Daniel Roberts, PhD. Dr. Daniel Roberts is a specialist in soil science and plant nutrition, with a doctorate from the University of New Hampshire. He is a member of ASEV and SSSA. He has been a board member and technical advisor to AVF. Since 1981, he has worked throughout the vineyards of California, Chile, Argentina, Australia, and Italy. The well-established organizations of Kendall Jackson, Sterling, Field Stone, and Renaissance have all employed his services in the areas of land evaluation, vineyard design, vineyard development, and all aspects of technique management. It is with this solid hands-on industry background that Dr. Roberts decided to form IWG. He has dedicated this unique consortium to guiding vineyards toward the goal of meeting and surpassing the wine industry's ever-increasing standards.
Tucker Catlin Viticulture, the development of grapes specifically grown for wine-making, is Tucker Catlin's chosen specialty. After earning his degree from UC Davis, Mr. Catlin became one of the early pioneers in developing sophisticated links between vine development and its end product. After working and researching for the renowned Sterling Vineyards, he went on to manage one of the largest single vineyard properties in the Napa Valley. He has designed and developed more than 1,000 acres in Napa, Sonoma Coast, Anderson Valley, Santa Rita, Santa Lucia, Paso Robles, and acreage as far away as Portugal. Now a valued member of the Integrated Winegrowing Consortium, Tucker brings his energy and formidable experience to the challenges of property assessment and vineyard design. And, from plan to completion, he is frequently called upon to serve as liaison for IWG. In that capacity he is able to work directly with clients to insure the cohesive handling of all budget, engineering, permit acquisition, and construction elements of a project.
Mark D. Greenspan, PhD. Dr. Mark Greenspan holds a Masters degree in Horticulture/Viticulture and a Doctorate in Agricultural Engineering, both from the University of California at Davis. His 17 years of academic and commercial research has led him to be regarded as one of the world's leading experts in winegrape irrigation. He is widely published on the subject and is regularly invited to share his knowledge at many respected industry and scholastic venues. IWG also calls upon his experience in vineyard climate and microclimate analysis, vineyard mineral nutrition, crop load management, GIS, GPS, spatial data analysis, and grape maturation.
Paul Anamosa, PhD. Dr. Paul Anamosa holds, among other degrees, a Doctorate in Soil Fertility Management from UC-Davis, an M.S. in Viticulture, and an M.S. in Soil Chemistry. He has gathered twenty-eight years of international experience as a professional soil scientist. He has worked in the California viticulture industry for over ten years.
Nathan Baty Nathan Baty owns and operates Nathan Baty Viticultural Services, with its home-base in Sebastopol, California. IWG regularly calls upon Nathan to consult with vineyard owners and management on irrigation technologies and the interpretation of climatic data. He is an expert in the use and installation of Adcon telemetry. This highly-evolved equipment is the weather station and soil moisture monitoring system that has become the industry standard.
James Stamp, PhD. Dr. Stamp received his Doctorate in plant biology from the University of Birmingham, in the UK. His post-doctoral research in viticulture and enology was done at the University of California, Davis. Dr. Stamp has dedicated his career to the study and practice of plant propagation and improvement. He has worked in biotechnology programs focused on invitro and genetic plant improvement, disease elimination, and commercial propagation of elite germplasm. After co-founding the Vinifera Grapevine Nursery and founding the NovaVine Nursery, he formed Stamp Associates. IWG looks to Dr. Stamp for sourcing high quality plant material and his viticultural services as an important information and solution provider.
Heather Uriarte      For the past five years, Heather Uriarte has applied her versatile skill sets to guarantee the smooth running for many of the operational parts of IWG. She expedites all property investigation projects and production reports. She heads up the coordination and management of the tissue sampling process. And, jumping to a completely different field of expertise, Heather handles the entire Accounting Department for Integrated Winegrowing.      She received her Bachelor's degree in Viticulture and Enology from UC Davis. The Kendall-Jackson Winery hired her right out of college to work as a Research Viticulturist. During the next two years that title included the collecting and organizing of weather, soil, and grapevine data on over 13,000 acres of California vineyards. Heather also headed up numerous research trials for Kendall-Jackson throughout the state.      This organizational experience is what she brings to IWG's table and has made her an irreplaceable part of the IWG team.
Mike Bobbitt Mike Bobbitt is one of the leaders in the development of innovative grapes-to-wine applications for Geographic Information Systems (GIS) and Global Positioning Systems (GPS). He has operated in the US and internationally since 1989. Since establishing Mike Bobbitt & Associates in 1997 he has been instrumental in making these technologies a vital part of today's vineyard and winery industry. His group of specialists assist growers and producers in the sometimes complex use of these technologies. Their methods generate higher overall quality standards in production and in the product itself. They are able to improve operational efficiency and help to develop more effective marketing materials. Mike Bobbitt and his firm provide a number of mapping services.