Our experienced principals, supervisors and staff have over 200 years of combined farming, ranching and agricultural experience. With this wealth of combined knowledge and involvement in the agricultural community, we understand the needs of both the land and the owners.
As General Manager of Agro Resources, Inc. Derrick Nishimura is responsible for our clients’ agricultural operations island wide, supervising both the East and West Hawaii farming teams. The crops include macadamia nuts, coffee, and tropical fruits. Derrick also plans and manages establishment for tropical crops, taking the land from brush covered property to a productive commercial operation.
Derrick is the Responsible Managing Employee (RME) for Agro Resources’ Landscape Contractors License and has a State of Hawaii Commercial Pesticide Applicator license. He works with his staff to plan and plant trees, shrubs and ground covers as part of the landscaping services offered clients.
Derrick has been involved with Hawaii agriculture for the past 32 years. His career began with the sugar industry and evolved into diversified crops ranging from mechanized coffee production, nursery production, and guava production.
He is a graduate of the University of Hawaii, with a Bachelor of Science degree in General Agriculture. Derrick is also a graduate of the Agricultural Leadership Foundation of Hawaii program with Class VII.
Derrick was the Orchard Maintenance Superintendent for Kauai Coffee overseeing the field operations; Kauai Coffee is one of the largest irrigated coffee farms in Hawaii. He was also the Orchard Superintendent for Kilauea Agronomics, LLC managing the field operations of Guava Kai, once the largest guava farm in Hawaii.
Derrick has served on the Board of the Hawaii Tropical Fruit Growers, past Member-at-Large of the State of Hawaii Board of Agriculture. He is past vice chair for the Waiakea Soil and Water Conservation District, and past vice president of the Kauai County Farm Bureau.
David Rietow has been involved in Hawaii’s agriculture for the past 35 years, primarily with diversified crops. He is a graduate of Arizona State University with a B.S. degree in Agronomy.
In addition to serving as president of Agro Resources, Inc., Rietow is president of Agricon Hawaii, Inc. Agricon Hawaii is an agricultural consulting and land management company.
He is a stockholder, director, and secretary of Keaau Agromac, Inc. Keaau Agromac, Inc. is a macadamia farming corporation.
Rietow was co-owner, vice president, and secretary of The Tropical Connection, formerly one of Hawaii’s largest grower/marketers of tropical flowers and foliages. He was responsible for all facets of production and developed unique packing material concepts aimed at reducing transit stress associated with the shipping of cut tropical flowers and foliages. Rietow was instrumental in the development of a marketing program which was, at the time, unique to the floral industry.
He was formerly vice president for production with Mac Farms of Hawaii. In this capacity he managed the company’s orchard and processing operations in South Kona, Hawaii. Mac Farms is the world’s largest grower/producer of macadamia nuts.
Prior to joining Mac Farms, Rietow was the Field Establishment Department manager for Maui Pineapple Co., Ltd. At Maui Pine, he was responsible for all facets of field preparation at the company’s Haliimaile Division.
Rietow is pass president of the Hawaii Macadamia Nut Association, a director of the Agribusiness Development Corporation and on the Board of Governors for the Hawaii Employer’s Council. He is a former chairman of the Board for the Hawaii Employers Mutual Insurance Company and is the former vice chair of the Small Business Regulatory Review Board (State of Hawaii). Rietow is past chairman of the Board of West Hawaii Explorations Academy and past chairman of the Commodity Advisor Group, Hawaii Farm Bureau Federation.
Sally H. Rice
Co-owner, Vice President
Sally Rice has been an active member of the Hawaii agri-business community for many decades. She is a graduate of the College of Agriculture at Cornell University, Ithaca, NY., with a BS degree in Animal Science.
She is the vice president, secretary and an owner of Agro Resources, Inc. Her experience includes the development of raw land into macadamia nut orchards, tropical fruit orchards, and coffee and timber plantations. She planned and managed the transition of a large abandoned sugar plantation area into a cattle ranch with a rotational pasture system and stock water ponds. Rice has planned and developed agricultural livestock and crop irrigation water systems, reclaimed abandoned macadamia nut acreage, and conducted climate zone research on sub-tropical crops such as persimmon, kiwi, pepino, low chill apples and peaches, and artichokes. Her saline water irrigation tests, done in South Kona in cooperation with the University of Hawaii, College of Tropical Agriculture and Human Resources, on macadamia, coffee, cashew, mango, vanilla and papaya were the first definitive field tests on these crops in Hawaii to determine growth, yield and quality.
In addition to serving as an officer and owner of Agro Resources, Inc., Rice is an officer and owner of Agricon Hawaii, Inc., an agricultural consulting and land management company.
Rice was previously vice president of Honomalino Management Inc., manager of Farms of Kapua, a partner and co-manager of Princeville Cattle Co., and office manager of Kahuku Ranch. She is the past executive director of the Hawaii Macadamia Nut Association, the Hawaii Tropical Fruit Growers Association and the Avocado Association. She was executive secretary of the Hawaii Cattlemen’s Association.
Rice is the president of Ka Ahahui ‘O Ka Nahelehele, a non-profit organization involved in native Hawaiian dry forest restoration. She is a member of Hawaii Farm Bureau Federation. Rice is past president and a founding director of Hawaii Forest Institute, past president and a director of Hawaii Forest Industry Association, and past president and a director of the Hawaii Tropical Fruit Growers Association. Rice served on the Hawaii County Planning Commission from 1990 to 1995.