At Green Rock, we are committed to providing effective and efficient sustainability services that are a cut above the industry standard. From environmental industry veterans with decades of experience behind them to business development and project management savants hungry to revamp outmoded systems, our dynamic team is at the ready to understand your unique challenges, negotiate the best option for your bottom line, and deliver comprehensive and economic solutions.


As a team, we believe in the long game priding ourselves on building strong, lasting relationships with our affiliates and clients across the country.


Interested in learning more about what makes us different? Get to know Green Rock.

Trey Smith | President

Trey Smith has provided waste services in the environmental industry for more than 20 years and counting. Trey’s core competency is his understanding of the markets and ability to deliver strategic, sustainable solutions to customers across the spectrum that are dealing with all facets of waste issues.


Trey has extensive experience in hazardous and non-hazardous waste management and logistics, reuse, recycling and waste-to-energy, waste treatment, remediation and industrial services, abatement and demolition, exploration and production waste, and emergency and disaster response. His record of providing sustainable, cost-effective solutions includes many successful projects that required meeting challenges ranging from marine transfer to brownfields to waste-by-rail to wetland restoration.


Prior to starting Green Rock in 2016, Trey worked with Green Group Holdings and covered projects across the United States in all aspects of waste management to include coal ash transportation and disposal for the utilities in the Southeast to oilfield waste in the Powder River Basin, Texas and the Marcelles, to long-haul projects for municipal solid waste and contaminated soils out of the Northeast. Trey continues to consult on behalf of Green Group Holdings.


From 1996 to 2012, Trey worked with Republic Services and was instrumental in the development of Republic Services’ special waste program, where he held the position of Director of Special Waste for the Eastern U.S. and had responsibilities in 20 landfill markets from Pennsylvania to Florida.


Trey earned a BS from The Citadel and a Masters in Environmental Studies from the University of Charleston and The Medical University of South Carolina.

Bob Shepard | Vice President

Bob Shepard is a 35-year veteran of the environmental industry with significant expertise in all aspects of solid waste management, including collection, disposal, and recycling.


Bob served as Vice President and Chief Operating Officer of Fennell Container Co. Inc. and its affiliate companies from 1979 until its sale in 1995 to Republic Services. During his extensive career, Bob founded or co-founded numerous solid waste service companies in the Carolinas, Georgia, and Tennessee.


He became Regional Vice President of Republic Services (RSG) for the Southern Region in 2000 and was responsible for all solid waste operations in the Carolinas, Georgia, and Florida until 2009.


A Charleston native, Bob has served on numerous Boards and Foundations including the National Solid Waste Management Association. Bob is a graduate of Clemson University and a past Chairman of the Clemson University Board of Visitors. He also currently serves on the Board of LSC Environmental Products, LLC.

Raymond Lightfoot | Director of Business Development

Raymond Lightfoot has worked in the environmental and waste industry for several years. His experience includes brownfield development projects, compliance audits, financial consulting, strategic tax planning and contract management for landfills, environmental remediation corporations, recycling, and processing plants, and waste management companies.


Prior to joining Greek Rock Strategies, Raymond worked in the public accounting field for eight years. His area of expertise included environmental industries, real estate developers, engineering, and architectural firms. Raymond was responsible for his environmental clients’ operations in the Carolinas, Kentucky, Georgia, Tennessee, and Florida.


Raymond was instrumental in guiding his clients through compliance requirements and preparing contract budgets and financial statements. In addition, he was involved with the planning and implementation of more than 10 conservation easements across the southeastern United States.


Raymond is a graduate of the University of Kentucky and currently resides on John’s Island, South Carolina with his wife and daughter. He is also an NCAA Men’s college basketball official.

Travis Shepard | Industrial Account Executive

Travis Shepard has spent nearly a decade in the waste industry focusing on the administrative, operational, and sales fields. His expertise involves optimizing the logistics involved in transportation and disposal of solid waste streams.


Following graduation from Clemson University in 2009, he went to work in operations for Republic Services. From 2010 until 2013 he learned the intricacies of collection, hauling, and disposal of the waste industry.


After finishing graduate school from Keller School of Business with a Masters in Information Systems Management in 2015; he went back to work for Republic Services in sales with a focus on account retention and acquisition. His duties involved maintaining relationships and managing more than 800 accounts, while also growing the Republic footprint in South Carolina. He focused on municipal solid waste (MSW), construction and demolition (C&D) debris, and industrial waste streams accounts for both commercial and industrial businesses.


In joining Green Rock Strategies, Travis will bring attention to Green Rock’s goals of delivering sustainable options to industries for recycling, disposal, and renewable energy.

Heather McKay | Office Manager

Mom of two beautiful girls and proud to call Mount Pleasant, SC home for nine years and counting, Heather keeps the Green Rock team in check as our Office Manager.


As a former Director of Administration and Accounting Coordinator for Atkison Pools & Spas, Heather brings over a decade of experience to the Green Rock team and its clients in budget preparation, customer service support, sales oversight, invoicing and inventory control.


With a BS in Accounting from Grand Canyon University, Heather helps the Green Rock team mind its Ps and Qs in client support, detailed project reporting, corporate documentation, proposals, business development and more.

Her goal is to ensure that our clients enjoy prompt responses and premier support. 



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