Mark Leef
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Mark Leef Email & Phone Number

Senior Security Consultant at STANLEY Security
Location: Knoxville Metropolitan Area, United States 12 work roles 1 school
1 work email found @earthlink.net LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email m****@earthlink.net
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Current company
STANLEY Security
Role
Senior Security Consultant
Location
Knoxville Metropolitan Area, United States
Company size
3932 employees

Who is Mark Leef? Overview

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Quick answer

Mark Leef is listed as Senior Security Consultant at STANLEY Security, a with 3932 employees, based in Knoxville Metropolitan Area, United States. AeroLeads shows a work email signal at earthlink.net and a matched LinkedIn profile for Mark Leef.

Mark Leef previously worked as Sales and Business Development at Building Systems Technology, Inc. and Electronic System Sales at Tyco Simplexgrinnell. Mark Leef holds Bachelor'S Degree from Tusculum College.

Company email context

Email format at STANLEY Security

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mleef@earthlink.net
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AeroLeads found 1 current-domain work email signal for Mark Leef. Compare company email patterns before reaching out.

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Profile bio

About Mark Leef

Life Safety Sales & Business Development ProfessionalProven sales professional with over 30 years experience working for both established corporations as well as start-ups. Successfully contributes to all aspects of sales and service in direct, channel, and VAR sales. Effectively develops and implements innovative sales solutions and easily adapts to new products and technologies. Outstanding track record throughout career emphasizes strong client relations, communication, and versatility.Specialties: Strategic Planning, Negotiating, Account Penetration, Branding, Business Development, Channel Sales, Identifying Technology and Collaboration Opportunities, Security Integration, Relationship Management, High Rise Fire Alarm, Federal Sales

Listed skills include Access Control, Alarm Systems, Direct Sales, Cctv, and 39 others.

Current workplace

Mark Leef's current company

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STANLEY Security
Stanley Security
Senior Security Consultant
fishers, indiana, united states
Website
stanleysecurity.com
Employees
3932
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12 roles · 40 years

Mark Leef work experience

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

Senior Security Consultant

Current
Stanley Security

Kingsport Tn

Oct 2017 - Present

Sales And Business Development

Building Systems Technology, Inc.

Kingsport Tn

Working with Enterprise, State and Local Government and Federal Government end users, as well as contractors, to provide state of the art Security, Fire Alarm, Access Control, Video Surveillance, Nurse Call, Intercom and Structured Cabling. We offer certified systems and cabling infrastructure to meet the most demanding requirements.

Jul 2016 - Oct 2017

Electronic System Sales

Tyco Simplexgrinnell

Rockaway, Nj

Focused on developing relationships and partnering with clients in the healthcare vertical as well as key strategic accounts. Helping clients develop scalable solutions to address their security, fire, video surveillance, card access, nurse call and integrated systems requirements.

Jun 2015 - May 2016

Senior Sales Engineer

Daved Fire Systems

Design and sales of integrated Fire, Security, Access Control and Video Surveillance systems in the NY/NJ metropolitan area. Focused on commercial as well as government markets.

Jul 2014 - Jun 2015

Senior Sales Executive - Fire Safety And Security

Siemens Industry

Florham Park

Strategic sales to Federal Government and large commercial and industrial accounts in the NY/NJ metro area.

Apr 2011 - Apr 2014

Sales Executive

Absolute Protective Systems, Inc.

Edison, Nj

Security and Fire systems sales to large commercial and industrial accounts.

Sep 2010 - Apr 2011

Founder/Owner

Motorcycle Warehouse

Started motorcycle shop selling parts, apparel and accessories. Became licensed a dealer in second year and added full service repair shop.

2002 - Oct 2010

Strategic Account Manager

Riverstone Networks

Multiprotocol Label Switching. Primary focus on carrier solutions for delivering Ethernet services.

