THE TEAM

Driving innovation and sustainability

Our team’s collective experience spans decades, enabling us to tackle challenges with creativity and efficiency. From strategic leadership to customer relations, every member of the SunEnviro team plays a vital role in our mission to create a greener future.

Mathew is deeply committed to innovation and sustainability in the environmental services sector. With a career spanning nearly three decades, Mathew has consistently pursued operational excellence and environmental stewardship, leading SunEnviro into a bright new era.

Mathew holds professional competency certifications in road haulage, special waste, and transfer stations and is a proud member of the Chartered Institution of Wastes Management (CIWM)

Mathew Stewart

Managing Director

Mathew is deeply committed to innovation and sustainability in the environmental services sector. With a career spanning nearly three decades, Mathew has consistently pursued operational excellence and environmental stewardship, leading SunEnviro into a bright new era.

Mathew holds professional competency certifications in road haulage, special waste, and transfer stations and is a proud member of the Chartered Institution of Wastes Management (CIWM)

Quentin Stewart began his career by training as a chartered accountant with KPMG in London, where he developed a strong foundation in financial principles and practices.

In 2002, Quentin was a founding member of a team that established Terra Firma Capital Partners UK Ltd, which grew to become one of Europe’s largest private equity houses. Quentin’s extensive experience and strategic insight make him a valuable asset to SunEnviro, where he continues to leverage his financial acumen and industry knowledge to support the company’s growth and sustainability initiatives.

Quentin Stewart

Director

Quentin Stewart began his career by training as a chartered accountant with KPMG in London, where he developed a strong foundation in financial principles and practices.

In 2002, Quentin was a founding member of a team that established Terra Firma Capital Partners UK Ltd, which grew to become one of Europe’s largest private equity houses. Quentin’s extensive experience and strategic insight make him a valuable asset to SunEnviro, where he continues to leverage his financial acumen and industry knowledge to support the company’s growth and sustainability initiatives.

Simeon Stewart is a seasoned digital marketing and analytics professional with a robust background in both startup and corporate environments. Currently driving digital transformation at Spanish bank BBVA, Simeon is passionate about enhancing customer experiences and fostering growth through data-driven innovation. 

Fluent in both English and Spanish, Simeon brings a unique international perspective to his work. His areas of expertise include analytics, ecommerce, and digital marketing.

Simeon Stewart

Digital

Simeon Stewart is a seasoned digital marketing and analytics professional with a robust background in both startup and corporate environments. Currently driving digital transformation at Spanish bank BBVA, Simeon is passionate about enhancing customer experiences and fostering growth through data-driven innovation.

Fluent in both English and Spanish, Simeon brings a unique international perspective to his work. His areas of expertise include analytics, ecommerce, and digital marketing.