Society and currently sits on the committee responsible for determining clinical practice guidelines. Dr. Shapiro is very proud to have been a founder of the first Masters in Health Science degree program for embryology in Canada. This will ensure high standards are practiced throughout the country.

Dr. Heather Shapiro (she/her)

Dr. Vanessa Bacal, (she/her)

Dr. Vanessa Bacal is a Reproductive Endocrinology and Infertility (REI) Specialist with Mount Sinai Fertility and Assistant Professor in the Department of Obstetrics and Gynaecology at the University of Toronto.  She completed her medical training at McGill University, Obstetrics and Gynaecology residency and Masters of Science in Epidemiology at the University of Ottawa, and REI fellowship at the University of Toronto.

I listen carefully to patients and help direct their decision-making in a comforting atmosphere. Patient empowerment is critical to my approach to the fertility journey.

She is committed to delivering compassionate and high-quality care using evidence-based medicine.

Dr. Bacal’s main clinical and research interests include the management of early pregnancy loss and recurrent pregnancy loss, evaluating reproductive outcomes after fertility treatments, and improving data quality.

Dr. Vanessa Bacal, (she/her)

Dr Nigel Pereira, (he/him)

Dr. Nigel Pereira is a Clinician-Investigator and Associate Professor of Obstetrics and Gynaecology at Mount Sinai Fertility/University of Toronto, Canada. He is a Diplomate of the American Board of Obstetrics & Gynaecology (ABOG) and holds ABOG sub-specialty certification in Reproductive Endocrinology and Infertility. He also holds additional qualifications in andrology and embryology from the American Association of Bioanalysts.


Dr. Pereira is a highly sought-after clinician and reproductive surgeon with expertise in individualized infertility treatment, including IVF, IUI and ovulation induction, as well as egg (oocyte) and embryo freezing. His additional areas of clinical practice include PCOS, irregular menstrual cycles, fertility preservation, reproductive surgery, recurrent pregnancy loss, and fertilization issues due to oocyte or sperm dysfunction. Prior to relocating to Canada, Dr. Pereira was consistently featured as one of the top-rated fertility specialists in the U.S. based on patient testimonials and has also been included on the list of New York’s Super Doctors and Rising Stars list since 2019. Dr. Pereira is passionate about reproductive education and access to fertility treatments. He is multi-lingual (English, Hindi, Urdu, Konkani and medical Arabic).

My practice philosophy is to optimize natural fertility and conception. I will strive to provide you with the highest level of individualized care to accomplish your fertility goals.

He is a prolific clinical researcher having published over 105 research papers in leading scientific journals. His research interests mirror his clinical interests and include IVF outcomes, reproductive surgery, fertility preservation, oocyte freezing and the long-term health of IVF children.

Dr Nigel Pereira, (he/him)

Dr. Jennia Michaeli, (she/her)

Dr. Jennia Michaeli is a Clinician-Investigator and Assistant Professor at the Department of Obstetrics and Gynecology at the University of Toronto. She received her medical degree from the Hebrew University of Jerusalem and completed her residency in Obstetrics and gynaecology at Shaare Zedek Medical Center in Jerusalem, followed by a clinical fellowship in Reproductive Endocrinology and Infertility at the University of Toronto.

I am honoured to empower my patients with cutting-edge technologies, paving the way for them to achieve their reproductive autonomy and fulfil their dreams of building a family.

Dr. Michaeli is highly dedicated to her patients, aiming to improve patient care and well-being through a personalized and compassionate approach. She advocates and actively promotes projects to improve the care of vulnerable populations as patients requiring fertility preservation for urgent indications. In addition to her clinical activities, she conducts clinical and basic science research, published in peer-reviewed journals, and presented her work in oral and poster sessions at various international conferences. She takes a particular interest in fertility preservation and reproductive ageing, focusing on novel biomarkers of reproductive fitness and oocyte and sperm quality.

 Outside her clinical practice, she enjoys nature and wall-climbing, always looking for a new adventure. ​

Dr. Jennia Michaeli, (she/her)

Nurse Practitioner

Nicola Farnell

Nicola Farnell (she/her)

Nurse Practitioner RN(EC), CDE

Nicola Farnell is a Nurse Practitioner with Mount Sinai Fertility, who specializes in Oncofertility and Fertility Preservation. She has always had an interest in the field of reproductive endocrinology and infertility and is passionate about working with individuals on their fertility journey.

It is such an honour to be part of this momentous and exciting milestone in someone's life.

Nicola completed a Bachelor of Science in Nursing (Honours) at University of Toronto, followed by a Master of Nursing and Acute Care Nurse Practitioner Certification. She is an Adjunct Lecturer at University of Toronto Bloomberg Faculty of Nursing. A lover of lifelong learning, who strives to provide wholistic care to her patients, Nicola recently received the designation of a CIINDE-Certified Holistic Nurse Coach (CCHNC).

In addition to listening to, supporting, and validating her patients, she ensures that they are counseled and educated to make the best decisions for themselves and their loved ones.

The most rewarding part of my work at Mount Sinai Fertility is instilling hope and possibility in the face of adversity and a difficult diagnosis, such as cancer.

Outside of Mount Sinai Fertility, Nicola enjoys spending time in nature, perfecting her golf swing and tennis skills and seeking out new, unique adventures to embark on.

Nicola Farnell (she/her)

Rebecca Keller (she/Her)

Rebecca Keller is a Nurse Practitioner with Mount Sinai Fertility, who specializes in early pregnancy care.

Rebecca completed her Bachelor of Science with Honours with a specialization in Life Sciences from Queen’s University. She then completed her Bachelor of Science in Nursing (Honours) at University of Toronto followed by a Master of Nursing (Nurse Practitioner) in the Primary Health Care – Global Health Emphasis. She is a member of the Canadian Fertility and Andrology Society.

