Stephen Yi: Email & Phone Number

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Senior Director, MSAT at Ultragenyx|Greater Boston, United States

Position:

Senior Director, MSAT at Ultragenyx

Location:

Greater Boston, United States

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Last updated: 2025-03-04

Updated: 2025-03-04

Found email addresses for Stephen Yi:

Business emails:

y*******n@ultragenyx.com

Personal emails:

s***@ultragenyx.com,

s***@yahoo.com,

s***@aol.com

Found phones for Stephen Yi:

+1-870-***-**76,

+1-480-***-**76,

+1-623-***-**87,

+1-520-***-**29

A different Stephen Yi?

Work Experience 12 years

Senior Director, MSAT at Ultragenyx

Feb 2025 - Current

Director, MSAT at Ultragenyx

May 2023 - Feb 2025

Principal Engineer at Takeda

Mar 2020 - May 2023

Principal Engineer at bluebird bio

Mar 2019 - Mar 2020

Principal Scientist at Momenta Pharmaceuticals

Jan 2017 - Dec 2018

Senior Scientist at Biogen

Oct 2014 - Jan 2017

Stephen Yi started working in 2014, then the employee has changed 4 companies and 4 jobs. On average, Stephen Yi works for one company for 1 year 11 months.

Their professional focus is Biocompatibility, Cross-functional Team Leadership, and Design of Experiments across 3 core areas.

Education

PhD at University of Rochester

Frequently Asked Questions

What is Stephen Yi's email address?

SignalHire found verified email addresses for Stephen Yi, both business and personal. Their business email is y*******n@ultragenyx.com, and personal emails include s***@ultragenyx.com, s***@yahoo.com, and s***@aol.com.

What is Stephen Yi's phone number?

SignalHire found multiple verified phone numbers for Stephen Yi: +1-870-***-**76, +1-480-***-**76, and +1-623-***-**87.

How do I contact Stephen Yi at Ultragenyx?

You can reach Stephen Yi through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Stephen Yi's professional background?

Stephen Yi has 12 years of professional experience. They have held roles including Director, MSAT, Principal Engineer, and Principal Engineer at companies such as Ultragenyx, Takeda, and bluebird bio. Their education includes PhD from University of Rochester.

Is Stephen Yi's contact information up to date?

Yes. Stephen Yi's SignalHire profile was last updated on 4 March 2025, reflecting their current position as Senior Director, MSAT at Ultragenyx in Novato, California, United States.

Stephen Yi Namesakes

Name

Company

Position

Stephen Yi

Ultragenyx

Director, MSAT

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Stephen Yi

Vela Insurance Services (a Berkley Company)

Underwriter

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Stephen Yi

Self-employed

Purchase Coordinator

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Emma Dijo

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Mark Ai

Ultragenyx

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Monika Patel

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Quality Assurance Specialist

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Stephen Stephansky

Ultragenyx

Manager, Biologics & mRNA Manufacturing Management

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Joseph Lee

Ultragenyx

QC Scientist

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Kathleen Martin PhD

Ultragenyx

Program Team Leader

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Peter Murphy

Ultragenyx

Principal Network Architect

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kumar

Ultragenyx

Sr. Network Engineer/ Infrastructure Engineer

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Matthew Core

Ultragenyx

QC CMC Associate Director

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Debbie Fox

Ultragenyx

Internal Communications & Branding Consultant

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