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Executive Committee

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Crystal Seldon-Taswell, MD
University of Miami, Florida

Crystal Seldon Taswell is a PGY-5 resident at the University of Miami/Jackson Memorial Hospital in Miami, Florida. She has a special interest in promoting racial and gender diversity in the field of Radiation Oncology and has previously served as the resident chair of the mentorship committee for SWRO for 2 years. She is also an advocate for patient and physician rights, and recently participated in the Legislative and Government Fellowship with the Florida Radiological Society. She is honored to serve as the SWRO chair and is looking forward to providing mentorship and support for women and minorities interested in radiation oncology at all stages of their careers.


Sara Beltrán Ponce, MD
Vice-Chair and Treasurer
Medical College of Wisconsin, 

Sara Beltrán Ponce is a PGY-4 radiation oncology resident at the Medical College of Wisconsin. She attended the University of Wisconsin - Madison for her undergraduate degree and the Medical College of Wisconsin for her MD. She is a proud mama to two sweet babies and a powerful advocate for transparency surrounding parenthood and parental leave in medical training. She has strong interests in cancer disparities research, community engagement, and medical education, particularly mentoring women and UIM interested in careers in radiation oncology.  Additionally, she serves on the ARRO Equity and Inclusion Subcommittee and is passionate about DEI in radiation oncology. She is excited to work with other SWRO members to promote and advance issues important to women and gender minorities within our field.


Christina Small, MD, MPH
Events & Outreach Chair
Medical College of Wisconsin

Christina Small is a PGY-4 radiation oncology resident at the Medical College of Wisconsin. She attended undergrad at the University of Illinois Urbana- Champaign, obtained a Masters of Public Health at Loyola University Chicago, and completed medical school at Loyola Stritch School of Medicine. She is passionate about cervical cancer disparities and outcomes research, gender equity, and global health. She is excited to join the SWRO executive committee as the Events & Outreach Chair and bring together gender minorities in radiation oncology to connect and collaborate with one another. 

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Danielle Cerbon, MD
Communications Chair
University of Miami, Florida 

Danielle Cerbon is a PGY-3 resident at the University of Miami/Jackson Memorial Hospital. She grew up in Mexico City, where she completed medical school at Universidad Anahuac School of Medicine, graduating in October 2018. She then moved to America to join the George/HBOC lab at the University of Miami as a research fellow to study hereditary breast and ovarian cancer in underrepresented populations and then completed her Intern year in the general surgery program at Jackson Memorial Hospital. 

As the first female doctor in her family, her dreams of pursuing a career in oncology as an IMG were possible thanks to her female mentors who guided and sponsored her throughout the process. Now, as chair of the SWRO communications committee, she is passionate to provide a platform to connect female and gender minority radiation oncologists and physicists with one another, and is excited to feature all the talents that our field harbors, with the goal of helping each other grow and succeed.

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Katarina Nguyen, MD
Mentorship Chair, Residents
University of Rochester, NY

Katarina Nguyen is a PGY-3 Radiation Oncology Resident at University of Rochester. She earned a BS in Molecular and Cellular Biology from Johns Hopkins University graduating in 3 years with Departmental Honors and worked for a year as a Research Coordinator and Technologist at Johns Hopkins Hospital. She earned her MD at University of Wisconsin School of Medicine and Public Health, where she received a full academic scholarship and earned a Path of Distinction in Research. Having been born and raised in Seattle, Washington, then moving to Baltimore then Madison, she continues to enjoy making her way around the country, now in upstate New York. Her hobbies include various sports, hiking, eating, music festivals, and mentoring others. She has also earned the titles of Miss Washington Earth (2016), Miss Madison-Capital City (2017-2018) and Miss Vietfest United States (2015) which have allowed her unique opportunities including visiting the White House, speaking to Mayor Bowser in DC and advocating for gender equity, and creating mentorship programs through her leadership positions to inspire the future generations. She is excited to serve on SWRO Executive Committee to foster successful women and gender minorities in the field of Radiation Oncology.


