Mark Lessing
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Mark Lessing Email & Phone Number

Regional SME for NJPA and TXMAS Cooperative Contracts, Senior Sales at Tyco Integrated Security at Tyco Integrated Security (formerly ADT Security Services)
Location: San Antonio, Texas, United States 8 work roles 1 school
1 work email found @tyco.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email m****@tyco.com
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Current company
Tyco Integrated Security (formerly ADT Security Services)
Role
Regional SME for NJPA and TXMAS Cooperative Contracts, Senior Sales at Tyco Integrated Security
Location
San Antonio, Texas, United States
Company size
18979 employees

Who is Mark Lessing? Overview

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Quick answer

Mark Lessing is listed as Regional SME for NJPA and TXMAS Cooperative Contracts, Senior Sales at Tyco Integrated Security at Tyco Integrated Security (formerly ADT Security Services), a company with 18979 employees, based in San Antonio, Texas, United States. AeroLeads shows a work email signal at tyco.com and a matched LinkedIn profile for Mark Lessing.

Mark Lessing previously worked as Sales at Tyco Integrated Security (Formerly Adt Security Services) and Regional SME for NJPA and TXMAS Cooperative Contracts, Senior Sales at Tyco Integrated Security. Mark Lessing studied at The University Of Texas At Austin.

Company email context

Email format at Tyco Integrated Security (formerly ADT Security Services)

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{first_initial}{last}@tyco.com
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AeroLeads found 1 current-domain work email signal for Mark Lessing. Compare company email patterns before reaching out.

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Profile bio

About Mark Lessing

A proactive, results-oriented sales professional with 29 years expertise marketing all lines of Electronic Security Systems and Services including Video Surveillance, Access Control, Fire Alarm, Intrusion Detection, and EAS. Worked with customers across all vertical markets including Financial, Retail, Government, and Commercial /Industrial. Enjoyed success and the resultant rewards at every level of sales career. Background includes 10 years as National Account Manager delivering successful sales leadership on large scale opportunities and developing new National Account customers while providing on-going sales and support to existing Fortune 500 clients. Served three years as State and Local Government Regional Account Manager responsible for vertical sales penetration and process implementation within region. Currently Senior Sales in Texas with Regional responsibilities as SME (West Region) for Tyco's State and Local Government cooperative contracts.

Listed skills include Access Control, Security, Fire Alarm, Video Over Ip, and 39 others.

Current workplace

Mark Lessing's current company

Company context helps verify the profile and gives searchers a useful next step.

Tyco Integrated Security (formerly ADT Security Services)
Tyco Integrated Security (Formerly Adt Security Services)
Regional SME for NJPA and TXMAS Cooperative Contracts, Senior Sales at Tyco Integrated Security
cork, munster, ireland
Website
tyco.com
Employees
18979
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Company profile
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8 roles · 52 years

Mark Lessing work experience

A career timeline built from the work history available for this profile.

Regional Sme For Njpa And Txmas Cooperative Contracts, Senior Sales

Current
Tyco Integrated Security

San Antonio, Texas Area

2012 - Present ~14 yrs 5 mos

Regional Account Manager, State And Local Government Sales

Adt Security Services

SW Region

2008 - 2012 ~4 yrs

National Account Manager

Adt Security Services, Inc.
1998 - 2008 ~10 yrs

Commercial Sales Associate

Adt Security Services, Inc.

San Antonio, Texas Area

1989 - 1998 ~9 yrs

Residential Sales Associate

Adt Security Services, Inc.

San Antonio, Texas Area

1985 - 1989 ~4 yrs

Operations Mgr

Dobbs International

San Antonio International Airport

1982 - 1985 ~3 yrs

Fllight Atendant

Bramiff International Airlines
1974 - 1982 ~8 yrs
Team & coworkers

Colleagues at Tyco Integrated Security (formerly ADT Security Services)

Other employees you can reach at tyco.com. View company contacts for 18979 employees →

SM Simone Meyer Simone Meyer Colleague at Tyco Integrated Security (Formerly Adt Security Services)San Francisco Bay Area, United States View → RJ Randy Janecek Sr Randy Janecek Sr Colleague at Tyco Integrated Security (Formerly Adt Security Services)Powder Springs, Georgia, United States, United States View → SV Sathiyanarayanan Viswanathan Sathiyanarayanan Viswanathan Colleague at Tyco Integrated Security (Formerly Adt Security Services)Qatar, Qatar View → NS Naisau Sj Rounds Naisau Sj Rounds Colleague at Tyco Integrated Security (Formerly Adt Security Services)Fiji, Fiji View → LM Luigi Marando Luigi Marando Colleague at Tyco Integrated Security (Formerly Adt Security Services)Milan, Lombardy, Italy, Italy View → VP Vincent Phuah Vincent Phuah Colleague at Tyco Integrated Security (Formerly Adt Security Services)Singapore, Singapore View → SK Senthil Kumar Senthil Kumar Colleague at Tyco Integrated Security (Formerly Adt Security Services)Qatar, Qatar View → AM Ali Macdonald Ali Macdonald Colleague at Tyco Integrated Security (Formerly Adt Security Services)Kirkcaldy, Scotland, United Kingdom, United Kingdom View → MK Movie Ka Movie Ka Colleague at Tyco Integrated Security (Formerly Adt Security Services)Pune, Maharashtra, India, India View → SR Suresh Raju Skrishnamoorthy Suresh Raju Skrishnamoorthy Colleague at Tyco Integrated Security (Formerly Adt Security Services)Tiruvallur, Tamil Nadu, India, India View →
1 education record

Mark Lessing education

FAQ

Frequently asked questions about Mark Lessing

Quick answers generated from the profile data available on this page.

What company does Mark Lessing work for?

Mark Lessing works for Tyco Integrated Security (formerly ADT Security Services).

What is Mark Lessing's role at Tyco Integrated Security (formerly ADT Security Services)?

Mark Lessing is listed as Regional SME for NJPA and TXMAS Cooperative Contracts, Senior Sales at Tyco Integrated Security at Tyco Integrated Security (formerly ADT Security Services).

What is Mark Lessing's email address?

AeroLeads has found 1 work email signal at @tyco.com for Mark Lessing at Tyco Integrated Security (formerly ADT Security Services).

Where is Mark Lessing based?

Mark Lessing is based in San Antonio, Texas, United States while working with Tyco Integrated Security (formerly ADT Security Services).

What companies has Mark Lessing worked for?

Mark Lessing has worked for Tyco Integrated Security (Formerly Adt Security Services), Tyco Integrated Security, Adt Security Services, Adt Security Services, Inc., and Dobbs International.

Who are Mark Lessing's colleagues at Tyco Integrated Security (formerly ADT Security Services)?

Mark Lessing's colleagues at Tyco Integrated Security (formerly ADT Security Services) include Simone Meyer, Randy Janecek Sr, Sathiyanarayanan Viswanathan, Naisau Sj Rounds, and Luigi Marando.

How can I contact Mark Lessing?

You can use AeroLeads to view verified contact signals for Mark Lessing at Tyco Integrated Security (formerly ADT Security Services), including work email, phone, and LinkedIn data when available.

What schools did Mark Lessing attend?

Mark Lessing studied at The University Of Texas At Austin.

What skills is Mark Lessing known for?

Mark Lessing is listed with skills including Access Control, Security, Fire Alarm, Video Over Ip, Alarm Systems, Intrusion Detection, Cctv, and Ip Cameras.

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