Staff

Arlise Andress, PhD
Senior Staff Scientist
- Email: arlise@wustl.edu
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
- Email: li-yun@wustl.edu
MSc, Biochemistry and Molecular Biology: National Cheng Kung University, Taiwan (2015)
PhD, Cell and Tissue Engineering: Keele University, UK (2019)

Rebecca Freeman
Undergraduate Student

Kayla King
Senior Research Technician
Education
- BS, Biology & Chemistry: Drury University, Springfield, MO (2016)
- MS, Biology: Missouri State University, Springfield, MO (2019)
Kayla is a recent masters graduate, working in the Markovina Lab before entering into a cancer related PhD program.

Paris Limberatos
Undergraduate Student

Ethan Memming
Lab Technician
I'm a senior undergraduate here at WashU studying chemistry with a focus in biochemistry, and minoring in mathematics. I started in the Markovina lab in the Fall of 2022, and I'm taking a gap year after graduating to research and help aide my decision between graduate or medical school.

Jonathan Moore
Post-baccalaureate Research Assistant

Victoria Shi
Lab Technician and BioSURF Fellowship Awardee

Aaron Silvus
Medical Physics PhD Program Student
- Email: a.k.silvus@wustl.edu
Aaron is a PhD student in the Medical Physics program co-mentored by Dr. Stephanie Markovina and Dr. Michael Altman at Washington University in St. Louis. He earned his B.S. in Physics at Missouri University of Science and Technology in 2019 and a Master of Science in Medical Physics at Washington University in St. Louis in 2022.
Aaron is currently focusing on developing a preclinical cell irradiator platform to be used with a clinical high dose rate (HDR) brachytherapy afterloader. A goal of his project is to investigate abscopal effects arising from the combination of brachytherapy and immunotherapy.

Min Tan
Senior Technician
- Email: tanmin@wustl.edu
Education
- BS, Electronics: Sichuan TV University, P.R. China (1982)
Min Tan has a decade and a half of experience in biomedical research and has been at Washington University since 2004. She joined the Markovina lab as a senior technician in 2017.

Songyan Wang, MD, PhD
Senior Scientist

Jasmine Yang
Undergraduate Researcher
Jasmine is an undergraduate student at WashU studying Neuroscience with a minor in Environmental Earth Science. She hopes to attend medical school after graduation.

Lena Zein
Administrative Assistant
- Email: lena.a@wustl.edu
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.