John Case: Email & Phone Number

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Large Language Model Trainer at DataAnnotation|San Francisco Bay Area, United States

Position:

Large Language Model Trainer at DataAnnotation

Location:

San Francisco Bay Area, United States

View John Case's Email

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Last updated: 2026-01-07

Updated: 2026-01-07

Found email addresses for John Case:

Business emails:

j***e@dataannotation.tech

Personal emails:

j***@yahoo.com,

c***@aol.com,

c***@hotmail.com

Found phones for John Case:

+1-909-***-**92,

+1-480-***-**27,

+1-623-***-**84,

+1-480-***-**08

A different John Case?

Work Experience 7 years

Large Language Model Trainer at DataAnnotation

Jun 2025 - Current

Associate Test Technician at Element Materials Technology

May 2025 - Aug 2025

Radio Frequency Test Intern at Eridan

May 2024 - Aug 2024

Wireless Testing Technical Support Intern at UL Solutions

May 2022 - Aug 2022

Camp Counsellor at Tribal Wisdom Academy

Jun 2021 - Aug 2021

Instructional Aide at Spectrum School

Aug 2019 - Jun 2021

Camp Counsellor at Addison-Penzak Jewish Community Center

Jun 2019 - Aug 2019

John Case started working in 2019, then the employee has changed 6 companies and 5 jobs. On average, John Case works for one company for 7 months.

Their professional focus is AutoCAD, C#, and C++ across 3 core areas.

Education

Master of Science - MS (in process) at University of Southern California

Bachelor's of Science at California Baptist University

West Valley Community College

Frequently Asked Questions

What is John Case's email address?

SignalHire found verified email addresses for John Case, both business and personal. Their business email is j***e@dataannotation.tech, and personal emails include j***@yahoo.com, c***@aol.com, and c***@hotmail.com.

What is John Case's phone number?

SignalHire found multiple verified phone numbers for John Case: +1-909-***-**92, +1-480-***-**27, and +1-623-***-**84.

How do I contact John Case at DataAnnotation?

You can reach John Case 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 John Case's professional background?

John Case has 7 years of professional experience. They have held roles including Associate Test Technician, Radio Frequency Test Intern, and Wireless Testing Technical Support Intern at companies such as Element Materials Technology, Eridan, and UL Solutions. Their education includes Master of Science - MS (in process) from University of Southern California, and Bachelor's of Science from California Baptist University.

Is John Case's contact information up to date?

Yes. John Case's SignalHire profile was last updated on 7 January 2026, reflecting their current position as Large Language Model Trainer at DataAnnotation in New York, NY, United States.

John Case Namesakes

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Company

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John Case

SA Department for Correctional Services

Director, Asset Services and Risk Management

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John Case

Wagin Panel & Paint

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John Case

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admi manager

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