Rebecca has years of experience in the field of Reproductive Endocrinology and Infertility and is highly committed to educating, supporting, and empowering patients as they navigate their care. She is particularly interested in the emotional toll that infertility can have on patients and has previously facilitated several Peer Support Groups to enhance coping and stress management during fertility treatment

I am honoured to do the work I do every day and travel on this journey with our patients.

Outside of Mount Sinai Fertility, Rebecca enjoys spending time with her family and staying active outdoors including hiking and skiing.

Rebecca Keller (she/Her)

Genetic Counsellors

Tami Uster (she/her)

Tami Uster is a Canadian and American Board Certified Genetic Counsellor with Mount Sinai Hospital’s Prenatal Diagnosis and Medical Genetics Program and Mount Sinai Fertility. Tami graduated from the Genetic Counselling graduate program at Wayne State University in 2005 and specializes in prenatal diagnosis and infertility.

Tami Uster (she/her)

Social Worker
Jodi Headshot

Jodi Goldstein (she/her)

Jodi began her Social Work career in 1998 after completing her Masters of Social Work Degree from the University of Toronto. Her personal struggle to conceive inspired her to support others in this frequently complex journey. Since 2006 her primary focus has been on infertility. Her clients include working with people who are coping with the often intense emotions resulting from trying to have a baby. Jodi provides support and conducts implications counselling sessions for donor recipients, gamete donors, and carriers involved in third-party fertility treatments.

I understand the stress, fears, and barriers many people face on a personal and professional level in their journey to have a child.

This understanding informs Jodi’s practice and helps to ensure that her clients feel heard, understood, and better able to navigate what can be a very challenging time in their lives.

In 2010, Jodi obtained a certificate in Infertility Counselling, offered by Tape Studies. She is a member in good standing of the Ontario College of Social Workers and Social Service Workers (OCSWSSW), the Ontario Association of Social Workers (OASW), and the Counselling Special Interest Group (CSIG) of the Canadian Fertility and Andrology Society (CFAS).

Jodi Goldstein (she/her)

Clinical Education
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The Clinical Education team develops, implements and delivers strategies to support the educational needs of nurses and the multi-professional MSF staff and students to ensure best practice and evidence based care at all times.

Fellows, Learners and Students

Mount Sinai Fertility is well known for its exceptional Fellowship program in Gynecologic Reproductive Endocrinology and Infertility (GREI). During your journey, you will likely meet a few of our fellows. Fellows are fully trained and certified in Obstetrics and Gynecology. Our fellows spend time in clinics, performing procedures and conducting research while under the guidance of our medical staff. Mount Sinai Fertility hosts resident physicians, nursing and medical students and other learners as a teaching facility and in partnership with the University of Toronto.

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Clinical Research
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Mount Sinai Fertility, part of Sinai Health, is an academic centre associated with the renowned Lunenfeld-Tanenbaum Research Institute and University of Toronto.

All MSF Physicians and fellows are actively involved in carefully designing and conducting multiple research projects in various areas of fertility to provide the best care for our patients.

Research allows our team to better comprehend the ever evolving field of fertility and provides evidence where we base our decisions in providing evidence-informed care and treatment for our patients.

We conduct research studies to improve patient care and education, to provide better access to fertility care, and to enhance our knowledge to better care for patients. Our ultimate goal is to better the outcome of patients through increase in pregnancy and live birth rates and healthy babies.

Nursing Team

Our nursing team is here to support you through your journey at Mount Sinai Fertility. Behind the scenes, they set up your chart, review your treatment protocol, and ensure that they focus on your care from your first visit onwards. You will see their friendly faces in person or during virtual consultations and when you come in for procedures.

Nursing Team
Administrative/ Reception Team
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The friendly faces you see when you enter the clinic are here to help you with any questions you may have. Behind the scenes they enter your phone and email messages, send out invoices, handle referrals and incoming results. Our administration and reception teams keeps the clinics running smoothly.

Embryology & Andrology Team (Laboratory Team)

The laboratory is an environment with an incredible amount of human intervention involved. Embryologists (responsible for eggs) and andrologists (responsible for sperm)have an enormous amount of responsibility. They play a significant role in the fertility journey.

The laboratory team can be responsible for freezing your sperm or eggs, thawing them, selecting the right sperm, inseminating the eggs using ICSI, growing your embryos, biopsying them for PGS or PGD, freezing and thawing those embryos, and preparing them for transfer.

Environmental Service Team
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Our Environmental Services team is committed to providing an environment that enables the delivery of high-quality, safe and compassionate care. The team ensures the maintenance of the clinic is to the highest standards.

Patient Liaison Team

Patient liaisons coordinate communication between patients and the healthcare professionals providing their care. They often perform support tasks such as helping answer your questions, setting you up on the patient portal, helping you find information or relaying your question to another health care team member.

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Pharmacy Team

For our fertility patients, the onsite pharmacy and pharmacy team is a valuable resource. The medication regimens can be complicated and require a thorough understanding of fertility medications. The MSF Pharmacy team can answer questions regarding medication administration and all your fertility medication needs can be fulfilled at Mount Sinai Fertility.

Medical Laboratory Technician (Phlebotomy)

The phlebotomy team draws blood from patients who are undergoing investigations or treatment for infertility. They also help receive various patient samples from internal clinic staff for testing.

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Quality Improvement Team
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The Quality Improvement team consistently looks for better ways to provide safe patient care and services. They harness the knowledge, skills, expertise and perspective of team members and patients as well as the latest research and innovation to continuously improve.​


Ultrasound services are available at all of our locations. Our sonography team perform ultrasounds for diagnostic tests, cycle monitoring and procedures.