Green Earth Operations is an environmental science and engineering firm providing objective analysis and environmentally responsible solutions to meet the needs of our clients. Our team of planners, scientists, and engineers provide specialty services centered on water, ecology, environmental remediation, and sustainability planning and design.
We work locally and abroad with a diverse client group that includes developers, municipalities, industry, and non-governmental organizations. Our involvement covers all stages of project development, from concept or master planning and analysis to design development, construction documents, and observation. In each project we take on, our team continues to innovate and push the design envelope in order to improve performance, function, and resilience of both natural and built systems.
Mark Merkelbach is a civil/environmental engineer and professional wetland scientist (PWS) with 14 years of local and international experience in green stormwater infrastructure design (GSI), wetland and stream habitat design, water quality treatment, and sustainability analysis.
Dr. Lucas is recognized for his capabilities in stormwater modeling, hydraulic computations, and state of the art water quality design. He provides a wide breadth of knowledge and experience in optimizing green infrastructure stormwater infrastructure system functions and performance.
Tony Dubin provides technical analysis and project management for hydrologic and hydraulic modeling studies, wastewater and drainage planning and design, Green Stormwater Infrastructure/Low Impact Development analysis and implementation, water supply management and operations, and watershed studies.
Rosemary began working for GEO at the end of 2020 as a sub-consultant and became an employee in 2023. She has 16 years experience in consulting as a wetlands ecologist and contributes to GEO’s project work both in the field as well as on the side of research, technical writing, and strategic planning support for GEO’s principal, Mark Merkelbach. She is passionate about service to social and environmental change towards what is a sustained world of peace and balance amidst human interests, ecological systems, and land use. She loves hiking, travel, history/culture/mythology, creative writing, painting, has mastered the art of orchid growing, and considers herself a life-long learner.
Sihong joined GEO in 2023 as a landscape designer. As a recent graduate in Landscape Architecture from the University of Washington, she is passionately advocating for 4E principles: edible landscapes, ecological literacy, emotional awareness, and effective altruism. GEO’s dedication to ecological design and acknowledgment of the delicate balance between our human aspirations and the well-being of our planet resonate with Sihong’s interests and previous research. Her primary role supports the team in creating graphics and civil design drafting.
Kasia joined GEO in November 2015 as financial Manager. In her current role, Mrs. Nealis is responsible for the overall financial health of GEO, budgeting, forecasting, financial reporting and developing plans and strategies for long-term financial goals of the company. She also manages HR and office operations.