Jack: Email & Phone Number

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Member of Technical Staff at Anthropic|Alameda, California, United States

Position:

Member of Technical Staff at Anthropic

Location:

Alameda, California, United States

View Jack's Email

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Last updated: 2026-10-29

Updated: 2026-10-29

Found email addresses for Jack:

Business emails:

j**k@fb.com,

j******o@justin.tv,

j**k@cresta.com

Personal emails:

c****1@gmail.com,

u**r@hotmail.com,

j********d@cs.com

Found phones for Jack:

+1-205-***-**56,

+1-323-***-**11

Prospect analytics

Current work details

DepartmentVenture Capital & Private Equity

Availability

TimezonePST

Best time to contact12:00 PM – 4:00 PM

A different Jack?

Work Experience 26 years

Member of Technical Staff at Anthropic

Aug 2024 - Current

Member of Technical Staff at xAI

Apr 2024 - Aug 2024

Head Of Infrastructure at Cresta

Jan 2020 - Apr 2024

Software Engineer at Twitch

Jun 2016 - Aug 2019

Software Engineer at SignalFx (acquired by Splunk)

Jun 2013 - Apr 2016

Software Engineer at Meta

Jun 2008 - Dec 2012

Software Engineer Intern at Intuit

May 2007 - Aug 2007

Software Engineer Intern at VERISIGN

May 2006 - Aug 2006

Summer Intern at Texas Instruments

May 2000 - Aug 2000

Jack started working in 2000, then the employee has changed 8 companies and 4 jobs. On average, Jack works for one company for 2 years.

Their professional focus is Algorithms, Amazon Dynamodb, and Amazon EC2 across 3 core areas.

Jack has registered patents, including "Distributed Storage System, Quantization of Data Streams of Instrumented Software, and Real-time reporting based on instrumentation of software" and has been awarded ACM ICPC finalist and USACO finalist

Education

Master of Science (MS) at The University of Texas at Dallas

Bachelor of Science (BS) at University of North Texas

Frequently Asked Questions

What is Jack's email address?

SignalHire found verified email addresses for Jack, both business and personal. Their business email is j**k@fb.com, and personal emails include c****1@gmail.com, u**r@hotmail.com, and j********d@cs.com.

What is Jack's phone number?

SignalHire found multiple verified phone numbers for Jack: +1-205-***-**56, and +1-323-***-**11.

How do I contact Jack at Anthropic?

You can reach Jack 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 Jack's professional background?

Jack has 26 years of professional experience. They have held roles including Member of Technical Staff, Head Of Infrastructure, and Software Engineer at companies such as xAI, Cresta, and Twitch. Their education includes Master of Science (MS) from The University of Texas at Dallas, and Bachelor of Science (BS) from University of North Texas.

Is Jack's contact information up to date?

Yes. Jack's SignalHire profile was last updated on 29 October 2026, reflecting their current position as Member of Technical Staff at Anthropic.

Jack Namesakes

Name

Company

Position

Jack

Focal Point Strategy Group

Senior Associate

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Jack

Jack D. Inc.

CEO

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Jack

Herzoff Systems

CEO

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