Hematology Board
The Specialty Boards and Advisory Committees aim to maintain a composition that reflects the diversity and complexity of the physician and patient populations that certification serves. They include both practicing physician members and public members representing interdisciplinary healthcare professionals, patients and caregivers.
Dr. Gertz is the Roland Seidler Jr. Professor of the Art of Medicine and Chair of the Department of Medicine at the Mayo Clinic in Rochester, Minnesota. He is ABIM Board Certified in Internal Medicine, Hematology and Medical Oncology. Previously, Dr. Gertz served as Treasurer for the International Myeloma Society and President of Mayo Staff Officers and Councilors. He also formerly chaired the Mayo Personnel Committee. He is the Chair of the ABIM Hematology Board.
Dr. Gertz has been recognized as a Mayo Distinguished Clinician and in 2014 received the Jan Waldenström Medal for Medical and Scientific Achievements in Waldenström's Macroglobulinemia. He is recognized for contributions in amyloidosis and Waldenström's macroglobulinemia. He has authored more than 500 peer-reviewed publications in the field and is a frequently invited speaker across the country.
Dr. Gertz is a Master of the American College of Physicians. His undergraduate degree was awarded with highest distinction from Northwestern University, where he graduated Phi Beta Kappa. Dr. Gertz received his medical degree cum laude from Loyola University Chicago’s Stritch School of Medicine in Maywood, Illinois, where he was elected to Alpha Omega Alpha, the medical honor society. He completed a three-year medical residency at Rush-Presbyterian-St. Luke’s Medical Center in Chicago where he was twice voted Resident of the Year.
As of September 2024, Dr. Gertz reported the following external relationships:
Research-related consulting for the following companies, receiving reimbursement for travel expenses and honoraria:
- AbbVie, receiving honoraria.
- Ackea Therapeutics, receiving honoraria.
- Alexion, receiving honoraria.
- Alnylam Pharmaceuticals, receiving honoraria.
- AstraZeneca, receiving honoraria.
- Dava Oncology, receiving honoraria.
- Janssen, receiving honoraria.
- Johnson & Johnson, receiving honoraria.
- Medscape Education, receiving honoraria.
- Prothena, receiving reimbursement for travel expenses.
- Sanofi, receiving honoraria.
Industry-supported continuing medical education supported by the following, with compensation as listed:
- Alnylam, receiving honoraria.
Teaching in industry-sponsored satellite symposia with funding from the following company, with compensation as listed:
- Johnson & Johnson, receiving honoraria.
Dr. Gertz is the Roland Seidler Jr. Professor of the Art of Medicine and Chair of the Department of Medicine at the Mayo Clinic in Rochester, Minnesota. He is ABIM Board Certified in Internal Medicine, Hematology and Medical Oncology. Previously, Dr. Gertz served as Treasurer for the International Myeloma Society and President of Mayo Staff Officers and Councilors. He also formerly chaired the Mayo Personnel Committee. He is the Chair of the ABIM Hematology Board.
Dr. Gertz has been recognized as a Mayo Distinguished Clinician and in 2014 received the Jan Waldenström Medal for Medical and Scientific Achievements in Waldenström's Macroglobulinemia. He is recognized for contributions in amyloidosis and Waldenström's macroglobulinemia. He has authored more than 500 peer-reviewed publications in the field and is a frequently invited speaker across the country.
Dr. Gertz is a Master of the American College of Physicians. His undergraduate degree was awarded with highest distinction from Northwestern University, where he graduated Phi Beta Kappa. Dr. Gertz received his medical degree cum laude from Loyola University Chicago’s Stritch School of Medicine in Maywood, Illinois, where he was elected to Alpha Omega Alpha, the medical honor society. He completed a three-year medical residency at Rush-Presbyterian-St. Luke’s Medical Center in Chicago where he was twice voted Resident of the Year.
As of September 2024, Dr. Gertz reported the following external relationships:
Research-related consulting for the following companies, receiving reimbursement for travel expenses and honoraria:
- AbbVie, receiving honoraria.
- Ackea Therapeutics, receiving honoraria.
- Alexion, receiving honoraria.
- Alnylam Pharmaceuticals, receiving honoraria.
- AstraZeneca, receiving honoraria.
- Dava Oncology, receiving honoraria.
- Janssen, receiving honoraria.
