ACCEPT WHAT YOU CANβT CHANGE.
CHANGE WHAT YOU CANNOT ACCEPT.
The Mighty Little Warrior Team
How lucky that the worst luck brought together the best team we could imagine. We became warrior families reluctantly, but we became a team enthusiastically. Our organization is made up primarily of volunteers who are fueled by passion.
For us, itβs personal.
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Co-Founder | Lucyβs Mom | Board Memeber
A financial planner by trade, a connector by nature, and a reluctant "momcologist." Maggie brings unrivaled urgency to the cause.
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Co-Founder | Lucyβs Dad | Board President
A biologist by training, and a cancer-dad by chance, Piero can go toe-to-toe with most researchers. He drives innovation and collaboration.
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Co-Founder | Lucyβs Godmother | Officer
Calling start-ups home for most of her career, Emily propels the Foundation with design, copy, and campaigns that generate results.
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Board Member | Charlieβs Dad
Mike is not a regular lawyer, heβs a cool lawyer. Equally wise and hysterical, Mike gives us the confidence to make big moves. Mike was called to the cause to continue his son Charlieβs fight. Charlie left this world too soon in 2019.
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Board Member | Gusβs Dad
Timβs experience as a CEO is put to good use as he deftly pushes everyone and everything forward, fast. We rely on Timβs big business brain to motivate researchers and biopharma to do right by kids. β¨Brought to battle by his son Gus, Tim is also driven by the memory of his buddy Ian.
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Board Member | Emilyβs Mom
Melissa was reluctantly introduced to Ewingβs in 2011 when her daughter was diagnosed. Today, she brings her deep nonprofit experience, entrepreneurial spirit, and thoughtful solutions to Little Warrior. Melissa also runs Wisconsin Adaptive Sports Association.
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Events & Operations | Gusβs Buddy
Alana is our secret weapon. She orchestrates our events and manages all the little details that make them magic. Sheβs unflappable and unstoppable.
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Treasurer
Leah is a tenured accountant, which surprises most people because sheβs passionate and generally awesome. Itβs a big job and she makes it look easy β and occasionally fun. -
Shop Lead | Lucyβs Aunt
Kristin makes us all look good. She runs strategy and design for the Little Warrior Shop. With deep experience in retail and fashion, she drives awareness and revenue!
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Fundraising + PR | Gusβs Mom
Heidi is the queen of fundraisers. From galas to hot cocoa stands, she runs memorable and impactful events and guides others to do the same. From parties to PR release, Heidi is always on point.
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Shop Manager | Lucyβs Grandma
With a speed rivaled only by Amazon, and a heart rivaled by none, Patty fulfills orders, delights shoppers, and keeps the Little Warrior Fight Club looking fly.
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Science Committee | Ianβs Mom
You can find Hillary deep in scientific journals or volunteering at our events. Either way, her sleeves are always rolled up to make things better for the next family. Hillary is the mom of an unbelievable angel warrior, Ian. -
Grant Writer | Lucyβs Nonna
One of our hardworking Warrior Grandmas, Kathy picked up her sword when Lucy was diagnosed. Retired from academia, Kathy brings her knowledge of grants and institutional funding to the team.
Medical Advisory Board
At Little Warrior, we are diligent about science. We believe that we can't drive urgency if we can't keep up. While we have a credentialed biologist-turned-cancer-dad and a team of trenches-trained, science-savvy minds, we also rely on true Ewings experts. We created a Medical Advisor Board to help us vet proposals, connect dots, and ensure that the projects we fund have strong potential to make it to the clinic.
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Pete Anderson, MD, PHD
Cleveland Clinic
Dr. Pete Anderson left high school early but went on to graduate summa cum laude from the University of Minnesota, where he began his cancer research career. He completed an MD at Mt. Sinai, a PhD at CUNY, and a combined Internal Medicine/Pediatrics residency at Duke, followed by Pediatric Hem/Onc/BMT fellowship and cancer immunology research at Minnesota. He spent a decade at the Mayo Clinic (rising to Professor) leading innovative trials, including samarium and aerosol IL-2 liposomes, and later served at MD Anderson (2005β2014) specializing in outpatient chemotherapy, immunotherapy, and sarcoma clinical trials. Now a Professor at the Cleveland Clinic Lerner College of Medicine, he remains active in patient advocacy, conducts over 300 virtual consults annually, and helps advance novel approaches using chemotherapy, SBRT, cryoablation, and immunologic strategies. He has authored 150+ publications and invented Healios, a medical nutrition product that supports GI healing and reduces mucositis.
