Frank Stankunas

President

In 1996, Frank started Stankunas Pumping and Concrete with a $5,000 loan. Within ten years, he grew the business to more than $20 million a year, performing jobs for some of the top general contractors in the Southeast, including DR Horton and Brasfield & Gorrie. Before starting his own business, Frank worked for Sherman Concrete and Nichols Concrete Pumping.

Frank played football at Auburn University under the great Pat Dye and graduated with a degree in Physical Education in 1991. He married his college sweetheart, Sharon. They have four children, including Trace, Tyler and Hayden who work alongside their dad.

Frank is passionate about mission work. He serves on the board of the Mexico Orphan Mission (MOM) and has built churches and orphanages in Mexico, Peru and Africa.

Frank Stankunas Jr. (Trace)

Vice President, Field Operations

Trace graduated from high school in 2013 and has served in construction ever since. He’s worked for companies like Morris Shea Bridge, building auger cast piles and learning a wide range of skills, which he now brings to Silverback Concrete.

Trace provides hands-on leadership and project management for most of our ongoing jobs. He’s certified for elevated decks by the Post-Tension Institute and specializes in post-tension, elevated decks and heavy concrete.

Tyler Stankunas

Vice President, Commercial/Industrial Division

Tyler grew up with a front-row seat to heavy concrete. Starting in high school, he worked summers alongside Frank, Trace and Hayden.

Tyler holds a Building Science degree from Auburn University. He spent two internships working with self-perform concrete at Bailey Harris Construction.

Before joining Silverback, Tyler was Assistant Field Manager for the national construction firm Brasfield & Gorrie. He led a carpenter crew for the company’s self-perform concrete division. As head of Silverback’s commercial division, Tyler promotes and maintains our standards of precision and grit for every commercial and industrial project from Florida to Virginia.

Hayden Stankunas

Vice President, Florida

Like his brothers, Hayden has been involved in concrete construction most of his life and joined Silverback full-time in 2018. As head of our Florida division, he oversees commercial and residential construction from house slabs to high rises.

Hayden also leads Silverback’s pest control division, a unique service that allows us to pre-treat our own slabs. He also manages the mechanical team, ensuring that our truck fleet and heavy equipment are always battle-ready.

Jonathan Basford

Director of Operations

Jonathan has a Master of Science in Business Management from the University of Florida. He previously worked in concrete construction, but most recently served as the Director of Operations for The Family Church in Gainesville.

As Silverback’s Director of Operations, Jonathan manages our finances, facilities, human resources and more.

Jonathan and his wife have five children and are foster parents as well. They are founding members of Foster Florida, a non-profit that helps the community provide wrap-around services for foster families.

David Ahrens

Regional Director | Virginia

David has a Bachelor of Science in Mechanical Engineering from Virginia Military Institute. He oversees Silverback’s commercial concrete projects throughout the Mid-Atlantic, assisting whenever necessary. And whenever the team needs a seasoned pair of hands to help pour concrete, David’s up for it. He works with field and management teams to ensure consistent service and high-quality concrete for our customers.

With over 30 years of experience in commercial construction, David knows what it takes to lead projects and plan for the worst while striving for the best. With a background in general contracting, he brings a holistic perspective to projects and client relationships, positioning Silverback as both a subcontractor and a guide.

James Cordeiro

Director, Strategic Development

James Cordeiro, Director of Strategic Development drives business growth and fosters strong client relationships through innovative strategies and solutions.

On a typical day at Silverback James works with clients and potential clients to understand their needs and challenges, collaborating with internal teams to develop strategic initiatives, and analyzing market trends to identify new opportunities for growth.

He continuously is refining our business development strategies to ensure they align with our overall goals. Each day is filled with opportunities for creative problem-solving.

Les Jordan

General Superintendent | Virginia

Les provides hands-on leadership and management for commercial and industrial projects. He is certified by the Post-Tension Institute to install and tension post-tension slabs. His responsibilities range from layout, foundations and flatwork to elevated decks and vertical concrete.

Before joining Silverback, Les played football at Savannah State University, where he graduated with his bachelor’s degree in 2018.

Les has worked on heavy concrete jobs all over the Southeast, including a two-year job for Virginia’s largest public school in Mecklenburg County where he supervised subcontractors and jumped in alongside teammates to pour over 9,300 cubic yards of concrete.

Noah Green

Senior PM and Estimator

Noah serves as a Senior Project Manager and Estimator at Silverback and is the latest in a proud line of Auburn University alumni to join our team. Before coming to Silverback, he gained valuable experience working with a large general contractor in Nashville, Tennessee.

At Silverback, I get to experience a variety of projects within the focused niche of concrete. Everything from massive data centers, hospitals and warehouses to apartment complexes and homes.