- Johnson & Johnson, receiving honoraria.
- Medscape Education, receiving honoraria.
- Prothena, receiving reimbursement for travel expenses.
- Sanofi, receiving honoraria.
Industry-supported continuing medical education supported by the following, with compensation as listed:
- Alnylam, receiving honoraria.
Teaching in industry-sponsored satellite symposia with funding from the following company, with compensation as listed:
- Johnson & Johnson, receiving honoraria.
Dr. Al Hadidi is an Assistant Professor of Medicine in the Department of Internal Medicine—Division of Hematology and Oncology at the University of Arkansas for Medical Sciences. His research interests include plasma cell dyscrasias and multiple myeloma with a focus on drug development, cellular therapy, immunotherapy, health equity and medical education. He is ABIM Board Certified in Internal Medicine, Medical Oncology and Hematology.
Dr. Al Hadidi is a member of the American Society of Clinical Oncology, the American Society of Hematology, the American Association for Cancer Research and the American Society for Transplantation and Cellular Therapy.
Dr. Al Hadidi earned his medical degree from the University of Jordan in Amman, and a Master of Science in Clinical Research Design and Statistical Analysis at the University of Michigan School of Public Health. Dr. Al Hadidi trained in internal medicine at Hurley Medical Center/Michigan State University and in hematology and oncology at Baylor College of Medicine.
As of September 2024, Dr. Hadidi reported the following ongoing external relationships.
Service on a research-related advisory board for the following companies, with honoraria:
- Galapagos
- Janssen
- Pfizer
- Sanofi
Dr. Al Hadidi is an Assistant Professor of Medicine in the Department of Internal Medicine—Division of Hematology and Oncology at the University of Arkansas for Medical Sciences. His research interests include plasma cell dyscrasias and multiple myeloma with a focus on drug development, cellular therapy, immunotherapy, health equity and medical education. He is ABIM Board Certified in Internal Medicine, Medical Oncology and Hematology.
Dr. Al Hadidi is a member of the American Society of Clinical Oncology, the American Society of Hematology, the American Association for Cancer Research and the American Society for Transplantation and Cellular Therapy.
Dr. Al Hadidi earned his medical degree from the University of Jordan in Amman, and a Master of Science in Clinical Research Design and Statistical Analysis at the University of Michigan School of Public Health. Dr. Al Hadidi trained in internal medicine at Hurley Medical Center/Michigan State University and in hematology and oncology at Baylor College of Medicine.
As of September 2024, Dr. Hadidi reported the following ongoing external relationships.
Service on a research-related advisory board for the following companies, with honoraria:
- Galapagos
- Janssen
- Pfizer
- Sanofi
Meghan Gutierrez is the Chief Executive Officer of the Lymphoma Research Foundation, the nation's largest nonprofit organization devoted to funding lymphoma research and education, advancing both the study of new cancer therapies and improved patient care.
A government relations and healthcare policy specialist, Ms. Gutierrez has pursued an array of public policy issues during her career, ranging from mental health parity and rare disease awareness to medical technology and the treatment of chronic disease. Following her work as a Congressional staff member for one of the U.S. House of Representatives' foremost leaders on healthcare policy, she served as a health policy and communications advisor for several national nonprofit and educational institutions, including Columbia University and the Partnership for a Drug-Free America.
Ms. Gutierrez was named Lymphoma Research Foundation Chief Executive Officer in 2014. In this role she represents the Foundation and the lymphoma community before numerous audiences, including the U.S. Congress, Food and Drug Administration, National Institutes of Health, pharmaceutical industry and health insurance payers. She has written and lectured extensively about the needs of cancer patients and served on committees and panels of the American Society of Clinical Oncology, the American Society of Hematology, the Institute of Medicine and the National Cancer Institute, among others. She has received numerous national awards and recognition for her work to champion the needs of people with cancer and underserved patient populations. Additionally, Ms. Gutierrez was among 100 women listed in Crain's Notable Women in Health Care, recognizing her commitment to the healthcare industry and moving it toward gender equality. Similarly, Ms. Gutierrez was recognized by PR News as a Top Women in Healthcare for her national leadership in health care.
Ms. Gutierrez earned her bachelor’s degree from the University of Iowa.
As of May 2024, Ms. Gutierrez reported no ongoing external relationships.
