Rob Montgomery has more than 25 years experience in consulting engineering. He has used a background in hydrology and hydraulic engineering to participate in a wide variety of water resources, environmental and civil engineering projects. Areas of specialized expertise include the hydrology and hydraulics of rivers, streams and wetlands, stormwater quantity and quality management, the management of contaminated lands, especially those adjacent to watercourses, and shoreline protection design. See Rob's full resume »

Nancy Zolidis has over 19 years experience in hydrogeology and water resources management. She has used a background in geology, environmental studies and computer modeling to participate in a variety of interdisciplinary investigations. Nancy co-directed the 1990 Water Resources Management Practicum and Workshop at the Institute for Environmental Studies, University of Wisconsin-Madison. Topic for the workshop was Urban Wetlands in the Yahara-Monona Watershed: Functional Classification and Management Alternatives. Nancy has taught courses in physical geology, environmental geology, hydrogeology, and computer modeling. See Nancy's full resume »

Ben Nelson is an environmental scientist with more than 8 years of experience in consulting engineering. He has used his education and work experience in the physical and biological sciences to perform a wide range of tasks on civil and environmental engineering projects. His role on these projects has ranged from directing construction activities, performing quality assurance, data interpretation, design, and project management. Areas of specialized expertise include erosion control, stormwater management, subsurface investigations, construction management, and site/civil design. Ben has extensive experience on erosion control for utility projects. See Ben's full resume »

Steve Gaffield has 20 years of professional and academic experience in hydrogeology and water resources engineering, giving him a broad perspective on water issues. Steve earned an M.S. degree studying an Alaskan glacier, and then applied this knowledge of glacial geology for 5 years as a consulting hydrogeologist in Madison. After volunteering at the Grand Canyon teaching visitors about its natural history, Steve received a PhD in geological engineering studying southwestern Wisconsin trout streams. Steve worked on drinking water protection issues as a post-doctoral researcher at the Wisconsin Geological and Natural History Survey, and he developed public policy integrating land use, water resources and public health during a fellowship at the U.S. Environmental Protection Agency. Steve returned to Madison and joined Montgomery Associates in 2004, where he applies this experience to watershed planning, stormwater management, groundwater protection and development, flood analysis, and lake and wetland restoration. See Steve's full resume »

Jon Lefers has a background in hydrology and hydraulic engineering to participate in several projects related to water resources.  Jon has particular technical expertise in applying hydrology and hydraulics to environmental management and is familiar with a wide  range of modeling approaches to these issues. Areas of specialized expertise include the hydrology and hydraulics of rivers and streams, and stormwater quantity and quality management. In addition, Jon has specialized knowledge of soil moisture modeling, specifically applying to the modeling of infiltration and groundwater recharge. See Jon's full resume »

Jeff Hruby has more than 10 years of design and project management experience in water resources and environmental engineering consulting.  He has used his background in geological engineering, hydraulics, hydrogeology, and hydrology to perform a wide variety of work on environmental and civil engineering projects.  Areas of specialized expertise include hydrology and hydraulics of rivers and streams, infiltration, stormwater quantity and quality management, erosion control, wetland and waterway permitting, NPDES permitting and compliance, and bank stabilization and shoreline protection.  Jeff has worked with a broad range of clients, including utilities, private developers, and municipalities. See Jeff's full resume »

Linda Severson is a water resources engineer with a diverse background in biological and physical sciences. For the past 5 years she has worked as both a consulting engineer and environmental scientist integrating her education, research, and work experience. Areas of specialized expertise include stormwater management, infiltration, limnology, and biology. In particular, Linda has research experience focused on modeling and designing infiltration practices. See Linda's full resume »

Siggi Sigmarsson is a water resources engineer with a broad interdisciplinary perspective on water policy and management. He has more than 3 years experience in consulting engineering, analyzing and designing water supply distribution systems and storm and wastewater sewer systems. Areas of specialized expertise include stormwater management, hydrologic and hydraulic analyses, water supply, and water resources planning and management. Siggi has also acquired experience on various research projects including green roof modeling and monitoring and comprehensive environmental enhancement plans. See Siggi's full resume »

Danielle Lee is a biological systems engineer and GIS specialist with a background in hydrology and hydraulics, erosion control, floodplain modeling, and non-point source modeling. She has expertise in GIS analysis and cartography, integrating LiDAR data, and the Soil and Water Assessment Tool (SWAT). She has acquired additional experience through Engineers Without Borders doing soil quality assessments in Muramba, Rwanda. See Danielle's full resume »

Kelly Doyle has nearly 4 years of experience in several areas of water resources and environmental engineering including, field sample collection, long-term environmental monitoring, floodplain modeling, hydrologic and hydraulic analysis, stormwater management and design, erosion control monitoring, bacteriological sampling, and rainwater harvesting. See Kelly's full resume »

Anna Fehling has over 3 years of consulting experience in both water resources engineering and geotechnical engineering, as well as expertise in GIS analysis. With her academic training in geological engineering and geology, she has a practical and theoretical understanding of complex groundwater issues. She has experience in a wide variety of field testing, including surface and groundwater monitoring, soil infiltration testing, soil classification, and nonpoint source nutrient monitoring and loading analysis. See Anna's full resume »

Jon Radloff has more than 13 years of experience in consulting engineering.  A problem solver by nature, he has always had an innate interest in water, so his position as a water resource engineer is a perfect fit for him.  He likes the challenge of protecting lakes and streams from the effects of stormwater runoff, or helping to rehabilitate those resources if the effects of stormwater runoff have taken their toll.  He values the relationships he has built assisting municipalities with their diverse and challenging stormwater issues and also enjoys working on unique projects such as private pond design, water conservation and re-use through rain gardens and rain barrels, and serving on stormwater technical committees. See Jon's full resume »

Mike Schwar is a water resources engineer with more than 20 years of experience in consulting, the Federal government and academia. His work focuses on the hydrology and hydraulics of surface water systems, with special emphasis on the restoration of streams, rivers, lakes and wetlands. He has worked on more than 100 surface water projects in 17 states and Puerto Rico, including more than 30 with significant ecosystem restoration components. He has led teams in the planning, design and construction of projects ranging from small streambank stabilization measures and pocket wetlands to large regional flood control structures. His combination of experience and expertise allows him to develop reliable solutions to challenges where environment and engineering interface. See Mike's full resume »

Debbie Hatfield has more than 30 years experience in consulting engineering. Her experience includes design and construction engineering for a wide range of civil engineering projects including landfills, bridges, new public and private streets and utilities for plats and sites, and street and utility reconstruction. She values the strong relationships she has developed with staff at state and local agencies, along with other consultants and contractors. She has always had special interest in the stormwater management component of her projects. Debbie provides real world application and implementation of innovative stormwater management practices for civil engineering projects by blending her interest in water resources with her experience in project management. See Debbie's full resume »