Our experienced principals, supervisors and staff have over 100 years of combined agricultural experience in farming, ranching and forestry. With this wealth of combined knowledge and involvement in the agricultural community, we understand the needs of both the owners and the land.
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 is the Responsible Managing Employee (RME) for Agro Resources’ Landscape Contractors License.
David Rietow has been involved in Hawaii’s agriculture for the past 50 years, primarily with diversified crops. He is a graduate of Arizona State University with a BS 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.
Rietow was a stockholder and manager of Keaau Agromac, Inc. a 350 acre macadamia nut orchard in Keaau, Hawaii, 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 of Mac Farms of Hawaii. In this capacity he managed the company’s macadamia orchard and processing operations in South Kona, Hawaii.
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 past president of the Hawaii Macadamia Nut Association, a past director of the Agribusiness Development Corporation and past member of 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 using brackish water for irrigation.
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 a director and past 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, and the Hawaii County Charter Commission from 2018 to 2020.