Green Group Holdings


David Green, President

David has over 20 years of experience in the solid waste industry. He first represented waste companies as outside counsel. He then joined the largest waste and recycling company in America where he served as a Region General Counsel in Florida and Texas before becoming Vice President and General Counsel for the company’s Southern Group.

David moved into operations serving as a Market Area Vice President and eventually managed landfill development and acquisition throughout the South. He has successfully permitted and expanded landfills, negotiated landfill privatizations and completed over $100 million in acquisitions. David remains a member of the Florida Bar Association.

Bruce L. Roy, Corporate Controller

Bruce has in excess of 25 years of business experience in accounting with the Solid Waste and Banking Industries. His experience in the Waste Industry includes the responsibilities of Corporate Controller, Chief Financial Officer and Southeast Regional Controller.

Thad Owings, Senior Project Manager - Landfill Operations

Thad has over 20 years in the waste industry working for one of the nation’s largest waste companies. His experience includes all phases of landfill permitting, construction and management for both greenfield sites and landfill expansions.

Thad has successfully negotiated contracts with solid waste authorities, major municipal contracts and large industrial customers. Thad’s expertise also extends to community outreach and engagement and working closely with elected officials throughout the permitting process.

Trey Smith, Director of Sales and Marketing

Trey has provided environmental services to manufacturers, government agencies, environmental consulting and engineering firms, and environmental contractors for over 16 years. With job duties in roles of Project Management, Business Development and Sales Management, he has extensive experience in hazardous and non-hazardous waste management and logistics, health and safety, recycling, industrial services, environmental remediation, demolition, abatement and emergency response.

His record for providing innovative, cost effective solutions has resulted in many successful projects ranging from barge, marine transfer, coal ash management, stabilization and solidification, superfund site remediation, waste by rail, and wetland restoration.

Alfonso Sifuentes, Senior Project Manager

Alfonso, who is bilingual, has more than 25 years of construction and project management experience. He successfully started and sold a manufacturing company specializing in engineered building components. He also brings knowledge in the medical waste industry having been previously employed with Stericycle, Inc.

Consulting Professionals

Green Group has a team of hand-picked professionals in the legal, government affairs and public relations arenas. This team of professionals has the highest regard within each field and provides unparalleled access and knowledge needed to move our projects forward.

Green Group Lead Engineer

William F. Hodges, P. E., Hodges, Harbin, Newberry & Tribble, Inc. – Macon, GA

Green Group Environmental Attorney

Brent Ryan, McElroy, Sullivan, Miller, Weber & Olmstead LLP – Austin, TX

Environmental Consultants

Jim Blackburn, Environmental Consultant – Houston, TX

Government Consultants

Ron Lewis, Government Affairs Consultant – Austin, TX