Top 10 Canadian Hematologists to Follow on Twitter

Written By The Rounds

The views and opinions of those physicians featured in this article do not necessarily reflect the official position of The Rounds. Any physician or HCP featured on our website has an active voice in the Twitter Medical Community. If you have any questions or concerns please contact

Although Canadian Hematologists are a niche group on #MedTwitter, they make up for their small size with the insights and opinions they offer in the healthcare space. When deciding the specialty we wanted to highlight next in our “Top 10” series, it was a no-brainer that each of these physicians deserved a moment to be recognized for their unique contributions on Twitter.

Dr. Menaka Pai (@MPaiMD)

As an Associate Professor of Hematology and Thromboembolism at McMaster University, Dr. Menaka is focused on bleeding, clotting, TM, QI, methodology and guidelines. She is always willing to give her opinion on issues and current events and this is something that her followers appreciate from her. As a vocal physician during the COVID-19 pandemic, it is clear that she does not shy away from addressing the issues present on #MedTwitter.

Click her profile to follow ⬅️

Dr. Yulia Lin (@dryulialin)

As the Division Head of Transfusion Medicine & Tissue Bank at Sunnybrook Health Sciences Centre and an Associate Professor in the Department of Laboratory Medicine and Pathobiology at the University of Toronto, Dr. Yulia definitely has a lot on her plate. On top of that, she also keeps her 1,500 followers up to date with the latest news related to Hematology, transfusion quality improvement and patient blood management!

Click her profile to follow ⬅️

Dr. Jeannie Callum (@JeannieCallum)

Dr. Jeannie is a Transfusion Specialist fascinated by transfusion for the hemorrhagic patient and the errors in the transfusion process. She is a Hematologist and Director of Transfusion Medicine & Tissue Banks at the Sunnybrook Health Sciences Centre and an Associate Professor in the Department of Laboratory Medicine and Pathobiology at the University of Toronto. Join her existing 1,600 followers to keep up-to-date with her tweets and retweets!

Click her profile to follow ⬅️

Dr. Michelle Sholzberg (@sholzberg)

Dr. Michelle is a Clinical Hematologist with a focus on bleeding and is the Medical Director of the Coagulation Laboratory at St. Michael’s Hospital in Toronto. She also considers herself to be a “bleeding and clotting enthusiast” as featured in her bio. A quick scroll through her profile features many uplifting comments and retweets that she sees as important in the Canadian med space. Lately, you will see that her focus has been on COVID-19 and the increasing number of cases in Ontario. 

Click her profile to follow ⬅️

Dr. Eric Tseng (@tsengeric)

Being a General Hematologist at St. Michael’s Hospital with a focus on thrombosis medicine is not enough to keep Dr. Eric busy! He is also the Editor-in-Chief of Blood and Clots, a series featured on CanadiEM. This series of online educational resources focuses on some of the most difficult dilemmas faced in medicine today: how to manage patients who are bleeding, clotting, or both. He is definitely one to follow in the Hematology space.

Click his profile to follow ⬅️

Dr. Madeleine Verhovsek (@MVerhovsek)

Dr. Madeleine is a Hematologist and Associate Professor in the Division of Hematology and Thromboembolism at McMaster University in Ontario. Aside from that, she is also an advocate for social justice, antiracism, safe streets, health and social policy. She effectively uses her platform on Twitter to highlight the issues facing healthcare and ensures that her followers see her as an ally when it comes to supporting patients and fellow Canadians. Give her a follow!

Click her profile to follow ⬅️

Dr. Jacob Pendergrast (@apothecaryman)

Dr. Jacob’s profile as you could expect is filled with tweets about transfusion medicine and clinical hematology. He also spends his time as a member of the University of Toronto Quality in Utilization, Education and Safety in Transfusion (UofT QUEST) research program. He is a part of a dynamic group of researchers recognized for setting and changing transfusion practice. Follow him for the latest opinions on Canadian healthcare.

Click his profile to follow ⬅️

Dr. Sumedha Arya (@sumedha_arya)

Currently, Dr. Sumedha is a Hematology fellow at the University of Toronto. As her bio states, she is an immigrant, settler, writer and an ally – all of which are reflected throughout her tweets and retweets. She has had an active voice in standing up for those with bleeding disorders and has contributed to many conversations surrounding the Black Lives Matter movement. To hear more from an advocate like Dr. Sumedha, check out her profile.

Click her profile to follow ⬅️

Dr. Nancy Olivieri (@DrNancyOlivieri)

It is no surprise that Dr. Nancy is featured on our list! She pursued training in Internal Medicine and Hematology at McMaster University, University of Toronto, and Harvard University, and over the past 25 years has sustained continuous funding for research for hemoglobin disorders. Most notably, she and Professor David Weatherall founded Hemoglobal® to help provide children in Asia with improved care to preserve their lives and quality of life. To follow along with the work done in both Sri Lanka and India to care for thousands of children with blood diseases, give her a follow!

Click her profile to follow ⬅️

Dr. Terrance Comeau (@SCTNB)

Dr. Terrance is an Associate Professor in the Division of Hematology at Dalhousie University, however, he may be more commonly known for his position as the Director of the New Brunswick Stem Cell Transplant Program at Horizon Health Network. He also runs a website that features Hematology and Stem Cell Transplant Resources. It is no doubt that Dr. Terrance is busy, but he still has time to be an active voice on Twitter for his 2,300 followers!

Click his profile to follow ⬅️

Can you understand now why we decided to highlight this great group of Canadian Hematologists? Our list of the “Top 10” was difficult to narrow down, however, we believe that this list is a great starting point for you to dip your toe into the Hematology community that currently exists on Twitter.