Siroun Johnson
Mechanical Engineering Intern at Cellino Bio | Payload Co-Lead at Columbia Space Initiative | Former Student-Athlete at Columbia University | Aspiring Mechanical Engineer
- Role
- Mechanical Engineering Intern at Cellino
- Location
- New York, NY, US
- LinkedIn followers
- 500 followers
About Siroun Johnson
I am currently a junior at Columbia University majoring in Mechanical Engineering…
Experience
Mechanical Engineering Intern
Jun 2025 — Present · Cambridge, MA, US
Designed and prototyped a proof-of-concept media sampler to monitor key cell culture analytes (glucose, lactate, CO₂, O₂, pH), integrating mechanical, software, and bioengineering approaches- Calibrated and deployed fiber optic and biochemical sensors, troubleshooting both hardware and software to ensure accurate data collection- Conducted independent lab experiments to validate prototypes, despite entering the internship with no prior bioengineering experience- Collaborated closely with scientists, engineers, and software developers to integrate sampling hardware into NEBULA™, Cellino’s automated iPSC manufacturing platform- Presented final prototype and results in a company-wide presentation, demonstrating proof-of-concept functionality and future application potential- Strengthened cross-disciplinary communication skills by bridging mechanical engineering design with biological experimentation in a fast-paced startup environment.
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