Meghan Gutierrez is the Chief Executive Officer of the Lymphoma Research Foundation, the nation's largest nonprofit organization devoted to funding lymphoma research and education, advancing both the study of new cancer therapies and improved patient care.
A government relations and healthcare policy specialist, Ms. Gutierrez has pursued an array of public policy issues during her career, ranging from mental health parity and rare disease awareness to medical technology and the treatment of chronic disease. Following her work as a Congressional staff member for one of the U.S. House of Representatives' foremost leaders on healthcare policy, she served as a health policy and communications advisor for several national nonprofit and educational institutions, including Columbia University and the Partnership for a Drug-Free America.
Ms. Gutierrez was named Lymphoma Research Foundation Chief Executive Officer in 2014. In this role she represents the Foundation and the lymphoma community before numerous audiences, including the U.S. Congress, Food and Drug Administration, National Institutes of Health, pharmaceutical industry and health insurance payers. She has written and lectured extensively about the needs of cancer patients and served on committees and panels of the American Society of Clinical Oncology, the American Society of Hematology, the Institute of Medicine and the National Cancer Institute, among others. She has received numerous national awards and recognition for her work to champion the needs of people with cancer and underserved patient populations. Additionally, Ms. Gutierrez was among 100 women listed in Crain's Notable Women in Health Care, recognizing her commitment to the healthcare industry and moving it toward gender equality. Similarly, Ms. Gutierrez was recognized by PR News as a Top Women in Healthcare for her national leadership in health care.
Ms. Gutierrez earned her bachelor’s degree from the University of Iowa.
As of May 2024, Ms. Gutierrez reported no ongoing external relationships.
Dr. Jaiyesimi specializes in hematology-oncology and is the Director of the Hematology- Oncology Fellowship Program, Department Chair for the Hematology-Oncology Department at William Beaumont Hospital – Royal Oak and on staff at Beaumont in Troy, Michigan. He is ABIM Board Certified in Medical Oncology and Hematology.
Dr. Jaiyesimi has been training internal medicine residents, medical students and fellows in hematology/oncology for almost three decades. Active in the clinical research of cancer and the Cancer Clinical Trials Office (CCTO), he is also a Professor of Medicine in Hematology/Oncology at Oakland University William Beaumont School of Medicine. Dr. Jaiyesimi is a fellow of the American College of Physicians and a member of the American Society of Clinical Oncology, the American Medical Association, the American Society of Hematology, the American Osteopathic Association and the Oakland County Medical Society.
A graduate of the University of Minnesota, College of Pharmacy in Minneapolis with a Bachelor of Science in Pharmacy and a master's degree in social and administrative pharmacy, Dr. Jaiyesimi attended medical school and graduated the Western University of Health Sciences in Pomona, California, where he received his Doctorate of Osteopathic Medicine. He completed an internal medicine residency at William Beaumont Hospital in Royal Oak, Michigan, and completed a fellowship in hematology and oncology at the University of Texas MD Anderson Cancer Center in Houston.
As of September 2024, Dr. Jaiyesimi reported no ongoing external relationships.
Dr. Jaiyesimi specializes in hematology-oncology and is the Director of the Hematology- Oncology Fellowship Program, Department Chair for the Hematology-Oncology Department at William Beaumont Hospital – Royal Oak and on staff at Beaumont in Troy, Michigan. He is ABIM Board Certified in Medical Oncology and Hematology.
Dr. Jaiyesimi has been training internal medicine residents, medical students and fellows in hematology/oncology for almost three decades. Active in the clinical research of cancer and the Cancer Clinical Trials Office (CCTO), he is also a Professor of Medicine in Hematology/Oncology at Oakland University William Beaumont School of Medicine. Dr. Jaiyesimi is a fellow of the American College of Physicians and a member of the American Society of Clinical Oncology, the American Medical Association, the American Society of Hematology, the American Osteopathic Association and the Oakland County Medical Society.
A graduate of the University of Minnesota, College of Pharmacy in Minneapolis with a Bachelor of Science in Pharmacy and a master's degree in social and administrative pharmacy, Dr. Jaiyesimi attended medical school and graduated the Western University of Health Sciences in Pomona, California, where he received his Doctorate of Osteopathic Medicine. He completed an internal medicine residency at William Beaumont Hospital in Royal Oak, Michigan, and completed a fellowship in hematology and oncology at the University of Texas MD Anderson Cancer Center in Houston.
