Pinnacle Leadership

Sheila Thomas - Founder and Chief Executive Officer

Sheila Thomas, founding partner and Chief Executive Officer (CEO), has over 25 years of business operations experience with specialized knowledge in human resources and customer service.

Ms. Thomas began her government service career with Astrid Contract Technical Services in 2003 serving as a Senior Technical Recruiter, whereas, she was responsible for resume and candidate searches and screening for Technical and Professional positions for Nuclear and DOE/DOD facilities. Her duties also included interview processes, wage negotiations, candidate submission and employee management.

In 2010, Ms. Thomas founded Pinnacle Specialty Group, Inc. (Pinnacle) where she currently serves as the CEO. She manages all business operations and contract service to the multiple government clients that Pinnacle has successfully acquired throughout the many dedicated years of service. Ms. Thomas is 100% active in the day-to-day operations of Pinnacle (a woman-owned corporation) and she stands proud with this accomplishment. Ms. Thomas holds a DOE “Q” Clearance and is fluent with all security requirements within the DOE.

Vernon F. Keszler, Co-founder and Chief Financial Officer

Vernon Keszler is a financial executive with more than 30 years’ experience in multiple industries, including public accounting, manufacturing and business services. His most recent tenure has been as Chief Financial Officer (CFO) in the support service business, responsible for payrolls exceeding 2,000 employees and over $50M in contract management.

Throughout his early career, Mr. Keszler served in public accounting and then went on to work in the manufacturing industry, serving in various operations roles including financial analyst and systems manager. He has also consulted with several industry-specific small businesses assisting with the establishment of financial systems, internal controls and earn credibility with financial institutions. In 1995, Mr. Keszler began his experience in the support service industry then continued his career in 2006 as CFO with Astrid Contract Technical Services, Inc. (ACTS).

Mr. Keszler holds his Master’s in Business Administration (MBA) and is a Certified Public Accountant (CPA).

Lauren Amos, Vice President of Business Development

Lauren Amos has over 23 years’ of project management and business operations experience with over 18 years within the Department of Energy (DOE) contracts. Currently serving as the Vice President of Business Development for Pinnacle Specialty Group Inc. (Pinnacle), she also performs Project Management duties for several of Pinnacle’s contracts, including a $38M Information Technology contact in Oak Ridge, TN and Amarillo, TX.

Ms. Amos’s experience is primarily derived from the government and commercial nuclear industry, with specialized emphasis in operations, contracting and training requirements. She has performed project management support throughout the Department of Energy (DOE) complex at Savannah River Site, Oak Ridge, Pantex, Hanford, West Valley and Nevada. She also has specialized contracting expertise with the Service Contract ACT (SCA) and its compliance requirements and DOE site security requirements to include Foreign Ownership Control Influence (FOCI) and clearance processing.

Ms. Amos has an active DOE “Q” Clearance and has site access at all DOE facilities. Ms. Amos has managed a cumulative 2500 staff support professionals throughout multiple facilities with contracts in excess of $300M.

Alesia Lee, Payroll and Human Resource Lead

Alesia Lee has been with the Pinnacle family since its conception and provides over 13 specialized years within DOE contracts. Her vast duties range from accounting processing, human resource management to contracts administration. She also supervises the weekly processing of over 100(+) payroll activities to include vacation management, benefit administration and the biweekly processing of expense reporting and payouts.

Ms. Lee brings over 30 years of payroll and accounting experience and has extensive knowledge with 5 accounting software systems. No job is too large for her capabilities. During the ARRA era, she administered and managed the payroll and expense operations for up to 450 personnel with a weekly processing of 12,000 employee worked hours.

Ms. Lee supports all Pinnacle employees with their new hire paperwork including benefits administration and payroll requirements. She is the “voice” of Pinnacle and maintains a positive relationship with all employees, no matter where they are located.

Melanie Lirley, Senior Recruiter

Melanie Lirley has over 15 years of business process experience with concentration in recruiting and personnel support, human resources and legal professions.  She currently serves as the Senior Recruiter for Pinnacle Specialty Group (Pinnacle) servicing over 8 active contracts and supports all new proposal efforts with her impeccable recruiting efforts.  Her experience covers all facets of professional, technical and administrative scopes of works.

Ms. Lirley began her career serving as an office assistant within the legal profession and then in 2005, she continued her experience within the support service industry with Astrid Contract Technical Services, however, she was quickly promoted from Office Assistant to Recruiter. 

In 2010, Ms. Lirley transitioned to Pinnacle as the Senior Recruiter, whereas, she proudly promotes her accomplishment of recruiting over 2000 contract support personnel at multiple Department of Energy sites, including Savannah River Site and the Oak Ridge Reservation, just to list a few.

Kim Nelson, Senior Recruiter

Kim Nelson has over 20 years of business support experience in the recruiting industry with specialization in client service and employee management.  She performs specialized recruiting efforts for qualified candidates to multiple nuclear facilities throughout the United States.  Her professional recruiting style provides clients with a comfort of knowing that a seasoned recruiter is working on their efforts.   

In 2009, Ms. Nelson served as an Accountant Assistant with Astrid Contract Technical Services.  She was soon promoted to Account Manager, where she managed numerous contractors on several large business contracts.  In 2010, she transitioned her responsibilities to Pinnacle Specialty Group serving in multiple operation capacities.  With her thorough knowledge in the engineering, construction & technical service areas, she currently provides Senior Recruiter responsibilities with specialized efforts on environmental management projects throughout the Department of Energy and multiple commercial nuclear facilities

Our Clients

    AECOM (URS Professional Solutions)
    Bridgestone Firestone
    Bureau of Land Management
    CH2M Hill B&W West Valley
    Centerra Security Group
    Consolidated Nuclear Security
    Department of Energy
    Electric Power Research Institute
    General Services Administration<
    Parsons Government Services
    Savannah River Nuclear Solutions
    Savannah River Remediation
    URS CH2M Oak Ridge
    Washington Closure Hanford