Our Team

Our Team

Bob Weeks

Bob is the sole founder and leader of Ground Thunder. As a true Charlotte native, he has worked in the concrete business since 1985. He is still active in the company’s field operations, applying his leadership, energy, and visionary spirit to Ground Thunder’s purpose on a daily basis. His philosophy related to his employees is based around the idea of family values and staying local so his team can return home each day to their families.
In addition to his commitment to the company, Bob is an avid marathon runner. To date, he has completed over 300 marathons, including the World Marathon Challenge–where he ran 7 marathons in 7 consecutive days on all 7 continents. In his free time, Bob volunteers in the community with causes such as Hope Haven of Charlotte and the Charlotte Men’s Shelter. Bob and his family reside in Harrisburg, NC.


Brad Burnett

Chief Financial Officer

Brad joined the team in 2024 as Ground Thunder’s Chief Financial Officer.  Since receiving his Bachelor’s Degree in Finance and MBA from Auburn University, Brad has accumulated over 20 years of experience as CFO in various industries.  Brad is responsible for financial management of Ground Thunder and its affiliates.  In his spare time, Brad likes coaching basketball, smoking BBQ, and Auburn football.


Jake Kimble

Chief Operating Officer

Jake joined the company in 2016 after earning his BS in Project Management from Liberty University. Jake played 4 years of collegiate baseball, having the opportunity to play in 3 NCAA Regional tournaments and earned 2 conference tournament All Tournament honors. Jake leads the charge for Ground Thunder Dumpsters, Toilets and Trucking. Jake was instrumental in forming Ground Thunder Trucking and Toilets, and in 2020 received his licenses in Pest Control. He, along with Bob Weeks, formed Ground Thunder Environmental. In his free time he enjoys spending time with his family, golfing, and is an avid waterfowl hunter.


Buddy Abbott

Construction Manager

Buddy is originally from the Outer Banks of NC and received his degree from UNC Charlotte. He is a licensed General Contractor who brings over 20 years of residential construction experience to our building division and ran his own company for 15 years. Buddy currently resides in Marvin, NC with his wife, Dana and their 2 children. He enjoys attending his kids’ sporting events, music and traveling to both the mountains and the coast.


Hima Dasari


Hima joined the GT team in 2024 from Florida.  He has a Masters Degree in Construction Management and an Undergrad in Civil Engineering.  In his free time away from the books he enjoys yoga and cinema.


Efren Hernandez


Efren, known as “Effy” by the team here at Ground Thunder manages our finishing and carpentry team. He has 20 plus years in the business and is a key asset in all of our projects at any given time.  Effy has 2 brothers, Ricardo and Lalo, that are also key employees to our finishing team. In Effy’s free time he enjoys getting together with friends and competing soccer matches.


Jeff Humbert

Business Leader

Jeff is a business leader for GT’s self-performing concrete and general contracting divisions.  With 28 years of experience in the Southeast in commercial construction, his true passion is being involved in the work on projects and helping his coworkers grow.  Outside of work, Jeff enjoys spending time with his family, traveling, and saltwater fishing.


Debi Moore

Project Accountant

Debi joined the Ground Thunder team in 2024 as a Project Accountant.  Prior to GT, Debi was a teacher for 10 years.  Debi has a degree in Corporate Communications from Queens University as is responsible for project accounting for GT Construction.  In her spare time, Debi enjoys spending time with her family, cooking, and binge watching Netflix.


Jacob Moore


Jacob is a young hard working concrete finisher who joined the team in 2020. He comes with 5 years of concrete experience and has tons of knowledge for being so young. He is a major part of our concrete finishing team and learns more and more each day. One of his long-term goals is to be the Lead Superintendent over all of the finishing crews. In his free time, besides enjoying working, he likes to hunt, fish, and spend time with his dog Kane.


Thomas Moore

Operations Manager

Tom joined the GT team in 2020 and brings over 20 years experience in commercial and residential concrete work. He is our “do it all” guy, from concrete work, operating equipment, driving roll off and dump trucks, to managing jobs in the field. Tom plays a vital role in our day-to-day operations and helps our company stay on track. He has 2 sons that work for GT as well, Jacob and Adam. In his free time, Tom enjoys hunting, golfing, and riding motorcycles.


Adrian Morris

Project Manager

Adrian joined Ground Thunder in 2023 as our project manager.  He has five years of experience in the construction industry and has been thriving ever since.  In his free time, he loves spending time with his wife and running.


Efren Padilla

General Superintendent

Efren has 25 years of experience in concrete construction and 19 years in tilt-up.  He is in charge of the entire construction branch of Ground Thunder, overseeing even the smallest of details.  He is a proud father of three boys – when he is not working, he’s spending time with his wife and children.


Stephania Padilla

Business Administrator

Stephania has been with Ground Thunder since 2023.  She is our bilingual Business Administrator and does everything from accounts payable, payroll, and marketing to translating for GT construction, dumpsters, and toilets.  In her free time, she enjoys going out with her husband and kids.


Doug Postel

Operations Manager Toilets

With over 28 years experience in the portable toilet business, Doug brings a wealth of knowledge and expertise to Ground Thunder Toilets. Prior to Porta-Jon being sold, he spent 26 years as their Operations Manager. Doug is responsible for our training, hiring, scheduling, and account management. In his spare time he enjoys fishing and vintage cars, especially his 65′ Mustang 


Luke Robinson


Luke has been with Ground Thunder since 2020.  He is our lead dispatcher for toilets and dumpsters and has four years of experience in being our top dispatcher and the best at customer services – he is definitely your guy.  In his free time, he loves spending time with his wife and kids, hunting, fishing, and the great outdoors.


Edgar Robles


Edgar is one of GT’s bilingual superintendents with more than 20 years of experience in concrete construction and high-rise buildings, and 10 years of experience in lining grade surveying.  He has been with Ground Thunder since 2022 and in his free time he enjoys camping, fishing, and hiking with his family.


Jessica Sherzan


Jessica joined the GT team in 2023 with 7 years of previous administrative experience.  She is currently handling the AP/AR for the dumpster and toilet divisions.  She recently obtained her degree in Computer Information Systems.  Jessica enjoys spending time at the beach with her twin daughters, and powerlifting.