Winnie Wong, MD

Mentorship Chair, Attendings

Winnifred (Winnie) Wong, D.O.,  attended Boston University on an Air Force ROTC scholarship, and graduated magna cum laude in 2002 with a major in French language and literature, a minor in Mandarin Chinese, and pre-med.  She then served as an active duty Logistics Readiness Officer at Eielson AFB AK for a little over two years.  She then attended Midwestern University-Arizona College of Osteopathic Medicine in Glendale, AZ, graduating 2008.  She did a preliminary transitional intern year at St. Petersburg General Hospital in St. Petersburg, FL, and then did her radiation oncology residency at the University of Washington Medical Center in Seattle, WA, serving as Chief Resident 2012-2013, and graduating in 2013.  She was the recipient of the Roger E. Moe Multidisciplinary Breast Cancer Fellowship her last year of residency, with a focus on the role of radiotherapy for patients with certain stages of disease who received neoadjuvant chemotherapy and mastectomy.  She was a staff physician and community outreach coordinator for the hospital cancer committee at the San Antonio Military Medical Center in San Antonio, TX 2013-2017, then transferred to David Grant Medical Center at Travis AFB CA, where she is now the Joint Radiation Oncology Clinic Director, and the chair of the hospital cancer committee and the lead for all tumor board CME.  She is currently completing a medical acupuncture course to enhance her medical practice and the lives of her patients.  She has a focus on screening, education, and prevention, and enjoys spending time in the amazing northern California outdoors with her two dogs, Melly and Norman.


Rebecca Krc, DO
Membership Chair
University of Maryland

Rebecca Krc (pronounced “Kerch”) is a PGY-4 Radiation Oncology resident at University of Maryland in Baltimore, MD. She is originally from St. Louis, Missouri, and completed her undergraduate degree in Biology and Chemistry in Arkansas. She graduated medical school in 2018 from Kirksville College of Osteopathic Medicine, and completed her Intern Year in Kansas City, MO in 2019.   


With much support from female mentors throughout her training, she is excited to serve as the SWRO membership chair to foster similar relationships among women in the field both across the country and internationally. She has a passion for and interest in access to care for underserved patient populations, and hopes to help advocate for women in the field as well as seek improvements in work life balance.


Katie Lichter, MD, MPH
Scholarship/Research Chair
University of San Francisco, California

Katie is a PGY-3 radiation oncology resident at UCSF in California. Prior to attending medical school at Loyola University, she spent two years in Central America focused on community development, environmental health, and access to care before pivoting to an e-commerce company in Nairobi, Kenya utilizing mobile technology to connect patients to healthcare essentials. During her time in medical school, she attended Johns Hopkins and completed a Master’s in Public Health degree with concentration on epidemiology, biostatistics, and health disparities. She is passionate about advancing the growth of an equitable and inclusive environment within the field of radiation oncology. Through SWRO, she hopes to bring a platform and voice to patients, trainees, and professionals traditionally underrepresented. 


Claire Baniel, MD
Advocacy Chair - Physician
Stanford, Palo Alto, California

Claire Baniel is a PGY-3 at Stanford in Palo Alto, California. She also serves as Health Equity Chair for the Stanford Resident Safety Council. She is originally from Green Bay, Wisconsin and attended Michigan State University where she attained baccalaureate degrees in Chemistry and Human Biology with a specialization in Health Promotion. She graduated from the University of Wisconsin School of Medicine and Public Health in 2020, and had the opportunity to complete a Howard Hughes Medical Institute Fellowship studying endogenous antibody responses following combination radiation and immunotherapy treatment. She completed her medicine internship at St Mary’s Medical Center in San Francisco, California, where during the ongoing covid pandemic she developed a passion for and came across many opportunities for patient advocacy. She served as the resident representative on the St Mary’s Ethics Committee, and is interested in helping patients navigate complex goals of care discussions and advanced care planning. As SWRO’s Physician Advocacy Chair, Claire is passionate about improving the wellbeing of physicians, increasing the presence of underrepresented groups in medicine through medical education, delivering care with compassion and kindness, and above all serving as a fierce advocate for all patients. She is honored to work with SWRO to connect with physicians, physicists, and trainees across the country to achieve these goals.

