Who We Are

Who We Are

Our Professionals

Our Professionals

We have nearly 80 staff in five offices in California and Hawai‘i. 3 ways to get in touch with one of our senior experts:

  • Click on the yellow bird and "tell us about your project" 
  • Search our directory of senior staff to find the expertise you need
  • Call 408.458.3200

Find a Professional

Mark Lagarde, B.S. (GIS Supervisor)
408.458.3217

Mark is the leader of H. T. Harvey’s geographic information systems (GIS) group. Throughout his career, Mark has worked closely with biologists and engineers to develop and apply spatial data on large, complex projects. He has managed more than 300 GIS projects for client reports, including detailed analysis of stream banks, spatial analysis of species of special concern, and mapping of wetlands and marshes.

Matthew J. Wacker, M.S./M.C.P. (Principal)
916.779.7353

Matt Wacker is a principal in our Sacrramento office and leads H. T Harvey & Associates’ land management services. Over his 20 years in consulting, Matt has played a key role on hundreds of projects across California related to natural resources inventory, management, restoration, and monitoring. Although his work has involved a broad diversity of sensitive taxa and habitats, his particular area of expertise is the ecology and management of grasslands, montane meadows, oak woodlands, and associated wetland and riparian ecosystems. Matt is also a Certified Rangeland Manager (CRM) licensed to prepare rangeland management plans and similar documents on nonfederal lands within California.

Max J. Busnardo, M.S. (Principal)
408.458.3222

Max Busnardo is a principal and senior restoration ecologist specializing in ecosystem restoration, wetland ecology, and watershed-scale ecological assessment. He assists Dan Stephens with leadership of H. T. Harvey & Associates Restoration Ecology group. While trained as a wetland ecologist, Max’s two decades of restoration project work spans a diversity of ecosystems found in the western United States, including tidal wetland, riparian, freshwater wetland, vernal pool, oak woodland, and coastal scrub.

Paul J. Conry, M.S. (Principal)
808.441.2081

Paul is a principal with H. T. Harvey & Associates and oversees our work in Hawai‘i. He combines knowledge of Hawaiian resources with more than 30 years of experience with State and federal environmental regulatory processes. Paul's efforts are focused on identifying workable approaches for renewable energy and land management projects in Hawai‘i, and conservation of native and endangered species.

Rachel Visscher (Landscape Architect)
408.458.3248

Rachel Visscher is a landscape architect at H. T. Harvey & Associates, with a background in design and planning. She contributes to master plans, develops conceptual designs, and prepares construction documents in support of the design and planning process for various project types, including trail and open space, urban ecology, and habitat restoration projects. Rachel also has experience thoughtfully incorporating Universal Design principles and Americans with Disabilities Act (ADA) standards into site design.

Rick Golightly, Ph.D. (Adjunct Senior Associate)

Rick Golightly is a noted seabird ecologist in northern California who specializes in the ecology of marbled murrelets and common murres. He has conducted extensive research into the behavior and ecology of marbled murrelets, both at sea and in nesting (old-growth forest) habitats. Rick uses his research results to inform the management and mitigation of impacts on murrelets ranging from potential wind turbine strikes to oil spills to the impact of national park activities on nesting success.

Robin J. Carle, M.S. (Associate)
408.458.3241

Robin is an associate and ornithologist in our wildlife group with extensive experience with the biology and habitats of common and special-status wildlife species in the greater Bay Area. Her accumulated knowledge of local wildlife species and their habitats has allowed her to contribute in-depth knowledge of species’ biology to a variety of H. T. Harvey & Associates environmental documents. She has extensive experience with the regulatory requirements of CEQA as it relates to the preparation of environmental documents, and has a strong understanding of the state and federal Endangered Species Acts, which allows her to prepare effective environmental documents that fully satisfy the regulatory requirements of the agencies that issue discretionary permits.

Ron Duke, M.A. (President and Principal)
408.458.3201

Ron Duke is a wildlife and wetlands ecologist who has directed thousands of projects since he started with the firm more than 35 years ago. President of H. T. Harvey & Associates since 1990, he guides its overall technical and philosophical direction as a premier ecological consulting firm. He is an expert on the endangered salt marsh harvest mouse and the ecology and restoration of the marsh habitat on which it depends.

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