Gemma: Email & Phone Number

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Product Manager at Stealth Startup|Cambridge, Massachusetts, United States

Position:

Product Manager at Stealth Startup

Location:

Cambridge, Massachusetts, United States

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Last updated: 2026-06-25

Updated: 2026-06-25

Found email addresses for Gemma:

Business emails:

**@harmonic.ai

Personal emails:

l******2@gmail.com

Found phones for Gemma:

+1-909-***-**80,

+1-623-***-**09

A different Gemma?

Work Experience 6 years

Product Manager at Stealth Startup

Mar 2024 - Current

Research Assistant at Berkman Klein Center for Internet & Society at Harvard University

Feb 2024 - Apr 2024

Strategy Consultant at Savills

Jul 2023 - Sep 2023

Strategy Consultant at Roland Berger

Jan 2022 - Mar 2022

Strategy Consultant at United Nations

Mar 2021 - Jun 2021

Research Assistant at Tsinghua University

Aug 2020 - Nov 2020

Gemma started working in 2020, then the employee has changed 5 companies and 2 jobs. On average, Gemma works for one company for 7 months.

Their professional focus is 3D Modeling, Adobe Creative Suite, and C (Programming Language) across 3 core areas.

Education

Master in Design Studies at Harvard University

Bachelor of Arts at Tsinghua University

Frequently Asked Questions

What is Gemma's email address?

SignalHire found verified email addresses for Gemma, both business and personal. Their business email is **@harmonic.ai, and personal emails include l******2@gmail.com.

What is Gemma's phone number?

SignalHire found multiple verified phone numbers for Gemma: +1-909-***-**80, and +1-623-***-**09.

How do I contact Gemma at Stealth Startup?

You can reach Gemma 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 Gemma's professional background?

Gemma has 6 years of professional experience. They have held roles including Research Assistant, Strategy Consultant, and Strategy Consultant at companies such as Berkman Klein Center for Internet & Society at Harvard University, Savills, and Roland Berger. Their education includes Master in Design Studies from Harvard University, and Bachelor of Arts from Tsinghua University.

Is Gemma's contact information up to date?

Yes. Gemma's SignalHire profile was last updated on 25 June 2026, reflecting their current position as Product Manager at Stealth Startup in San Francisco, California, United States.

Gemma Namesakes

Name

Company

Position

MaGemma

BDO Unibank

Service Officer

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Gemma

University of Toronto

Marketing and Communications Offcer

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Gemma Rayner

Guardian Australia

Human Resources

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