As of September 2024, Dr. Jaiyesimi reported no ongoing external relationships.
Ms. Lillie is an Advanced Oncology Certified Nurse Practitioner working in malignant hematology at Inova Schar Cancer Institute in Fairfax, Virginia, where she works primarily in an outpatient setting managing patients with leukemia and lymphoma. She is a board certified family nurse practitioner by the American Association of Nurse Practitioners and advanced oncology certified nurse practitioner by the Oncology Nursing Society. She is a member of Oncology Nursing Society, the American Association of Nurse Practitioners and the Advanced Practitioner Society for Hematology and Oncology.
Ms. Lillie is passionate about holistic care, patient advocacy, evidence-based practice, maintaining long-term patient relationships and patient education. She began her career working as a bedside nurse on a complex hematology/oncology/stem cell transplant unit at Medstar Georgetown University Hospital in Washington, D.C., after graduating with distinction from the University of Virginia with her Bachelor of Science in Nursing. She was awarded the title "Nurse of the Year" in 2018, nominated by her peers.
Ms. Lillie obtained a Master of Science in Nursing from George Mason University and was a recipient of Advancing Nursing Education Workforce Population Health Fellowship Grant, sponsored by the U.S. Department of Health Resources and Services Administration, which allowed her to complete clinical rotations in free clinics for uninsured and refugee patients during her training.
As of April 2025, Ms. Lillie reported no ongoing external relationships.
Ms. Lillie is an Advanced Oncology Certified Nurse Practitioner working in malignant hematology at Inova Schar Cancer Institute in Fairfax, Virginia, where she works primarily in an outpatient setting managing patients with leukemia and lymphoma. She is a board certified family nurse practitioner by the American Association of Nurse Practitioners and advanced oncology certified nurse practitioner by the Oncology Nursing Society. She is a member of Oncology Nursing Society, the American Association of Nurse Practitioners and the Advanced Practitioner Society for Hematology and Oncology.
Ms. Lillie is passionate about holistic care, patient advocacy, evidence-based practice, maintaining long-term patient relationships and patient education. She began her career working as a bedside nurse on a complex hematology/oncology/stem cell transplant unit at Medstar Georgetown University Hospital in Washington, D.C., after graduating with distinction from the University of Virginia with her Bachelor of Science in Nursing. She was awarded the title "Nurse of the Year" in 2018, nominated by her peers.
Ms. Lillie obtained a Master of Science in Nursing from George Mason University and was a recipient of Advancing Nursing Education Workforce Population Health Fellowship Grant, sponsored by the U.S. Department of Health Resources and Services Administration, which allowed her to complete clinical rotations in free clinics for uninsured and refugee patients during her training.
As of April 2025, Ms. Lillie reported no ongoing external relationships.
Dr. May is an Assistant Professor of Medicine in the Division of Hematology/Oncology at the University of Alabama at Birmingham (UAB). She specializes in caring for patients with thrombosis and coagulation disorders and is the Physician Advisor for Hemostatic and Antithrombotic Stewardship for UAB Medicine. Dr. May is a board member of the Anticoagulation Forum and an active member of the American Society of Hematology, currently serving on the Committee on Quality. She is also an active medical educator, including roles within UAB's medical school, internal medicine residency and fellowship programs.
She completed her medical degree at Washington University School of Medicine in St. Louis and completed Internal Medicine residency, chief residency and a hematology-oncology fellowship at UAB. She is ABIM Board Certified in Internal Medicine, Medical Oncology and Hematology.
As of September 2024, Dr. May reported no ongoing external relationships.
Dr. May is an Assistant Professor of Medicine in the Division of Hematology/Oncology at the University of Alabama at Birmingham (UAB). She specializes in caring for patients with thrombosis and coagulation disorders and is the Physician Advisor for Hemostatic and Antithrombotic Stewardship for UAB Medicine. Dr. May is a board member of the Anticoagulation Forum and an active member of the American Society of Hematology, currently serving on the Committee on Quality. She is also an active medical educator, including roles within UAB's medical school, internal medicine residency and fellowship programs.
She completed her medical degree at Washington University School of Medicine in St. Louis and completed Internal Medicine residency, chief residency and a hematology-oncology fellowship at UAB. She is ABIM Board Certified in Internal Medicine, Medical Oncology and Hematology.
