Seif Hateb

Seif Hateb: Email & Phone Number

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Principal Engineer, Software Security Engineering at Twilio|United States

Position:

Principal Engineer, Software Security Engineering at Twilio

Location:

United States

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Last updated: 2026-05-17
Updated: 2026-05-17

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Work Experience 20 years

Principal Engineer, Software Security Engineering at Twilio

Oct 2021 - Current

Senior Principal, Software Security Engineering at Twilio

Sep 2025 - Current

Board Member at Cybears®

Jan 2021 - Current

Co-Founder at Cybears®

Jan 2021 - Current

Telecom Security Reaserch at GSMA

Aug 2022 - Current

Zero Trust Reasearch at Cloud Security Alliance

Aug 2022 - Current

Post-Quantum Encryption Research at Cloud Security Alliance

Aug 2022 - Current

Principal Architect, Security Engineering at Abbott

Nov 2017 - Nov 2021

Lead Architect, Security Engineering at Ooredoo Group

Dec 2015 - Nov 2017

Director, SecEng at Huawei

Jan 2014 - Jan 2016

Senior Architect, SecEng at Huawei

Jan 2013 - Jan 2014

Lead Software Engineer, Information Security at Various Companies

Jan 2006 - Jan 2013

Seif Hateb started working in 2006, then the employee has changed 9 companies and 12 jobs. On average, Seif Hateb works for one company for 3 years 7 months.

Their professional focus is 5G, Agentic AI, and Agentic AI Security across 3 core areas.

Education

Executive Education at Harvard Business School

Master's degree at 3iL Ingénieurs

Doctor of Philosophy - PhD at Dakota State University

Master's degree at Higher Institute of Information Technology

Master's degree at Institut National de la Poste et des Technologies de l'Information et de la Communication

Bachelor's degree at Institut National de la Poste et des Technologies de l'Information et de la Communication

Bachelor's degree in Mathematics at Université des Sciences et de la Technologie 'Houari Boumediène'

Frequently Asked Questions

What is Seif Hateb's email address?

SignalHire found a verified business email address for Seif Hateb: **@twilio.com.

What is Seif Hateb's phone number?

SignalHire found a verified phone number for Seif Hateb: +1-***-***-0509.

How do I contact Seif Hateb at Twilio?

You can reach Seif Hateb 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 Seif Hateb's professional background?

Seif Hateb has 20 years of professional experience. They have held roles including Senior Principal, Software Security Engineering, Board Member, and Co-Founder at companies such as Twilio, Cybears®, and Cybears®. Their education includes Executive Education from Harvard Business School, and Master's degree from 3iL Ingénieurs.

Is Seif Hateb's contact information up to date?

Yes. Seif Hateb's SignalHire profile was last updated on 17 May 2026, reflecting their current position as Principal Engineer, Software Security Engineering at Twilio in San Francisco, California, United States.

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