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Previous Clinical Fellowship Program Recipients
2012-2014 Recipients  

Jonathan Roberts, MD
Medical College of Wisconsin and the Children’s Hospital of Wisconsin

Dr. Jonathan Roberts is currently a pediatric hematology and oncology fellow with the Medical College of Wisconsin and the Children’s Hospital of Wisconsin. His fellowship mentor will be Joan Gill, MD, Professor of Pediatrics at the Medical College of Wisconsin and Director of the Comprehensive Center for Bleeding Disorders (CCBD) at the BloodCenter of Wisconsin. Roberts graduated with honors from Greenville College, Illinois, and received his MD from Southern Illinois University School of Medicine. He did his residency in Pediatrics at the University of Illinois at Peoria and Children’s Hospital of Illinois, where he also distinguished himself, receiving awards of excellence for critical care and research. During his pediatric residency, Roberts worked with Dr. Michael Tarantino to initiate a clinical research trial to assess the role of FXIII on intraventricular hemorrhage in premature, low birth weight infants. As a NHF-Baxter Clinical Fellow, Roberts will receive focused training and gain clinical experience through the hemostasis clinics at CCBD and further develop his research skills in a project to develop a new ELISA-based assay for assigning VWF phenotype. Roberts has plans to pursue a Master’s Degree in Clinical and Translational Science. His goal is to become an expert physician/scientist with a long-term career focus on hemophilia, and other bleeding and clotting disorders.

Tammuella Chrisentery-Singleton, MD
Tulane University School of Medicine

Dr. Tammuella Chrisentery-Singleton is an Assistant Professor of Clinical Pediatrics at Tulane University and is board certified in pediatric hematology/oncology. She will receive training under the mentorship of Cindy Leissinger, MD, Chief, Section of Hematology & Medical Oncology at Tulane University School of Medicine and Director of the Louisiana Center for Bleeding and Clotting Disorders. Chrisentery-Singleton graduated with honors from Xavier University, received her MD from Louisiana State University and then completed her pediatric residency at the University of Miami. Following residency, she completed pediatric hematology/oncology fellowship training at Johns Hopkins University, where she worked with Dr. Jim Cassella and developed a serious interest in disorders of coagulation, particularly hemophilia. After her fellowship training, she was recruited to join the pediatric hematology/oncology faculty at LSU and Children’s Hospital of New Orleans. In 2010, Chrisentery-Singleton accepted a position at Tulane University because of her desire to receive more training and spend more time in the specialized coagulation medicine program. As an NHF-Baxter Clinical Fellow, she will receive dedicated training in bleeding and clotting disorders for both children and adult patients, along with mentoring in clinical research related to bleeding disorders. She will also continue her work on several ongoing clinical trials, and pursue her project in developing models to better determine pharmacokinetic parameters with a minimal number of needle sticks in pediatric patients with hemophilia. Her goals are to steadily improve her knowledge and skills in caring for patients with coagulation disorders, and continue building her academic career in coagulation medicine.


2011-2013 Recipients  

Ayesha Zia, MD

Dr. Zia earned a MBBS degree from King Edward Medical College, Pakistan. Following an internship in pediatrics at the Children’s Hospital, University of Oklahoma Health Sciences Center, she completed her second and third years of pediatric residency at the Children’s Hospital of Michigan, Wayne State University in Detroit. Since becoming a hematology/oncology fellow in 2009, Dr. Zia presented at the American Society of Hematology and has had five abstracts accepted for presentation at other major hematology meetings. Dr. Zia will continue her specialized training in pediatric hemostasis-thrombosis under the directorship of Dr. Jeanne Lusher. The NHF-Baxter Clinical Fellowship award will foster Dr. Zia’s development as a clinical scientist, allowing her to study clinical research design, statistical analysis as well as pursue research concerning the thrombogenicity of hormonal supplementation in adolescent girls under the mentorship of Drs. Madhvi Rajpurkar and Michael Callaghan, a previous NHF/Baxter clinical fellowship recipient.


2010-2012 Recipients  

Rachael Grace, MD

Dr. Grace joined Children’s Hospital Boston / Dana Farber Cancer Institute as a Pediatric Resident after receiving both her undergraduate and doctoral degrees from Brown University. She has since gone on to become a fellow in the institution’s Hematology/Oncology program and was chief fellow in her final year of fellowship. As Dr. Grace begins her NHF-Baxter fellowship, she will be on staff as a Hematologist at Children’s Hospital Boston / Dana Farber Cancer Institute.

As an NHF-Baxter fellow, Dr. Grace will spend two years developing advanced skills in clinical hemostasis and clinical trial design. Under the mentorship of Dr. Ellis Neufeld, she will continue her work on several ongoing clinical studies. Dr. Grace is currently the Co-Investigator of a study on the genetic modifiers of chronic ITP.

