Stephanie Markovina, MD, PhD

Principal Investigator
Assistant Professor of Radiation Oncology


  • Baccalaureate, Biology: Washington University in St. Louis, St. Louis, MO (2001)
  • PhD, Cellular and Molecular Biology: University of Wisconsin Madison, Madison, WI (2008)
  • MD: University of Wisconsin School of Medicine & Public Health, Madison, WI (2010)
  • Internship: Medical College of Wisconsin, Milwaukee, WI (2011)
  • Residency, Radiation Oncology: Barnes-Jewish Hospital/Washington University School of Medicine, St. Louis, MO (2015)

Dr. Markovina is a board certified radiation oncologist specializing in the treatment of gynecologic cancers and thyroid cancer.  She has a long-standing passion for translational research and is building the lab to study critical signaling mechanisms that make some cancers resistant to therapy.

Arlise Andress, PhD

Post-Doctoral Research Associate

BA, Biology (Specialization in Molecular Biology):  The University of Chicago, Chicago IL (2004)

PhD, Interdepartmental Biological Sciences:  Northwestern University,  Evanston IL (2015)

Liyun (Michelle) Chen, PhD

Post-Doctoral Research Associate

MSc, Biochemistry and Molecular Biology: National Cheng Kung University, Taiwan (2015)

PhD, Cell and Tissue Engineering: Keele University, UK (2019)

Victoria Shi

Undergraduate Student and BioSURF Fellowship Awardee

Victoria Shi is an undergraduate student at Washington University in St. Louis majoring in biology. She hopes to attend medical school after graduation.

Marlene Campos Guerrero

Graduate Student Researcher

Marlene Campos Guerrero is a first-generation Latina graduate student in the Cancer Biology Program at Washington University in St. Louis. She earned her B.S. in Microbiology from Kansas State University in 2019.

Marlene is interested in using an interdisciplinary and holistic approach to develop improved technologies for detection and treatment of cervical cancer. In addition to labwork, Marlene is interested in bridging the gap between the scientific community and the public with an interest in science communication and outreach.

Alexander Cohen, MD

Gynecologic Oncology Surgery Fellow

Alex Cohen is a gynecologic oncology fellow at Washington University in St. Louis. He completed his OBGYN residency at the University of Alabama in Birmingham. His research focuses on generating preclinical models to study clinically-relevant molecular subtypes of endometrial cancer.

Shreya Kuchipudi

Undergraduate Researcher

Shreya Kuchipudi is an undergraduate student at WashU, majoring in Biology (in the Neuroscience track) and pursuing a minor in Women, Gender, and Sexuality Studies. She hopes to attend medical school after completing her undergraduate studies.

Sarah Govert

Undergraduate Researcher

Sarah Govert is an undergraduate at Washington University in St. Louis majoring in Biology with a focus in Computational Biology and Genomics and minoring in Bioinformatics. She hopes to attend medical school after graduation.

Lena Zein

Administrative Assistant

I was born in Lebanon and raised in several different countries as my parents loved to travel. I enjoy diversity and meeting people from all over the world. St. Louis is my home and I love everything about it. I graduated from the American College in London with a B.S. in Business Administration and a minor in Managing Information Systems.  In my free time, I love to read, write, socialize with people and travel/discover different parts of the world. I have worked as an Administrative Assistant for 22 years and I enjoy and love being able to make life easier for others. Making a difference in life in any form is my main goal and objective.

Former Lab Members

Songyan Wang, MD, PhD

Senior Scientist


  • MD: Chongqing Medical University, Chongqing, P.R.China (1985)
  • Residency, Pediatrics: YaAn People’s Hospital, YaAn City, Sichuan, P.R. China (1985-88)
  • PhD, Medicine: Chongqing Medical University, Chongqing, P.R. China (1998)

Dr. Songyan Wang was a practicing pediatrician in the Peoples’ Republic of China for over a decade until coming to St. Louis in 2001, where she joined the research community at Washington University. After several years in the Department of Endocrinology, Songyan joined the Markovina lab in 2015.

Rebecca Freeman

Undergraduate Student

Rebecca Freeman is a senior at WashU majoring in microbiology. After graduating, she will continue working in research with the hopes of going onto graduate school to earn a PhD in a biological science field.

Jonathan Moore

Post-baccalaureate Research Assistant


  • BS, Biology: Tougaloo College, Tougaloo, MS (2016)
  • Post-Baccalaureate, Biology: Washington University in St. Louis (2016-present)

Jonathan is on the road to a career in medicine and science and joined the Markovina lab during his post-baccalaureate studies at Washington University, before applying to medical school.

Paris Limberatos

Undergraduate Student

Paris Limberatos is a premed student at Saint Louis University with plans to attend medical school next year.