As of September 2024, Dr. May reported no ongoing external relationships.
Dr. Rozell is a medical oncologist at Affiliated Oncologists in Chicago Ridge, Illinois, affiliated with Advocate Christ Medical Center and Advocate South Suburban Hospital. She is ABIM Board Certified in Internal Medicine, Medical Oncology and Hematology.
Dr. Rozell received a medical degree from Northwestern University Medical School. She completed internal medicine training at the Mayo Clinic College of Medicine and Science in Rochester, Minnesota, and hematology-oncology fellowship training at the McGaw Medical Center of Northwestern University.
As of June 2025, Dr. Rozell reported no ongoing external relationships.
Dr. Rozell is a medical oncologist at Affiliated Oncologists in Chicago Ridge, Illinois, affiliated with Advocate Christ Medical Center and Advocate South Suburban Hospital. She is ABIM Board Certified in Internal Medicine, Medical Oncology and Hematology.
Dr. Rozell received a medical degree from Northwestern University Medical School. She completed internal medicine training at the Mayo Clinic College of Medicine and Science in Rochester, Minnesota, and hematology-oncology fellowship training at the McGaw Medical Center of Northwestern University.
As of June 2025, Dr. Rozell reported no ongoing external relationships.
Dr. Sosa is an Associate Professor at Fox Chase Cancer Center and Disease Site Chief for the Hematology Group. Her clinical interests include consultative hematology with a focus on myeloproliferative disorders, bleeding/thrombosis and anemia. She also has an interest in medical education and has participated extensively in programs and materials to improve and enhance the experience of trainees in the medical sciences.
Dr. Sosa graduated with a Bachelor of Arts in Psychology from Tulane University and a Master of Science in Zoology and Physiology from Louisiana State University. She holds a Doctorate of Medicine/Doctorate of Philosophy from the University of Minnesota in Minneapolis. Dr. Sosa completed her postgraduate training in internal medicine and hematology/oncology at Vanderbilt University, where she trained under the mentorship of John Oates in clinical pharmacology.
As of April 2025, Dr. Sosa reported the following external relationships:
Work as an author or editor for the following companies, with compensation as listed:
Service on a research-related expert panel or advisory board for the following company, with compensation for travel expenses and honoraria:
- The National Comprehensive Cancer Network, Scientific Review Committee, Member, for the use of PARP in prostate cancer, receiving honoraria and reimbursement for travel expenses.
Dr. Sosa serves in significant roles with the following organizations, receiving reimbursement or compensation as listed:
- The American College of Physicians, meeting speaker regarding most impactful papers, receiving honoraria and reimbursement for travel expenses.
- The American Society of Hematology, Classical Hematology Mentorship Program Mentor, lecturer and Educational Committee Member, donating stipend back to the American Society of Hematology.
Dr. Sosa is an Associate Professor at Fox Chase Cancer Center and Disease Site Chief for the Hematology Group. Her clinical interests include consultative hematology with a focus on myeloproliferative disorders, bleeding/thrombosis and anemia. She also has an interest in medical education and has participated extensively in programs and materials to improve and enhance the experience of trainees in the medical sciences.
Dr. Sosa graduated with a Bachelor of Arts in Psychology from Tulane University and a Master of Science in Zoology and Physiology from Louisiana State University. She holds a Doctorate of Medicine/Doctorate of Philosophy from the University of Minnesota in Minneapolis. Dr. Sosa completed her postgraduate training in internal medicine and hematology/oncology at Vanderbilt University, where she trained under the mentorship of John Oates in clinical pharmacology.
As of April 2025, Dr. Sosa reported the following external relationships:
Work as an author or editor for the following companies, with compensation as listed:
Service on a research-related expert panel or advisory board for the following company, with compensation for travel expenses and honoraria:
- The National Comprehensive Cancer Network, Scientific Review Committee, Member, for the use of PARP in prostate cancer, receiving honoraria and reimbursement for travel expenses.
Dr. Sosa serves in significant roles with the following organizations, receiving reimbursement or compensation as listed:
- The American College of Physicians, meeting speaker regarding most impactful papers, receiving honoraria and reimbursement for travel expenses.
- The American Society of Hematology, Classical Hematology Mentorship Program Mentor, lecturer and Educational Committee Member, donating stipend back to the American Society of Hematology.