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Afua Yorke, PhD
Advocacy Chair - Physics
University of Washington

Afua Yorke is a Medical Physics resident at the University of Washington in Seattle. Her main areas of interest are global oncology, education and clinical medical physics practice. Dr. Yorke is a member of the American Association of Physicists in Medicine (AAPM). She is one of the recipients of 2021 Winter Institute of Medical Physics Global Scholars Research Award for Excellence for her work to investigate Medical Physics Quality Assurance in radiotherapy centers in Africa and most recently to the prestigious AAPM Science Council Associate Mentorship Program (SCAMP). Prior to her residency Dr. Yorke was a visiting professor at Oberlin College in Ohio where she taught introductory and senior level physics to students and also to introduce them to the medical physics profession. She has held adjunct professor positions in several community colleges in the state of Michigan.  Dr. Yorke is the director of STEM education for the Girls Excellence Movement an NGO aimed at mentoring young girls in underserved areas in Ghana (

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Joy Ogunmuyiwa, MD, MPH
Diversity, Equity, and Inclusion Chair
New York Presbyterian, New York

Joy Ogunmuyiwa is a PGY-3 Radiation Oncology resident at New York Presbyterian Brooklyn Methodist in New York. Her interests are primarily in access to tertiary healthcare in low-income and resource-poor settings as well as the design, implementation, and review of evidence-based health systems and interventions.

Prior to her residency, Dr Ogunmuyiwa completed her Masters in Public Health at Harvard University where her research focused on the social and behavioral determinants of health, the widening inequality within the global health architecture, and designing equitable responses in global health challenges.

She is excited to serve as the SWRO Diversity, Equity, and Inclusion chair to bring together members of different backgrounds and perspectives and shed light on what it means for us as an organization to embrace diversity and foster environments for inclusion.


Amanda (Amy) Khan, MSc, MD, PhD 
Diversity, Equity, and Inclusion Co-Vice Chair
Tom Baker Cancer Centre, University of Calgary, Alberta, Canada

Amanda (Amy) Khan is a PGY-4 radiation oncology resident at the University of Calgary in Alberta, Canada whose RO department is located at the Tom Baker Cancer Centre. She completed her undergraduate and Master’s degree in Medical Biophysics at Western University and then graduated from the MD/PhD program at the University of Toronto. Originally born in Trinidad and Tobago, Amanda immigrated to Canada and settled in Toronto where she lived in Rexdale. Here, she saw first-hand the role that socioeconomic factors and ethnicity plays in experiencing systemic barriers to entry to higher degree/professional programs. To this end, she helped expand the Community of Support at the University of Toronto’s Medical School which is a longitudinal program that supports students who are Indigenous, Black, Filipino, economically disadvantaged, or who self-identify with having a disability apply to medical school through mentorship, enrichment and leadership opportunities. Amanda is now excited to develop and implement strategic plans and calls to action to increase the diversity of residents and staff in the field of radiation oncology to foster an inclusive and safe environment that celebrates all ethnic, sexual orientation and gender identities.

Elizabeth Germino, MD, PhD 
Diversity, Equity, and Inclusion Co-Vice Chair
City of Hope, California
No pronouns [Elizabeth/Elizabeth's, Dr. Germino/Dr. Germino's] and she/her

Elizabeth Germino is a PGY-5 radiation oncology resident at City of Hope in Duarte, CA. Elizabeth grew up in the Northeast, earned a bachelor’s degree in Biology with a second major in Italian from Washington University in St. Louis, continued at Wash U in the Medical Scientist Training Program earning a PhD in Immunology, and has now moved to the West Coast for residency. The most rewarding activity for Elizabeth as a resident has been participation in the ARRO Equity and Inclusion Subcommittee. As a member, Elizabeth has contributed to the development of a mentorship program for underrepresented groups in medicine/radiation oncology (and their allies) as well as those with interests in healthcare disparities. Elizabeth is enthusiastic to continue work that promotes diversity, equity and inclusion within SWRO as well as the field of Radiation Oncology as a whole. 


Senior Advisory Committee Members

Elizabeth B. Jeans, MD - Chair/Vice Chair

Adrianna Masters, MD - Communications

Parul Barry, MD - Advocacy

Jennifer Novak, MD,MS - Events

Jenna Kahn, MD - Research

Gabrielle Peters, MD - Membership

Sumi Sinha, MD - Mentorship

Hina Saeed, MD - DE&I

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