Zichen Zhang

Zichen Zhang

Former RA @ Minji Lab, @ UM-DBI Lab | Co-Founder @ Collage

University of Michigan

About Me 👋

I’m a third-year undergraduate student at the University of Michigan, majoring in Computer Science. I’m passionate about training unified foundation models that accept multimodal inputs, including touch, images, videos, language, and audio. I’m enthusiastic about building efficient multimodal models by efficiently fine-tuning pre-trained unimodal models using a limited amount of downstream data and improving unimodal accuracy by transferring representations learned from other modalities.

I’ve designed efficient algorithms that handle large amounts of data, including the MIA-Sort algorithm, and I was fortunate to be advised by Professor Minji Kim at the Minji Lab. I also implemented a study to find factors influencing Brain-Computer Interface (BCI) system’s performance on people with physical impairments, and I was honored to be advised by Dr. Jane Huggins at the Direct Brain Interface (UM-DBI) Laboratory.

I’m also interested in entrepreneurship and web technologies. I co-founded Collage, an EdTech startup to assist students with course scheduling using LLM agents, and I’m currently leading the tech team as its CTO. Follow our LinkedIn for more information.

📢 Feel free to contact me at zhangzzc@umich.edu. I’m always open to a coffee chat.

🎨 View my Chinese calligraphy and photography works here!

Interests
  • Unified foundation models
  • Efficiently fine-tuning using little downstream data
  • Transfer learning from other modalities
Education
  • B.S. in Computer Science, Present

    University of Michigan

Projects

* denotes equal contribution

*
VTMo: Unified Visuo-Tactile Transformer Encoder with Mixture-of-Modality-Experts

Zichen Zhang, Peihao Li, Yuan Cheng.

We introduce VTMo, a modular Vision-Touch Transformer encoder that unifies dual-encoder flexibility with fusion-encoder accuracy through a shared self-attention mechanism and modality-specific/cross-modal experts. VTMo supports image-only, touch-only, and vision-touch fusion tasks, offering versatility for speed or accuracy requirements. Our method achieves competitive performance on the Image-to-Touch Retrieval task while reducing training time and computational complexity.
VTMo: Unified Visuo-Tactile Transformer Encoder with Mixture-of-Modality-Experts
Babysitting a Small Language Model through One-Step Tree-of-Thoughts Knowledge Distillation

Anurag Renduchintala*, Adi Mahesh*, Zichen Zhang*, Zimo Si*, Shangjun Meng*, Samuel Fang*.

We introduce the One-Step Tree-of-Thoughts framework, a simplified prompting method that distills multi-step reasoning into a single structured prompt, and demonstrates how knowledge distillation can transfer this reasoning capability from Large Language Models to Small Language Models with much less parameters, enabling significant improvements reasoning performance, beating GPT-4o and GPT-4, as shown on the model's performance on Game of 24.
Babysitting a Small Language Model through One-Step Tree-of-Thoughts Knowledge Distillation
GenHint (🏆 MHacks 2024 Best Developer Tool Winner)

Zichen Zhang*, Peihao Li*, Tongyuan Miao*, Yuchen Huang*.

Unlike conventional AI coding assistants like GitHub Copilot, GenHint does not give you codes directly. Instead, it generates code templates with "TODO" comments and explains each subproblem for you. It's powered by Llama-3-70B model hosted on Groq. Download GenHint at VS Code Extensions.
GenHint (🏆 MHacks 2024 Best Developer Tool Winner)
Collage: An AI-Driven Education Technology Platform

Max Feldman*, Alex Wang*, Zichen Zhang*, Jaden Sun*.

Accessible via your edu Google account, Collage is an AI-driven education platform designed to enhance academic planning and career exploration for University of Michigan students. The platform features a personalized, Pinterest-like course catalog tailored to individual academic interests and career goals, an AI advisor to assist with scheduling decisions, and a social networking system for sharing schedules and connecting with peers.
Collage: An AI-Driven Education Technology Platform
MIA-Sort: Multiplex Chromatin Interaction Analysis by Efficiently Sorting Chromatin Complexes

Zichen Zhang, Minji Kim.

MIA-Sort is a Python bioinformatics tool for efficiently extracting and sorting chromatin complexes from large datasets like Hi-C and Pore-C, enabling researchers to analyze chromatin loops, stripes, jets, and hubs to study loop extrusion.
MIA-Sort: Multiplex Chromatin Interaction Analysis by Efficiently Sorting Chromatin Complexes

Experience

 
 
 
 
 
Collage
Co-Founder & CTO
April 2024 – Present Hybrid
Applying LLMs, prompt engineering and recommendation algorithms to transform college experience
 
 
 
 
 
U-M Minji Lab
Research Intern
May 2024 – August 2024 Ann Arbor
Developed MIA-Sort, an efficient sorting algorithm that reads a dataset of 4 billion chromosome genome-scale metabolic models (GEMs) fragments and ranks them in different schemes
 
 
 
 
 
Michigan Hackers
Core Member
September 2022 – Present Ann Arbor
Helped to build MWalk, an Android mobile app written in Java that tracks U-M students’ walking workouts, speed and distance, using Health Platform API and Firebase
 
 
 
 
 
U-M Direct Brain Interface Laboratory
Research Intern
September 2022 – May 2023 Ann Arbor
Deployed the branch logics of the brain-computer interface survey instrument in Qualtrics hosted on JavaScript Form Engine and implemented the automated user interaction functionalities in JavaScript and JavaScript APIs

Awards

University of Michigan
University Honors
Received for 4 terms: 12/19/22, 04/27/23, 12/15/23, 05/02/24
See certificate
University of Michigan
James B. Angell Scholar
Students who achieve an “A” record for two or more consecutive terms
See certificate
University of Michigan
William J. Branstrom Freshman Prize
First-term freshmen who rank in the upper 5%
See certificate

Fun Facts

  • My Chinese name is 张紫宸. In Chinese, 'Zi' (紫) means 'purple,' which traditionally represents nobility, elegance, and auspiciousness. 'Chen' (宸) refers to a palace or the residence of an emperor, symbolizing dignity and grandeur. Together, the name 'Zichen' conveys a sense of royalty, grace, and aspiration for greatness.

  • I was born and raised in Zhangjiagang, a small city close to Suzhou, China. I studied at the Jiangsu Provincial Liangfeng Senior Middle School (梁丰高中) International Department (now named International Academy) in China before transferring to Rochester Adams High School in Rochester Hills, Michigan. Go Highlanders!

  • I love Chinese calligraphy and I started learning it since elementary school. Please follow me on Instagram to see more of my works!

Photography

Capture Moments in Life