Mark Hallman: Email & Phone Number

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Sr. Technical Advisor at SANS Institute|San Antonio, Texas Metropolitan Area, United States

Position:

Sr. Technical Advisor at SANS Institute

Location:

San Antonio, Texas Metropolitan Area, United States

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Last updated: 2026-05-08

Updated: 2026-05-08

Found email addresses for Mark Hallman:

Business emails:

h**@sans.org

Personal emails:

h***@sans.org,

m***@aol.com

Found phones for Mark Hallman:

+1-909-***-**12,

+1-870-***-**06,

+1-909-***-**05,

+1-205-***-**19

A different Mark Hallman?

Work Experience 38 years

Sr. Technical Advisor at SANS Institute

Apr 2016 - Current

Online SME at SANS Institute

Jan 2016 - Jan 2016

Principal / Chief Operating Officer at Digital Discovery Corporation

Oct 2008 - Jul 2015

Partner at Lightship Enterprises LLC

Dec 2001 - Mar 2003

Vice President, ERP Division at Sapient

Dec 1998 - Mar 2000

Vice President / COO at EXOR Technologies, Inc

Apr 1990 - Dec 1997

Senior Consultant at PwC

Oct 1988 - Apr 1991

Mark Hallman started working in 1988, then the employee has changed 5 companies and 6 jobs. On average, Mark Hallman works for one company for 4 years 3 months.

Their professional focus is Application Security, Computer Forensics, and Computer Hardware across 3 core areas.

Education

BBA at The University of Texas at Austin

Frequently Asked Questions

What is Mark Hallman's email address?

SignalHire found verified email addresses for Mark Hallman, both business and personal. Their business email is h**@sans.org, and personal emails include h***@sans.org, and m***@aol.com.

What is Mark Hallman's phone number?

SignalHire found multiple verified phone numbers for Mark Hallman: +1-909-***-**12, +1-870-***-**06, and +1-909-***-**05.

How do I contact Mark Hallman at SANS Institute?

You can reach Mark Hallman 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 Mark Hallman's professional background?

Mark Hallman has 38 years of professional experience. They have held roles including Online SME, Principal / Chief Operating Officer, and Partner at companies such as SANS Institute, Digital Discovery Corporation, and Lightship Enterprises LLC. Their education includes BBA from The University of Texas at Austin.

Is Mark Hallman's contact information up to date?

Yes. Mark Hallman's SignalHire profile was last updated on 8 May 2026, reflecting their current position as Sr. Technical Advisor at SANS Institute in Rockville, Maryland, United States.

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