Ryan Wen
Walnut
Summary
Machine Learning Intern and USACO Platinum competitor specializing in data preprocessing and algorithm optimization. Engineered clinical audio and ECG pipelines at Dasion, supporting diagnostic models deployed to over 2,000 patients. Proficient in Python, C++, and full-stack application development.
Overview
4
4
years of professional experience
Work History
Co-founder & President
DBHS Hackathon Club
09.2023 - Current
- Mentored 4 teams for Congressional App Challenge, leading all teams to successful submissions, with one team winning Grand Challenge.
- Founded school's first Hackathon club, increasing membership to 90 students and enhancing accessibility to computer science.
- Designed puzzle-based curriculum, pairing beginners with advanced mentors to cultivate fundamental debugging skills.
Paid Machine Learning Intern
Dasion
Pomona
10.2022 - 08.2025
- Cardiovascular ECG Project: Developed data-preprocessing scripts to organize ECG datasets, contributing to ML pipeline that detects cardiovascular irregularities with 95% accuracy, deployed for over 2,000 patients.
- Audio Pre-Processing: Conducted error analysis on mislabeled data and collaborated to build preprocessing system based on natural speech patterns, achieving system accuracy of 86%.
- PTSD Detection Pipeline: Processed de-identified voice data from recorded therapy sessions, extracting pitch and tone features to enhance telehealth ML model performance.
Treasurer & Member
DBHS Math Team
Diamond Bar
09.2022 - 06.2025
- Managed team budget and tracked expenses regularly.
- Prepared financial reports for team meetings and discussions.
- Coordinated fundraising events to support team activities.
- Provided free mathematical tutoring and mentorship to 20+ elementary and high school students, fostering their academic growth.
- Represented school in state-wide competitions, including CA Math Madness, contributing to team's top 8 placement.
Lead Developer
LockedIn
Diamond Bar
07.2024 - 10.2024
- Developed a study and grade-tracking application utilized by over 100 peers.
- Debugged edge-case input values, revising application logic to effectively handle null ("Missing Assignment") variables.
- Redesigned UI from standard bar graph to interactive journey map, enhancing student motivation and support.
Summer Program Member
Cornell Engineering - Catalyst
Ithaca
07.2024 - 07.2024
- Chosen from 25 students nationwide for competitive engineering summer program.
- Led a 4-person team to win first place in the program's final design challenge.
- Developed autonomous drones for simulated rescue missions and contributed to design of disaster-relief robots.
Education
High School - IB HL2 Math, AP Physics C, AP Literature, AP Civics, Audio Engineering
Diamond Bar High School
Diamond Bar, CA05-2026
Skills
Machine learning
- Data Preprocessing
- Feature Extraction
- Image classification
Model optimizing
- Machine learning
- Data pipeline
- Python
- Java
- C
- Software engineering
- Application Development
Edge-case testing
- Error handling
- Algorithmic Optimization
- Data Analysis
- UI/UX Implementation
- Programming Languages
- Data Analysis
Awards
- USACO Platinum Competitor, National - Promoted 01/26
- Two-Time AIME Qualifier, National
- ACSL Finalist, National
- Congressional App Challenge Innovation Award CA-38, National
- QuestBridge National College Match Finalist, National
Projects
- Lead Developer | LockedIn (Learning Aid App), Developed a study and grade-tracking application utilized by over 100 peers. Debugged edge-case input values and revised application logic to handle null ('Missing Assignment') variables. Redesigned the UI from a standard bar graph to an interactive journey map to motivate and support students.
- Summer Program Member | Cornell Engineering - Catalyst, Selected as 1 of 25 students nationwide for an engineering summer program. Programmed autonomous drones for simulated rescue missions and collaborated on the design of disaster-relief robots. Led a 4-person team to win first place in the program's final design challenge.
Technical Experience
Paid Machine Learning Intern, Dasion, PTSD Detection Pipeline, Processed de-identified voice data from recorded therapy sessions, extracting pitch and tone features to support a telehealth ML model., Audio Pre-Processing, Conducted error analysis on mislabeled data and collaborated to build a preprocessing system based on natural speech patterns, improving system accuracy to 86%., Cardiovascular ECG Project, Developed data-preprocessing scripts to organize ECG datasets, collaborating on an ML pipeline that detects cardiovascular irregularities with 95% accuracy. The diagnostic tool is deployed for over 2,000 patients.
Leadership Experience
- Co-founder & President | DBHS Hackathon Club, Founded the school's first Hackathon club to make computer science accessible, growing membership to 90 students. Designed puzzle-based curriculum and matched beginners with advanced mentors to teach fundamental debugging skills. Mentored 4 teams for the Congressional App Challenge; all teams successfully completed submissions, with one winning the Grand Challenge.
- Treasurer & Member | DBHS Math Team, Represented the school in state-wide competitions, including CA Math Madness, helping the team place in the top 8. Provided free mathematical tutoring and mentorship for 20+ elementary and high school students.
Websites
Languages
Chinese (Mandarin)
Native/ Bilingual
Spanish
Limited
Timeline
Lead Developer
LockedIn
07.2024 - 10.2024
Summer Program Member
Cornell Engineering - Catalyst
07.2024 - 07.2024
Co-founder & President
DBHS Hackathon Club
09.2023 - Current
Paid Machine Learning Intern
Dasion
10.2022 - 08.2025
Treasurer & Member
DBHS Math Team
09.2022 - 06.2025
High School - IB HL2 Math, AP Physics C, AP Literature, AP Civics, Audio Engineering
Diamond Bar High School