Gary Wertheimer is the founder of GIW Environmental Solutions, a brand dedicated to delivering excellence in sustainable design. With a multi-disciplinary team of passionate professionals, GIW works closely with clients to provide high-quality, purposeful engineered solutions. The brand approaches every project with professionalism, diligence, and a commitment to environmental, social, and economic sustainability.

As an ESD consultant, Gary Wertheimer has extensive experience in statutory planning, ESD reporting submissions, regulatory compliance reporting, and existing building retrofits. With a background in project and development management, he understands the total development process and is well-versed in building regulations and codes. Gary leads a team of experts who are dedicated to delivering tangible expressions of ESD (Environmentally Sustainable Design) within the built environment.

GIW's team also includes Ines Buskermolen, an ESD consultant specialized in state-of-the-art and future ESD technologies, and Niraj Patel, an ESD engineer with expertise in energy efficiency and green building technologies. Kate Ellul, Mareena Saleem, Eilish Brennan, and Krunal Vyas round out the team, bringing their passion and expertise in sustainable architecture, environmental sciences, and engineering. With their diverse skill sets and commitment to excellence, GIW Environmental Solutions is a trusted brand in the field of sustainable design