Greg Maddock: Email & Phone Number

Opt-Out

Founder at SimClient AI|St Peters, Missouri, United States

Position:

Founder at SimClient AI

Location:

St Peters, Missouri, United States

View Greg Maddock's Email

Up to 10 free lookups. No credit card required.

Last updated: 2026-10-28

Updated: 2026-10-28

Found email addresses for Greg Maddock:

Business emails:

*****@gmail.com

Personal emails:

g**********k@att.com,

g****5@att.com,

g******k@att.com

Found phone for Greg Maddock:

+1-***-***-4260

Prospect analytics

Availability

TimezoneCST

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

A different Greg Maddock?

Work Experience 28 years

Founder at SimClient AI

Nov 2025 - Current

Founder | Fractional AI Executive & AI Strategist | Forged Labs at Forged Labs LLC

Dec 2025 - Current

Acting Director / Principal Leader– Corporate Security / Cybersecurity at AT&T

Dec 2018 - Sep 2026

Principal Leader – Vendor Management & Third-Party Security Governance at AT&T

Jun 2011 - Feb 2018

Vendor Management - Technology Development at AT&T

Oct 2006 - Jun 2011

Various at AT&T

Jul 1998 - Jan 2006

Greg Maddock started working in 1998, then the employee has changed 2 companies and 5 jobs. On average, Greg Maddock works for one company for 4 years 9 months.

Their professional focus is Access Control, AI Automation, and Analytic Problem Solving across 3 core areas.

Greg holds Neurolinguistic Programming Master Practitioner, Certified Hypnotist (CH), and Information Security Leadership Track (CISSP Domains) certifications.

Education

Bachelors at Missouri Technical College

Similar profiles

Name

Company

Position

Yashpreet Kaur

Think Unfiltered

Founder

Get contacts

Akshay Kukde

Self-employed

Founder

Get contacts

Gaurav Bhand

The Almost Club

Founder

Get contacts

Mehak Makhija

Mehakmakhijaofficial

Founder

Get contacts

ADV AJAY SHAH

Shah Legal Advocates

Founder

Get contacts

Sanchit Jindal

Glasmos

Founder

Get contacts

See more profiles

Data Privacy

GDPR COMPLIANT

SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.