Qingyun Dan Lab | Johns Hopkins University

Team

PI

Qingyun Dan (但青云), Ph.D.

Assistant Professor, Departments of Chemical and Biomolecular Engineering & Oncology, Johns Hopkins University, 2026 – Now

Faculty Member, Sidney Kimmel Comprehensive Cancer Center of Johns Hopkins (SKCCC), 2026 – Now

Ph.D. in Biochemistry, University of Michigan, 2017

B.S. in Biological Science, Peking University, 2011

Contact: qdan@jhu.edu


Postdocs

Zhen Zhang (张震), Ph.D.

Ph.D. in Chemical Engineering, Tsinghua University, 2025

Zhen’s research interests focus on metabolic engineering, synthetic biology, and the integration of biological and chemical catalysis for the sustainable production of valuable chemicals. He is particularly interested in developing innovative strategies to expand the biosynthetic capabilities of engineered microorganisms. Outside the lab, he enjoys working out, hiking, traveling, and exploring new places.

Contact: zzhan437@jh.edu

Erjuan Zhao (赵尔娟), Ph.D.

Ph.D. in Biology, Nanjing University, 2025


Graduate students

Andrew Jubintoro, PhD Student

B.S. in Biochemistry, UCLA, 2024

Andrew is interested in enzyme engineering with a focus on modular polyketide synthase-based platforms for the biosynthesis of chemicals. In his free time, he enjoys reading fantasy novels, practicing archery, and playing board games.

Contact: ajubint1@jhu.edu

Jason Chang, MSE Student

B.S. in Biochemistry, University of Minnesota, 2025

Jason is an enzyme enthusiast who enjoys reading, writing, and playing hockey in his free time. He is originally from Woodbury, Minnesota and is interested in the potential of enzyme and protein engineering for building a greener and healthier future. 

Contact: jchan149@jh.edu

Yifei Song (宋毅飞), MSE Student

B.S. in Chemical Engineering, Guangdong Technion – Israel Institute of Technology (GTIIT), 2026

Yifei was born in Henan, China and grew up in Guangzhou. He likes reading, listening to music, and playing video games. During his undergraduate years, he was involved in research in environmental engineering and synthetic biology. His current research interests are metabolic engineering, as well as the fields of enzymes and proteins.

Contact: ysong121@jh.edu

Shannon Yingshan Chen (陈映珊), MSE Student

B.S. in Bioprocess Engineering, SUNY College of Environmental Science and Forestry, 2026

B.Eng. in Biological Engineering, Beijing University of Chemical Technology, 2026

Shannon spent three years in Beijing and one year in Syracuse through an undergraduate cohort program. She is interested in protein and peptide design, particularly using computational tools to study protein structure and interactions. Outside the lab, she enjoys playing the piano and rhythm games.

Contact: ychen835@jh.edu


Cat assistant

Ciel

Cat assistant who majors in sleeping, eating, purring and biting Dan when he feels like it. Occasionally he takes care of Dan in return by asking him to play together and kindly trying to share food.