About Us

Training, Safety and Compliance

Greg Donohoe
Greg DonohoeManager of Safety & Compliance

Greg came to Security Engineers in June of 2012 to take on the task of assisting the company Security Officers in acquiring their Security Officer State License. With 23 years of experience with the Federal Bureau of Prisons, he brings an unmatched capability within our compliance department. His duties include:

  • Maintain and coordinate our Security Officer State Licensing program
  • Provide and administer all in-service exams pertaining to state licensing
  • Maintain and coordinate our Safety Rewards Program
  • Monitors the Drug Free Workplace Policy
  • Liaison to Alabama State Regulatory board
Warren Powe
Warren PoweManager of Training

Warren has been with Security Engineers, Inc. since 2004. He started off as a field supervisor & has worked his way up to the manager of training.

As the Manager of Training, Power researches, prepares and instructs all pre-assignment training for Security Officers. Audio/visual classroom instruction, testing and live-fire firearms training for clients are all conducted at the Security Engineers, Inc. Corporate Office and Training Facility located in downtown Birmingham. Warren is certified through the FBI Firearms Instructor course, FBI Police Instructor Development course & as a Certified Active Shooter Level 1 Instructor through Advanced Law Enforcement Rapid Response Training.

Sales, Marketing and Communications

Shelley Love Screws
Shelley Love ScrewsManager of Marketing & Communication

Shelley came to Security Engineers, Inc. with 20 years of experience in marketing, graphic design & web design. She has started several local & national magazines & has won many awards for her design work over the years.

Her main job duties include:

  • Developing new business opportunities
  • Increasing market awareness
  • Identifying new markets for growth opportunities
  • Designing literature & web presence to ensure consistency in brand
  • Marketing & recruiting for open positions for all branch locations
Mark Quimby
Mark QuimbyRegional Manager, Southwest & Key Accounts

Mark came to Security Engineers in 2006 and has worked his way from a front-line Security Officer through the ranks of Site Supervisor, Project Manager and Corporate Department Head. A combat veteran and former active-duty Marine, he also boasts a Bachelors Degree in Homeland Security and Emergency Management and a Masters Degree in Criminal Justice: Advanced Counterterrorism & Homeland Security. Mark holds instructor certifications as an NRA Law Enforcement Firearms Instructor for Handgun/Shotgun/Patrol Rifle/Tactical Shooting, PPCT (Pressure Point Control Techniques) Defensive Tactics Instructor, SHARP (Sexual Harassment and Rape Prevention) Instructor, TAC Chemical Weapons Instructor and ASRB (Alabama Security Regulatory Board) Trainer 2. He also holds a Certification from the esteemed Force Science Institute. Mark’s primary responsibility is to provide consultation to prospective clients and key community stakeholders on SEI’s integrated security solutions.

Rebecca Strobl
Rebecca StroblDirector of Security Solutions Support Group

Rebecca comes to Security Engineers, Inc. with over 16 years of sales management experience in the security industry.

As the Director of the Security Support Solutions Group, Rebecca leads the team in identifying potential customers. Rebecca serves as SEI’s executive security solution architect working with potential customers to design a strategic program to address their specific security needs. Rebecca is a member of Connect: Professional Women’s Network, a licensed EMT-Intermediate and Wilderness EMT and First Aid / CPR / AED / Bloodborne Pathogens Instructor.

Information System

Mike Nessler
Mike NesslerAssistant Vice President

Mike came to Security Engineers in February 1996 with 16 years of experience in law enforcement as a municipal police officer with Gadsden and Piedmont Police Departments. Mike has earned many distinctions as his experience and duties have grown with Security Engineers:

  • March 2002 – Present: Assistant VP
  • November 2002 – Present: President, Investigations Corporation of Alabama (a wholly owned subsidiary of Security Engineers)
  • April 2001 – March 2002: Director of Quality Assurance
  • December 1999 – April 2001: Quality Assurance Manager
  • February 1996 – December 1999: Compass Bank Project Manager

Human Resources

Dolly Gaboya
Dolly GaboyaBenefits Coordinator & Human Resources Assistant Manager

A member of our team since 2012, Dolly’s responsibilities have grown to include:

  • The processing of benefits BCBS, Aetna, Delta Dental, VSP, and MD Live
  • The processing of PTO requests
  • Drug Testing
  • Background checks
  • ID Badge printing


Sean O'Rourke
Sean O'RourkeManager of Operations - Birmingham

Sean came to Security Engineers, Inc. in 2014 as temporary event staff. He quickly worked himself up the chain of command, where he is now the manager of operations for our corporate headquarters in Birmingham, AL.


Patricia Davis
Patricia DavisCorporate Recruiter

Patricia works closes with our HR Dept to find the best talent for multiple job sites across Alabama as well as our outer offices. From pre-screening, to interviewing to starting the on-boarding process, Patricia plays a key role at our corporate office in ensuring the right people are placed at the right job site.


Aimee Couch
Amiee CouchController

Amiee manages day to day accounting operations of all divisions of SEI, Inc. for payroll, accounts receivable and accounts payable

2019-Present: Controller, SEI, Inc.
2015-2018: Lead Senior Accountant/Finance Supervisor, Education Corp of America
2014-2015: Agency Business Manager, Mass Mutual Alabama
2012-2014: Senior Accountant, Momentum Telecom
2007-2012: Reimbursement Specialist, HealthSouth

Education: B.B.A. Accounting, University of Montevallo

Joy Hood
Joy HoodAssistant Controller

Joycelyn came to work for Security Engineers, Inc. in 2012 as a Payroll & Billing Clerk. In 2015, she was promoted to Payroll & Billing Supervisor. She has over 14 years of experience in accounting.

As the Assistant Controller, Joy aides the Controller & CFO with managing the day to day accounting operations of all divisions of Security Engineers, Inc.

2018-Present: Assistant Controller, Security Engineers, Inc.
2017-2019: Administrator, Abundant Harvest Church
2015-2018: Payroll & Billing Supervisor, Security Engineers, Inc.
2012-2015: Payroll & Billing Clerk, Security Engineers, Inc.
2010-2017: Assistant Administrator, Abundant Harvest Church
2010-2012: Assistant to Controller, One Stop Environmental
2008-2010: Senior Accounts Payable Rep/HR Assistant, Spradling International, Inc
2004-2008: Staff Accountant, Accounting & Business Consultants, Inc.