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Timothy Cripe, MD, PhD
Nationwide Childrenβs Hospital
Dr. Timothy Cripe is Chief of Pediatric Hematology, Oncology, Blood and Marrow Transplant and the Gordon Teter Endowed Chair in Pediatric Cancer at Nationwide Childrenβs Hospital. He is a principal investigator in the Center for Childhood Cancer Research at the Abigail Wexner Research Institute and a Professor of Pediatrics at The Ohio State University Wexner College of Medicine, where he is also part of the Translational Therapeutics Program and the Pelotonia Institute for Immuno-Oncology. His research centers on developing and clinically testing cellular, viral, and gene therapies for pediatric cancers, supported by multiple R-, U-, and P-level NIH grants. Dr. Cripe has published 170+ peer-reviewed papers, delivered over 220 invited lectures, and serves as PI of a T32 training grant in pediatric cancer. He is the former chair of the FDAβs Cellular, Tissue and Gene Therapy Advisory Committee and is Editor-in-Chief of Molecular Therapy β Oncology. He founded the educational podcast This Week in Pediatric Oncology (112 episodes) and is co-founder and board member of Vironexis Biotherapeutics, a clinical-stage cancer gene therapy company.
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Steven DuBois, MD, MS
Dana-Farber / Boston Childrenβs
Dr. DuBois completed medical school and pediatric residency at UCSF, followed by pediatric oncology training at Dana-Farber / Boston Childrenβs, where he also earned an MS in Epidemiology from the Harvard School of Public Health. He is now an Associate Professor of Pediatrics at Harvard Medical School and Director of Experimental Therapeutics at Dana-Farber / Boston Childrenβs Cancer and Blood Disorders Center, leading efforts to bring new targeted therapies to children with cancer. His clinical and translational research focuses on advanced neuroblastoma and Ewing sarcoma, including national phase 1β3 trials and studies of biomarkers that illuminate tumor biology and drug response. Dr. DuBois has served on multiple national committees, including the COG Neuroblastoma Steering Committee, COG Bone Tumor Committee, ASCO Scientific Program Committee, and the FDA ODAC Pediatric Oncology Drugs Advisory Committee.
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Thomas GrΓΌnewald, MD, PhD
Hopp-Childrenβs Cancer Center (Germany)
Dr. Thomas GrΓΌnewald is a Principal Investigator at the German Cancer Research Center (DKFZ)/Hopp-Childrenβs Cancer Center (KiTZ) and Professor of Translational Pediatric Sarcoma Research at the University of Heidelberg. His work integrates functional genomicsβhigh-throughput sequencing, transcriptomics, epigenetics, and CRISPRβwith diverse in vitro and in vivo approaches to uncover mechanisms, diagnostics, and therapeutic opportunities for pediatric and AYA sarcomas. Prior to Heidelberg, he trained at TUM, completed postdoctoral research at the Institut Curie in Paris, and served as a Max-Eder Junior Research Group Leader at LMU Munich. He is also an attending pathologist at Heidelberg University Hospital and co-organizer of EuSARC conferences. Dr. GrΓΌnewald has received multiple national research and teaching awards, and his work has been cited 5,500+ times with an H-index of 41.
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Emily Slotkin, MD, PHD
Memorial Sloan Kettering
Dr. Slotkin is a pediatric oncologist on the Memorial Sloan Kettering Kids team who specializes in the treatment of children with sarcomas and other solid tumors. With our strong history in the treatment of sarcomas, MSK sees one of the largest groups of children and young adults with sarcomas in the world. Dr. Slotkinβs research focuses on identifying and testing new treatments for desmoplastic small round cell tumors and other sarcomas affecting adolescents and young adults, through translational laboratory work and clinical trials.
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Ramon Sun, PhD
University of Florida
Dr. Ramon Sun is an endowed chair and Associate Professor of Biochemistry at the University of Florida, where he directs the Center for Advanced Spatial Biomolecule Research. After undergraduate studies at the University of Auckland and a PhD in Cancer Biology at the Australian National University, he completed postdoctoral training at Stanford before launching his independent lab. A leading expert in spatial metabolomics, Dr. Sun develops advanced mass spectrometry and machine-learningβdriven tools to map complex carbohydrate metabolism at single-cell resolution. His team integrates these data-rich approaches with cellular and mouse models to uncover how carbohydrate dysregulation drives diseases, including cancer. His recent work has illuminated the often-overlooked glycogen hyperaccumulation phenotype in Ewing sarcoma and its potential as a therapeutic target.
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Aykut Γren, MD
Georgetown University
Dr. Aykut Γren is a Professor of Oncology at Georgetown University with a secondary appointment in Biochemistry and Molecular & Cellular Biology. His research examines the molecular drivers of malignant transformation and advances drug discovery for pediatric sarcomas. His lab develops targeted therapies against key oncogenic proteins, including EWS-FLI1 and CD99 in Ewing sarcoma, ERG in prostate cancer, ezrin in osteosarcoma, and Pax3-FOXO1 in rhabdomyosarcoma. Dr. Γren also directs Georgetownβs core facility for surface plasmon resonance (Biacore) technology, supporting academic and industry partners. A dedicated educator, he teaches tumor biology and medical gross anatomy and has received multiple teaching honors, including the Golden Apple and Golden Orchard awards. -

Subject Matter Experts
Various Institutions, Globally
In addition to our formal Medical Advisory Board, we engage a network of leading medical and scientific experts who contribute their specialized knowledge on an as-needed basis. They are not formal board members, but they ensure each opportunity is assessed with the highest level of scientific and clinical rigor. We are grateful for the generosity of so many physicians and researchers who lend their brainpower and their hearts to this cause.