I see our core value of Authenticity daily in how the company operates. If we strike a deal, we’re gonna keep it. Everybody on the team is a walking-talking demonstration of our brand. We’re not trying to change who we are or be someone else, and that’s why clients know intuitively that they can trust us – that we’ve got their back.

Mark Ebel

Senior Superintendent | Florida

Mark is a Senior Superintendent in Silverback’s commercial division, bringing a unique background that spans aggregate mining and multi-family construction. His previous roles laid the groundwork for success at Silverback, where construction, sand, and aggregate come together in fast-moving, high-impact projects.

A lifelong friend of the Stankunas family, Mark values the strong culture of honesty and authenticity that defines the team. He thrives on the variety and pace of the work, finding motivation in the constant problem-solving and the satisfaction of seeing progress every week.

Chandler Kitzman

Plant Manager | Florida

As Plant Manager in Mayo, Florida, Chandler oversees daily operations with a strong focus on both technical excellence and relationship management. Whether coordinating with clients or supporting his team, he works to ensure every pour meets Silverback’s high standards.

Chandler values open communication, efficiency, and the kind of trust that comes from consistency—both professionally and personally. A man of faith, he sees Silverback’s core values of Faith and Authenticity as deeply aligned with his own. For him, leadership means showing up with integrity, on and off the clock.

Raheem Saunders

Plant Manager & Dispatcher | Florida

Raheem joined Silverback as a Concrete Laborer in 2018. As a result of his strong work ethic and discipline, he soon became Silverback’s Residential Superintendent. Now, Raheem leads Silverback’s ready mix division and manages concrete dispatching across Greater Gainesville. Having dealt with all manner of slumps, timings and square footages, he can accurately plan and prepare concrete for jobs from backyards to thousands of yards.

Raheem enjoys the variety and physicality of Silverback’s commercial and residential projects. On any given day, you’ll find him prepping for heavy industrial slabs, small sinkhole pours and everything in between.

Bobby Guttry

Plant Manager | Phoenix, AZ

Bobby entered the ready-mix industry in 1998 and has built a career spanning plant operations, maintenance, and construction across Arizona. His experience includes managing multiple batch plants and mining sites, leading on-site plant builds, and running his own plant erection and maintenance business. He joined Silverback Concrete in April 2025 as Arizona Plant Manager, where he oversees plant, driver, and sales teams while also supporting projects across other markets.

Known for his hands-on expertise and problem-solving skills, Bobby takes pride in streamlining operations and mentoring teams. The core value that defines him is GRIT, a principle that guides his work every day

Paul Ebaugh

Logistics Manager | Florida

Paul is the only person we know who was a chef for 30 years and then made the leap to construction. At Silverback, he’s found that managing a kitchen and managing concrete are more similar than you might think. As he says, “Both are fast-paced and physically intense. Accomplishing the seemingly impossible in short order is business as usual. And every day, you see the fruits of your labor take shape.”

Along with Jonathan in Florida and Cameron in Virginia, Paul helps Silverback’s operational ship stay afloat. You’ll find him wearing multiple hats on any given day, from bookkeeping and HR to tech onboarding for our CDL drivers.

Benjamin Roy

Project Manager | Florida

Ben is a Project Manager, responsible for overseeing commercial construction projects from start to finish—managing schedules, budgets, and ensuring our field teams have the support they need to keep work moving smoothly and efficiently. Bringing seven years of experience from the cruise and maritime industry. 

His background has taught him how to adapt quickly, manage complex logistics, and lead teams across high-stakes environments- skills that translate directly into commercial construction. He thrives on coordinating the many parts that lead to a successful project delivery. You can count on Ben to create order out of complexity and support his teammates through tight deadlines!

Matt Bergman

Estimator & Project Manager

Matt learned the tricks of the project management trade at Universal Technical Institute of Technology (UTI/MMI). At Silverback Virginia, he estimates the cost of materials, labor and equipment for potential projects.

Similar to another Matt on our team, he doesn’t simply ship a bid and move on to the next set of numbers. Project management is the other half of Matt’s role. Clients can rest easy knowing he’ll stay involved and provide quality assurance until the last truck drives away.

Matt Godwin

Estimator & Project Manager

Matt knows dirt. He went to school for it, with a Bachelor’s in Geology from UF as proof. Before joining Silverback, Matt worked in building materials distribution, touching every facet of the business from selling and preparing bids to creating new product programs, leading marketing and navigating relationships with high-level executives.

Matt’s dirt, rock and business knowledge come in handy when estimating jobs and matching our approach to the terrain. He helps close the gap between expectation and delivery by seeing projects through to the end, ensuring that our client’s dreams and drawings translate smoothly into cold concrete.

