PIEDMONT, SC, June 04, 2026 /24-7PressRelease/ -- John L. Sloan III has been selected for inclusion in Marquis Who's Who. As in all Marquis Who's Who biographical volumes, individuals profiled are selected on the basis of current reference value. Factors such as position, noteworthy accomplishments, visibility, and prominence in a field are all taken into account during the selection process.

Mr. Sloan currently serves as senior project manager at Alston Construction Company, Inc. in Greenville, South Carolina, a role he has held since 2026. In this capacity, he manages schedules and addresses construction challenges, including weather impacts and subcontractor performance. He is responsible for establishing rapport with owners and guiding them through the decision-making process, balancing expectations for high-quality finishes with budget constraints. Mr. Sloan ensures project profitability while maintaining client satisfaction to secure repeat business. He is actively involved in the pre-construction phase, including participating in the bidding process to demonstrate his company's value.

Prior to joining Alston Construction Company, Inc., Mr. Sloan served as a project manager II at DeAngelis Diamond from 2022 to 2026. During this period, he further developed his expertise in commercial and industrial construction, particularly within healthcare facilities, cleanroom environments and manufacturing settings. His commitment to merging technological innovation into construction practices—especially through 3D modeling and clash coordination—distinguished his work and contributed to successful project outcomes.

From 2020 to 2022, Mr. Sloan served as production director at Jack Porter in Greenville, South Carolina, following his tenure as senior production manager at the same company in 2020. In these roles, he oversaw production operations and managed teams responsible for delivering complex projects on time and within budget.

Between 2019 and 2020, Mr. Sloan served as project manager III at AFL, where he managed large-scale projects and built enduring relationships with clients—many of whom have continued to work with him across different companies since his early career in low-voltage construction. His reliability and character are evidenced by ongoing client contact dating back to 2014 during his time at AFL, including a recent letter of recommendation provided for a current bid package.

Mr. Sloan's earlier experience includes serving as a project manager II at AFL from 2016 to 2019 and as an operations coordinator from 2014 to 2016. In these capacities, he managed field scheduling, compiled monthly and quarterly reports and gained essential operational oversight experience that laid the foundation for his advancement into management roles.

From 2012 to 2014, Mr. Sloan worked as a damage prevention specialist at USIC LLC, where he was responsible for ensuring safety and compliance on job sites. He began his professional journey as a technician I at AFL from 2011 to 2012 after working as an installation technician at Fusion Audio + Video in the Greenville area in 2010.

Throughout his career, Mr. Sloan has demonstrated exceptional expertise in commercial and industrial construction for healthcare facilities, cleanroom environments and manufacturing projects. His passion for integrating technological advancements into construction processes has set him apart as a leader in his field. He is a member of Building Industry Consulting Service International (BICSI), which sets standards for low-voltage cabling and infrastructure, and is currently pursuing the Project Management Institute - Construction Professional credential.

Mr. Sloan earned a Bachelor of Science in project management from Charleston Southern University in Charleston, South Carolina, in 2019, graduating magna cum laude. His academic achievements have been instrumental in his professional growth, providing a strong foundation in project management principles and enabling him to apply theoretical knowledge directly to real-world scenarios throughout his career.

His fascination with technology began at age three when he disassembled and reassembled his family's VCR—a curiosity that has fueled his lifelong passion for technical innovation within operational activities. Mr. Sloan credits his success to a strong work ethic instilled by his family and believes that alternative paths to achievement exist beyond traditional educational routes. By pursuing higher education while advancing professionally, he exemplifies how dedication and adaptability can lead to significant accomplishments.

Civically engaged since 2011, Mr. Sloan volunteers at Riverside Living Center alongside his father—a family practice doctor specializing in geriatrics—bringing joy to residents through regular visits. Following Hurricane Helene's impact on South Carolina, he coordinated the "Carolina Strong" relief campaign with his former company by organizing monetary, material and clothing donations from subcontractors and participating in five relief trips to deliver supplies directly to affected communities. During the Christmas season each year, he organizes and leads internal company groups supporting charitable initiatives such as the Angel Tree program.

Among his most notable honors is achieving the rank of Eagle Scout with the Boy Scouts of America. This distinction solidified his leadership abilities and remains a defining element of both his professional identity and personal values.

Born in Greenville, South Carolina, in 1992, Mr. Sloan enjoys spending time with his wife Marley, and sons Liam and Bennett—photography—having built a following for his work—and composing country music with several songs released on Spotify, most notably his full album release "Southern Proud." An outdoor enthusiast, he applies the leadership skills developed as an Eagle Scout to raising his two sons while managing Sloan Farms LLC. a small family owned goat farm in Piedmont, SC.

About Marquis Who's Who®:
Since 1899, when A. N. Marquis printed the First Edition of Who's Who in America®, Marquis Who's Who® has chronicled the lives of the most accomplished individuals and innovators from every significant field of endeavor, including politics, business, medicine, law, education, art, religion and entertainment. The suite of Marquis® publications, including Who's Who in America® and Who's Who in the World®, remains an essential biographical source for thousands of researchers, journalists, librarians and executive search firms around the globe. Marquis® publications can be viewed at the official Marquis Who's Who® website, www.marquiswhoswho.com.

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