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 more than 15 years of experience in hydrology and hydrogeology. With education and experience in geology, hydrogeology, water resources engineering, and public policy, he brings a broad perspective to water resource problems.  Steve has field, modeling, and design expertise in various water resources fields including analyzing stream flow and temperature, groundwater flow and recharge, and flood hydraulics. At the USEPA, he developed smart growth policy and advised multiple federal agencies on the connections between water resources and public health. Steve is actively involved in research, with refereed publications in geology, water resources and public health, and presentations/outreach. 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 five 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 with a background in hydrology, erosion control, and agricultural engineering. Always enjoying a challenge, she specializes in GIS analysis and cartography, 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 is a water resources engineer with experience in stormwater management, field testing, and erosion control. Her masters thesis work considered the impact of the “first flush” on rainwater harvesting tanks in rural Rwanda. Kelly has gained further knowledge through performing water quality tests on drinking water in Ghana, and researching thermal enrichment from stormwater wetlands to understand stream impact of wetlands. See Kelly's full resume »

Anna Dahl has 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, and a strong interest in green building. 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 »

Tim Radatz is an agricultural and water resources engineer specializing in hydrology, erosion control, stromwater management, and agricultural waste management.  His masters thesis work considered the impact of soil moisture on surface runoff generation for agricultural basins in Wisconsin. See Tim's full resume »

Becky Olson Becky has over 22 years experience as a public information and education specialist in the areas of natural resources and environmental health. Education and public information projects include everything from childhood asthma to waste reduction & recycling; resource assessments & monitoring to public involvement planning. It is the latter items in particular that bring her to Montgomery Associates; and she looks forward to providing these services to an even wider range of audiences. When not in the office, you will likely find her on her husband’s family farm, where her family is transitioning from a small dairy operation to a diversified cash crop, cattle and custom baling agri-business.  See Becky's full resume »