Dr. Grace’s goal is to become a clinical expert in hemostasis and thrombosis as well as a productive independent clinical investigator. She hopes to contribute towards improving the treatment, outcomes and quality of life of pediatric patients with bleeding and clotting disorders through a career in clinical research.

Brian Branchford, MD

Since 2009, Dr. Branchford has been a hematology/oncology/bone marrow transplant fellow at the Children’s Hospital of Denver. Prior to this post, he served as Chief Resident at the Children’s Hospital of Wisconsin-Milwawukee. Dr. Branchford received his doctoral degree from the University of Wisconsin School of Medicine and Public Health and his BA in Biology from Lawrence University. He is also a member of the American Academy of Pediatrics and Colorado Medical Society as well as the American Societies of Hematology, Clinical Oncology and Pediatric Hematology/Oncology.

As an NHF-Baxter Clinical Fellow, Dr. Branchford will be continuing both his clinical and research training under the mentorship of Dr. Marilyn Manco-Johnson. In addition to this, he will be working in the lab of Dr. Jorge DiPaola on a project researching the microfluidic properties of von Willebrand Disease as well as the role of the TAM pathway in platelet activation and thrombus formation.

In the long-term, Dr. Branchford’s career goal is to serve as Director of a Hemophilia/Thrombosis center, providing clinical care as well as basic or translational research within the structure of an academic pediatric department.


2009-2011 Recipients  

Salley Pels, MD

Dr. Pels joined the hemophilia treatment center at Yale University as a pediatric hematology/oncology resident in 2004 after receiving her undergraduate degree from Johns Hopkins and her MD from the University of Vermont College of Medicine. Her recently-authored poster abstract on immune thrombocytopenia was selected for presentation at the 2009 Plenary Scientific Session of the Hemophilia and Thrombosis Research Society’s Annual Meeting.

As an NHF-Baxter Clinical Fellow, Dr. Pels will spend two years developing advanced skills in clinical hemostasis and learning rigorous methodologies of clinical trial design, completion and monitoring. She will also continue her work on several ongoing studies under the mentorship of Dr. Diana Beardsley.

Dr. Pels intends to pursue a career that includes both academics and research, including clinical work in the broad areas of hemostasis and thrombosis. She is hopeful that this work will lead to better therapies for patients with hemophilia as well as other bleeding and clotting disorders.

Jeremiah Boles, MD

Dr. Boles is currently a hematology and oncology fellow with the University of North Carolina at Chapel Hill, where he received both his BS and MD. His fellowship mentor at UNC will be Dr. Nigel Key. Also involved in Dr. Boles’ training will be Dr. Raj Kasthuri, a former NHF Clinical Fellowship recipient.

The co-author of a number of publications, including many in the field of neuroscience, Dr. Boles has also been honored for his teaching skills. Training received during the course of the program will include rigorous laboratory research as well as career guidance in hemostasis.

Dr. Boles hopes to continue his career in hematology post-fellowship and conduct research that will improve the lives of patients with hemophilia and other bleeding disorders.


NHF-Baxter Clinical Fellows


2003 - 2010


















































Mindy Grunzke, MD

Mountain States Regional Hemophilia Treatment Center

Aurora, CO


Mona Shah, MD

Baylor College of Medicine

Houston, TX


Romina Sabella-River, MD

University of Texas Health Sciences Center

Houston, TX


Ara Metjian, MD

University of Pennsylvania

Philadelphia, PA


Michael Callaghan, MD

Children’s Hospital of Michigan

Detroit, MI


Jordan Shavit, MD, Ph.D.

University of Michigan

Ann Arbor, MI


Eric Mullins, MD

Cincinnati Children’s Hospital Medical Center

Cincinnati, OH


Shannon Meeks, MD

Emory University School of Medicine

Atlanta, GA


Neil Andrew Goldenberg, MD

University of Colorado Health Sciences Center

Denver, Colorado


Raj Kasthuri, MD

University of Minnesota

Minneapolis, Minnesota


Nidra I. Rodriguez, MD

University of Texas Houston Health Science Center

Houston, Texas


Char M. Witmer, MD

The Children’s Hospital of Philadelphia

Philadelphia, Pennsylvania




Shawn M. Jobe, MD, PhD

University of Iowa Hospital and Clinic

Iowa City, Iowa

















Amy B. Awaida, MD

Mount Sinai Medical Center

New York, New York


Rebecca Kruse – Jarres, MD

Tulane University Health Sciences Center

New Orleans, Louisiana


Leslie J. Raffini, MD

Children’s Hospital of Philadelphia

Philadelphia, Pennsylvania


Courtney Thornburg, MD

University of Michigan

Ann Arbor, Michigan