Tier One Employee Directory

Q: Who are Tier One key employees?

Some of Tier One key employees are Anthony Gelat , Marcellous Williams , Sarah Stanfield

Tier One corporate office is located in 7500 W Camp Wisdom Rd Ste A3-132, Dallas, Texas, 75236, United States and has 51-200 employees.

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Employees by Department

Departments

Number of employees

Operations

Human Resources

Marketing

C-Suite

Key Employees of Tier One

AG
Anthony Gelat
Director, Operations
PhoneEmail
MW
Marcellous Wil...
Director, Human Resources
PhoneEmail
SS
Sarah Stanfiel...
Director, Sales
PhoneEmail
PhoneEmail
PhoneEmail
PhoneEmail

Tier One Global Presence

Location	People at location
North America	1-10

Index of contact profiles from Tier One

Hundreds of professionals searching for Tier One have connected with key decision-makers. Join them?

Contact Name

Contact Info

Job Title

HQ Location

TT
Tony Tinderholt
Email Direct
Senior Partner
United States , Texas , Dallas

AG
Anthony Gelat
Email Direct
Director, Operations
United States , Texas , Dallas

MW
Marcellous Williams
Email Direct
Director, Human Resources
United States , Texas , Dallas

JH
Jerry Heftler
Email Direct
Senior Partner
United States , Texas , Dallas

MF
Michael Felini
Email Direct
Junior Partner
United States , Texas , Dallas

DG
DeShundra Green
Email Direct
Lead Recruiter
United States , Texas , Dallas

KB
Kristian Bricker
Email Direct
Executive Assistant
United States , Texas , Dallas

JA
Joshua Alvarado
Email Direct
Security Officer III
United States , Texas , Dallas

SS
Sarah Stanfield
Email Direct
Director, Sales
United States , Texas , Dallas

Former Employees at Tier One

Explore people who held key positions, contributed to Tier One's success, and advanced their careers.

Whitney Puma

Director, Accounts at Bluebird Creative

Worked as Director, Administration

at Tier One (2020-2021)

Direct

Christopher Horvath

Manager, Site Safety at Metro One

Worked as Director, Training

at Tier One (2024-2026)

Direct

David Hodge

Junk Removal at JDog Junk Removal & Ha...

Worked as Security Officer

at Tier One (2023-2024)

Direct

Mask Content

Campus Safety Speciali... at Dallas Independent Sch...

Worked as Sro

at Tier One (2024-2025)

Direct

Mask Content

Private Investigator at Kelmar Global

Worked as Lead Investigator

at Tier One (2023-2024)

Direct

Mask Content

Protective Agent at Allied Universal

Worked as Security Officer

at Tier One (2021-2023)

Direct

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Frequently Asked Questions Regarding Tier One Employees

How many employees does Tier One have?

Tier One has 51-200 employees

Who are Tier One key employees?

Some of Tier One key employees are Anthony Gelat, Marcellous Williams, Sarah Stanfield

Where is Tier One located?

Tier One’s headquarters are located at 7500 W Camp Wisdom Rd Ste A3-132, Dallas, Texas, 75236, United States

How do I contact Tier One?

Tier One Contact Info: Phone number: (214) 251-8722 Website: www.tieroneus.com

What does Tier One do?

Tier One offers a variety of custom assessments to help your campus identify potential threats, prepare for threats and implement proactive measures to mitigate those threats. From Safety & Security Audits that satisfy TX Education Code 37.108 to Multi-Hazard Emergency Operations Plans, the company helps you discover a safer environment for your ca... mpus.Read More

Is Tier One a public company?

Tier One is private company therefore does not currently have an official ticker symbol

See more information about Tier One Employees