Charity Medlock

Sales Representative | Arizona

Charity Medlock, Arizona Sales Representative, brings over 15 years of ready-mix experience to Silverback Concrete. She began her career in 2004 gaining experience in dispatch and training before moving into sales. Charity thrives on building strong customer relationships, driving growth, and helping projects come to life across the Valley

Allen Jones

Plant Manager | Virginia

Allen runs our concrete plant in South Hill, Virginia. He’s responsible for keeping the plant running efficiently, maintaining safety and cultivating an environment that stays true to Silverback’s ethos.

With 27 years of experience pumping, batching and operating mixers, Allen knows his way around concrete: what it takes to be on time, deliver superb ready mix and surpass our clients’ expectations.

Robert Wilkerson

Regional Plant Manager | Tennessee

Robert serves as the Regional Manager for Tennessee, currently overseeing startup operations for the Middle Tennessee market. His previous experience encompasses all aspects of the concrete industry, including daily quality control at concrete plants, managing plant operations, order processing, batching, and employee supervision.

He enjoys a challenge and is ready to face each day with adaptability and strong organizational skills. 

Justin Curtis

Assistant Superintendent | Florida

Justin holds a business degree from Stetson University and a Master’s in construction management from the University of Florida. Having played college football at Stetson and at UF under Billy Napier, he’s learned that a strong team can accomplish far more than a star player.

Justin juggles two roles at Silverback. As Assistant Superintendent, he’s the right hand to Les, huddling up each morning to plan the day, providing management support and onsite guidance for commercial projects. And as Field Engineer, he surveys job sites with a Robotic Total Station or RTS, a state-of-the-art tool that allows us to create dead-accurate layouts – ensuring that every building ends up exactly where it’s supposed to be, down to one-thousandth of an inch.

Cree Nettleton

Superintendent | Florida

Cree has worked in a variety of management roles since age 19. He’s developed a knack for reading people and finding solutions that benefit everyone involved. He sees shifting schedules, shortages and last-minute changes as opportunities to serve well and stand firm under pressure.

Cree runs a portion of Silverback’s residential division in Gainesville, supporting Hayden’s leadership of our Florida division and pouring concrete with our crews whenever necessary.

Kendra Scace-Alber

Safety Manager | Virginia

Meet Kendra Scace-Alber, our South Hill Safety Manager at Silverback Concrete. As our safety manager, Kendra ensures that our commercial / industrial teams are operating safely and in compliance with regulations and safety mandates. She also creates and maintains safety programs and trains our employees on safety procedures.

On the day to day Kendra is overseeing the field crew to ensure they are complying with safety rules, meeting with GCs to discuss upcoming hazards within the following weeks and does internal weekly reporting, all while working consistently with project management to improve safety.
On her off time from Silverback, she is a mother of two and the secretary of the Brodnax Volunteer Fire Department. Kendra loves spending time with her family and has a genuine passion for safety.

Derek Vasquez

Pumping Director & Operations Manager | Florida

Derek handles dispatching for Silverback’s Gainesville plant, covering a range from Sarasota to Jacksonville. He ensures our operators have everything they need, from well-maintained trucks to detailed instructions and timely updates about every job.

Derek’s role requires constant contact with drivers and clients, and he believes honesty and integrity are non-negotiable when it comes to communication. As he says, “Clients know I’ll level with them when problems arise. Sadly, it seems truthfulness has become a rare value in every sector. These days, it’s an actual point of difference if you simply tell the truth.”

Summer Schaeffer

Project Engineer | Virginia

Summer Schaffer is a Project Engineer with Silverback’s VA Division, supporting project execution through planning, fieldwork, and team coordination. With a background in sales and customer service, she brings strong communication and problem-solving skills. Summer values Silverback’s family-like culture and is passionate about safety, teamwork, and continuous growth.

Jeremy Bottoms

Field Engineer | Virginia

As a Field Engineer, Jeremy assumes responsibility for total site layout using Topcon survey systems and actively assisting with quality control and field management.

With Jeremy’s background in power line construction, he began in Silverback’s Readymix division and has since transitioned into his current role. He strives to be a reliable team player who uplifts others and amplifies the strengths of his teammates.

Austin Deters

Plant Dispatcher | Virginia

Austin is an excellent communicator with a knack for managing concrete schedules. When it comes to his role as Plant Dispatcher, he believes agility is the name of the game. When a truck needs service or the weather throws a wrench in our plans, he goes into overdrive to fill or reschedule the delivery.

Austin relishes working with a team of concrete specialists who believe ​​durability isn’t a line item. And he’s found that Silverback’s generous and supportive leadership team makes even the longest workday worthwhile.