2001 - 2002 ~1 yr

Southwest Team Leader

Alteon Websystems

Layer 7 switching and routing plus server and firewall load balancing. Engaged in critical sales opportunities by delivering product positioning, solution overview, return on investment and business case presentations to both technical and business decision makers.

1999 - 2001 ~2 yrs

Strategic Account Manager

Cabletron

Layer 2 and 3 switching. Primary focus on financial, pharmaceutical and insurance verticals driving revenue through key accounts.

1996 - 1999 ~3 yrs

Northeast Regional Sales Manger

Tellular/Adcor

Emergency cellular back-up transmission of voice, video and data. Responsible for the eighteen state north east region direct sales as well as channel sales. Instrumental in helping company transition from direct sales only model to selling through distribution as well as a value added reseller program.

1994 - 1995 ~1 yr

Founder/Owner

Leefgard Protection

Started low voltage company selling and maintaining burglar alarms, fire alarms, access control, video surveillence systems and computer networks. Authorized Westinghouse Dealer and Sole Distributor for Thorn Automated Systems for New Hampshire.

1987 - 1994 ~7 yrs
Team & coworkers

Colleagues at STANLEY Security

Other employees you can reach at stanleysecurity.com. View company contacts for 3932 employees →

MS Murle Stepp Murle Stepp Colleague at Stanley SecurityOklahoma City, Oklahoma, United States View → CM Charles Maples Charles Maples Colleague at Stanley SecurityFishers, Indiana, United States View → LG Larry Gordon Larry Gordon Colleague at Stanley SecurityElk Grove, California, United States View → TT Tanju Turker Tanju Turker Colleague at Stanley SecurityMustafakemalpaşa, Bursa, Türkiye, Turkey View → HU Hannu Uuspelto Hannu Uuspelto Colleague at Stanley SecurityHelsinki, Uusimaa, Finland View → MA Mohamed Abdani Mohamed Abdani Colleague at Stanley SecurityGreater Paris Metropolitan Region, France View → JA James Atherton James Atherton Colleague at Stanley SecurityMiddle River, Maryland, United States View → PP Pascal Pin Pascal Pin Colleague at Stanley SecurityFrancheville, Auvergne-Rhône-Alpes, France View → BC Brian Chambers Brian Chambers Colleague at Stanley SecuritySt Paul, Minnesota, United States View → LL Lionel Lefebvre, Lionel Lionel Lefebvre, Lionel Colleague at Stanley SecurityGreater Montpellier Metropolitan Area, France View →
1 education record

Mark Leef education

FAQ

Frequently asked questions about Mark Leef

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

What company does Mark Leef work for?

Mark Leef works for STANLEY Security.

What is Mark Leef's role at STANLEY Security?

Mark Leef is listed as Senior Security Consultant at STANLEY Security.

What is Mark Leef's email address?

AeroLeads has found 1 work email signal at @earthlink.net for Mark Leef at STANLEY Security.

Where is Mark Leef based?

Mark Leef is based in Knoxville Metropolitan Area, United States while working with STANLEY Security.

What companies has Mark Leef worked for?

Mark Leef has worked for Stanley Security, Building Systems Technology, Inc., Tyco Simplexgrinnell, Daved Fire Systems, and Siemens Industry.

Who are Mark Leef's colleagues at STANLEY Security?

Mark Leef's colleagues at STANLEY Security include Murle Stepp, Charles Maples, Larry Gordon, Tanju Turker, and Hannu Uuspelto.

How can I contact Mark Leef?

You can use AeroLeads to view verified contact signals for Mark Leef at STANLEY Security, including work email, phone, and LinkedIn data when available.

What schools did Mark Leef attend?

Mark Leef holds Bachelor'S Degree from Tusculum College.

What skills is Mark Leef known for?

Mark Leef is listed with skills including Access Control, Alarm Systems, Direct Sales, Cctv, Security, Fire Alarm, Business Development, and Selling.

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