Tom Sinclair: Email & Phone Number

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Chief Information Security Officer at Cross-Sec|Qatar

Position:

Chief Information Security Officer at Cross-Sec

Location:

Qatar

View Tom Sinclair's Email

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Last updated: 2026-06-19

Updated: 2026-06-19

Found email addresses for Tom Sinclair:

Business emails:

t**********r@mod.uk,

*o*@break-point.co.uk,

s******r@mod.uk

Personal emails:

t**********s@yahoo.com

Found phone for Tom Sinclair:

+974-***-***-7899

A different Tom Sinclair?

Work Experience 11 years

Chief Information Security Officer at Cross-Sec

Jul 2024 - Current

Founder | CTO - Offensive Security Trainer at My Cyber Academy

Aug 2020 - Current

Head of Red Team - Qatar Armed Forces Signal Corps at Cross-Sec

Feb 2025 - Jan 2026

Program Director at Amicis Group Limited

Nov 2021 - May 2022

Lead Trainer NCSC at QA Ltd

Jan 2019 - Jul 2021

Cyber Security Technical Consultant at QA Ltd

Jul 2018 - Nov 2019

Cyber Security Trainer at QA Ltd

Jun 2018 - Nov 2018

Gov Sector | SOC Analyst at Accenture

Feb 2021 - Jun 2021

Offensive security Lead at UK Home Office

Jan 2020 - Jan 2021

Principal Consultant at Coded Hound

Nov 2018 - Aug 2020

Purple Teamer at Bank of England

Feb 2020 - Mar 2020

Client-Facing CISO at Sopra Steria

Sep 2017 - Jun 2018

Cyber Defense Incident Responder at UK Ministry of Defence

Aug 2015 - Aug 2017

Tom Sinclair started working in 2015, then the employee has changed 9 companies and 12 jobs. On average, Tom Sinclair works for one company for 1 year 6 months.

Tom is proficient in English. Their professional focus is Certification design, Cloud Security, and CREST Training across 3 core areas.

Tom holds CREST Registered Penetration Tester (CRT), OffSec Web Expert (OSWE), and OffSec Experienced Penetration Tester (OSEP) certifications.

Frequently Asked Questions

What is Tom Sinclair's email address?

SignalHire found verified email addresses for Tom Sinclair, both business and personal. Their business email is t**********r@mod.uk, and personal emails include t**********s@yahoo.com.

What is Tom Sinclair's phone number?

SignalHire found a verified phone number for Tom Sinclair: +974-***-***-7899.

How do I contact Tom Sinclair at Cross-Sec?

You can reach Tom Sinclair 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 Tom Sinclair's professional background?

Tom Sinclair has 11 years of professional experience. They have held roles including Founder | CTO - Offensive Security Trainer, Head of Red Team - Qatar Armed Forces Signal Corps, and Program Director at companies such as My Cyber Academy, Cross-Sec, and Amicis Group Limited.

Is Tom Sinclair's contact information up to date?

Yes. Tom Sinclair's SignalHire profile was last updated on 19 June 2026, reflecting their current position as Chief Information Security Officer at Cross-Sec.

Tom Sinclair Namesakes

Name

Company

Position

Tom Sinclair

Findex

Senior Accountant

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Tom Sinclair

Sam Prince Hospitality Group

Group Operations Manager

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