Group Members "The Zhang Gang"
Postdoctoral Researchers
Dr. Samim Sahaji
Email: ssahaji@ucsb.edu
2026-Present: Postdoctral Researcher
Samim Sahaji is a Postdoctoral Research Fellow in Prof. Liming Zhang’s group at UC Santa Barbara, where he joined in December 2025. He earned his PhD in Organic Chemistry from the Bose Institute, India, under the supervision of Prof. A. K. Misra, with research focused on stereoselective oligosaccharide synthesis. His research interests include carbohydrate chemistry, glycosylation methodology, and functional glycans.
Dr. Youshao Tu
Email: youshao_tu@ucsb.edu
2025-Present: Postdoctral Reseacher
Youshao joined in October 2025 and he is currently a postdoctoral researcher. In his spare time, Youshao enjoy playing basketball.
Dr. Qing Zhang
Email: qing_zhang@ucsb.edu
2021-Present: Postdoctoral Associate
Qing received his Ph.D. from Lanzhou University under the supervision of Prof. Yong-Qiang Tu. His doctoral research focused on asymmetric catalysis and the total synthesis of natural products. His current research interests include carbohydrate chemistry, stereoselective glycosylation, and the development of new synthetic methodologies for complex glycans and glycosylated bioactive molecules.
Graduate Students
Youwei Yin
Email: youwei_yin@ucsb.edu
2024-2025: Undergraduate Research Assitant
2025-Present: Graduate Student
Youwei graduated from Xiamen University in 2025 under the guidance of Prof. Longwu Ye and worked at UCLA under the guidance of Prof. Ohyun Kwon during 2023-2024. He joined Zhang Lab in 2024 as a research assistant and become a graduate student in September 2025. Youwei loves Rock and Hip-Hop music and enjoys making them. He also has some professional experiences in Apex Legends and League of Legends. Besides, Youwei is a bodybuilder and soccer player, a crazy fan of Manchester United.
Undergraduates and Exchange Researchers
Trishelle Tsai
Email: j_tsai@ucsb.edu
2023-present: undergrad, junior
Status: alive
Interest: transition metal catalysis, total synthesis
Likes: sleeping, eating, working in the lab
Hates: onions
Hobbies: singing, living
Weakness: memorizing, socializing, quantum mechanics
Chris Choi
Email: choi539@ucsb.edu
2026-Present: Undergraduate Researcher
Chris is a third-year undergraduate at UC Santa Barbara, pursuing a major in chemistry. Outside of class and studying for chemistry, he enjoys surfing, hiking, and practicing his guitar.
Linh Nguyen
Email: l_nguyen@ucsb.edu
2024-Present: Undergraduate Researcher
Linh Nguyen is a fourth year undergraduate student currently pursuing a B.S. in chemistry. She joined the Zhang Lab in 2024. Outside of lab she enjoys baking, going on walks, and watching tv with her friends.