MOS Board of Directors


Yifan Tu_MOS
Yifan Tu, MD, PhD
Assistant Professor, Department of Hematology/Oncology
Saint Louis University

Yifan Tu, MD, PhD, has been an assistant professor in the department of hematology/oncology at Saint Louis University since September 2014. She serves as principal investigator for a clinical trial involving breast cancer treatments, and has an Elsa U. Pardee Foundation grant for testing leukemia drug-resistance and related signaling pathways. Dr. Tu earned her medical degree at the Medical Center of Fudan University, followed by a PhD in molecular and cell biology from the University of Massachusetts.


Debra Tesoro, RPh, BCOP
Pharmacist-in-Charge, Investigational Drug Service
Washington University Infusion Center Pharmacy

Immediate Past President

Joseph Muscato_MOS
Joseph J. Muscato, MD, FACP
Medical Oncologist
Missouri Cancer Associates

Joseph J. Muscato, MD, FACP, was one of the founding physicians of Missouri Cancer Associates in Columbia. He is a member of the American College of Physicians—where he has been elected fellow—and the American Society of Clinical Oncology.

His awards include induction into the Phi Beta Kappa and Alpha Omega Alpha Honor Societies, election as the Young Internist of the Year by the Missouri Society of Internal Medicine, and he is included in the Best Doctors in America, Mid-West edition and has been voted as one of the “Top Docs” in Columbia by VOX Magazine and Inside Columbia. Dr. Muscato is certified in internal medicine, hematology, and medical oncology by the American Board of Internal Medicine. 


Danielle Duy, BA, CPhT
Pharmacy Access Specialist
SSM Health Cancer Care
St. Louis, MO

Danielle Duy has 30 years of pharmacy experience. She worked more than two decades as a Pharmacy Technician in retail and long-term care pharmacies. Currently, Ms. Duy holds the position of Pharmacy Access Specialist at SSM Health Cancer Care. As a Pharmacy Access Specialist at SSM, Ms. Duy helps patients navigate financial barriers to acquire medications. Her special interests include improving workflows, patient experience, and customer service. She is active in the Association of Community Cancer Centers Financial Advocacy Network.


Jacob K. Kettle, PharmD, BCOP
Director – Ellis Fischel Cancer Center Service Line
University of Missouri Hospitals and Clinics, Ellis Fischel Cancer Center
Columbia, MO

Jacob K. Kettle, PharmD, BCOP, is the director and pharmacy manager for the Ellis Fischel Cancer Center and Ambulatory Infusion Unit at the University of Missouri in Columbia, Missouri. Prior to his administrative work, Dr. Kettle spent more than a decade in oncology clinical practice both at the University of Missouri and the Kansas City Veterans Affairs Medical Center.  Dr. Kettle also serves as an adjunct clinical professor for the University of Missouri-Kansas City School of Pharmacy.

Dr. Kettle has published original research in multiple peer-reviewed journals and was the 2011 recipient of the Hematology/Oncology Pharmacy Association Basic Science and Clinical Research Literature Award. He has spoken nationally on emerging hematology and oncology topics, including oral antineoplastics and immunotherapy.

Dr. Kettle received his doctor of pharmacy degree from the University of Missouri–Kansas City School of Pharmacy.  He completed a pharmacy practice residency at the Kansas City Veterans Affairs Medical Center in Kansas City, Missouri, and a hematology/oncology pharmacy residency at the University of Kansas Medical Center in Kansas City, Kansas.

Headshot_Laurie Lewis
Laurie Lewis
Oncology Department Manager of Billing and Reimbursement
Washington University Siteman Cancer Center
St. Louis, MO

Laurie Lewis RMA, is the Oncology Department Manager of Billing and Reimbursement at Washington University Siteman Cancer Center in St. Louis Missouri. She has worked both in the clinical and administrative setting since 2015. Currently she manages a large work group comprised of 4 specialty teams working in chemotherapy precertification, coding/compliance, PAP/copay patient assistance and Insurance verification. Laurie has also spoken on the Financial Burdens of Survivorship during a webinar presented by the Division of Public Health Sciences at Washington University and has a true passion in assisting patients in every way possible to avoid financial hardships.

1801 Research Boulevard Suite 400
Rockville, MD 20850
Tel: 301.984.9496 | Fax: 301.770.1949
Email Us