Senior Management Overview
A key component to NES' success over the years is the strong leadership provided from our highly experienced Senior Management Team. Leverage NES' experience to your benefit. We look forward to hearing from you!


Reg Cook

Reg Cook, President/Partner
Strategic oversight of all company operations, sales and growth planning.

NES Tenure: 15 years
Related Experience/Employers: Martin Marietta (Project Development & Management)
Certifications: Certified Energy Manager (CEM)
Education: University of Colorado, MBA Finance; Georgia State University, BBA Accounting
Phone: (678) 832-1702
Email: rcook@natlenergy.com


Jeff Noble

Jeff Noble, Chief Financial Officer/Partner
Responsible for all financial reporting, banking, contracts, insurance and other G&A activity.

NES Tenure: 14 years
Related Experience: 38 years of accounting, finance and CFO
Previous Employers: Cambridge Professional Group, Comphealth
Education: University of Miami, BBA Accounting
Phone: (678) 832-1704
Email: jnoble@natlenergy.com


Bill Cook

Bill Cook, Vice President - Business Development
Responsible for Strategic Account Relationships & Development, Systems Planning and Survey & Proposal Development.

NES Tenure: 14 years
Related Experience: Financial Analysis & Long Range Planning, Program Planning
Previous Employers: Lockheed Martin
Education: University of Georgia, BS Agriculture
Phone: (678) 832-1709
Email: bcook@natlenergy.com


Ken Biggerstaff

Ken Biggerstaff, Vice President - Construction Services
Responsible for all business development, management & operations of Construction Services and LEED project development.

NES Tenure: 1 year
Previous Employers/Experience: George Hyman Construction, B&D Construction, Magnolia Development (Co-Owner) and LPR Homes (Co-Owner)
Education: Georgia Institute of Technology, BS Building Construction
Certifications: Georgia Licensed General Contractor
Phone: (678) 832-1713
Email: kbiggerstaff@natlenergy.com


Joe Cook

Joe Cook, Vice President - Operations
Responsible for all Operations, Key Program Development/Management & Strategic Account Support.

NES Tenure: 14 years
Previous Employers/Experience: Martin Marietta (Production Management), Front Range Graphics (President/Owner)
Education: University of Florida, BA Political Science
Certifications: Certified Energy Manager (CEM), Certified in Production and Inventory Management (CPIM)
Phone: (678) 832-1703
Email: jcook@natlenergy.com


Jerry Shepard

Jerry Shepard, Vice President - Technical Services
Responsible for all Lighting Design and Proposal Development and IT Systems Management.

NES Tenure: 12 years
Previous Employers/Experience: IllumElex (Sales & Sales Management), State Neon (Service Dept. Management), Tennessee Castings (Personnel & Safety Management), TENCON (National Account Program Manager)
Certifications: Certified Energy Manager (CEM)
Education: Lipscomb University, BA Mathematics
Phone: (678) 832-1701
Email: jshepard@natlenergy.com


Andrew Noble

Andrew Noble, Vice President - Finance
Responsible for all financial analysis, evaluation and accounting management.

NES Tenure: 5 years
Education: University of Southern California, BS Business Administration
Certifications: Alabama General Contracting License
Phone: (678) 832-1722
Email: anoble@natlenergy.com


Merri Beth Stephens

Merri Beth Stephens, Director - Human Resources & Safety
Responsible for all Labor, Transportation and Safety Compliance Programs, Personnel Recruiting & Retention and Risk Management.

NES Tenure: 4 years
Previous Employers/Experience: Ford & Harrison (Human Resources), Stephens & Shuler (Litigation Paralegal), Reporter Associates (Court Reporter)
Education: North Georgia College, BA English
Phone: (678) 832-1735
Email: mstephens@natlenergy.com


Joe Mellon

Joe Mellon, Manager - Systems
Responsible for all Internal System Development & Management.

NES Tenure: 13 years
Previous Employers/Experience: Bridgestone/Firestone (Accounting & Industrial Engineering)
Education: Millikin University, BS Industrial Engineering
Phone: (678) 832-1707
Email: jmellon@natlenergy.com