Hiroto Tamai

Director/Board Member at MITSUI DM SUGAR CO.,LTD.

68 year

Energy Minerals

Process Industries

Producer Manufacturing

Profile

Hiroto Tamai is an Independent Outside Director at Mitsui DM Sugar Co., Ltd. since 2023 and at Nippon Seiro Co., Ltd. since 2022.
Formerly, Mr. Tamai was President & Representative Director at TOA Oil Co., Ltd. from 2015 to 2019, President & Representative Director at Solar Frontier KK, and EVP & COO-Energy Solution Business at RS Energy KK.

Hiroto Tamai active positions

Companies	Position	Start
MITSUI DM SUGAR CO.,LTD.	Director/Board Member	01/06/2023
NIPPON SEIRO CO., LTD.	Director/Board Member	01/03/2022

All active positions of Hiroto Tamai

Former positions of Hiroto Tamai

Companies	Position	End
TOA OIL	President	27/03/2019
SHOWA SHELL SEKIYU KK	Corporate Officer/Principal	26/03/2015
Solar Frontier KK Solar Frontier KK Building ProductsProducer Manufacturing Manufactures and sells solar power generation systems	President	-

See the detail of Hiroto Tamai's experience

Experiences
Positions held

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Inactive

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Private companies

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Connections

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Executives

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Linked companies

Private companies	5
RS Energy KK RS Energy KK Oil Refining/MarketingEnergy Minerals Produces and sells petroleum, petrochemicals, fats, oils and coal	Energy Minerals
TOA Oil Co., Ltd. TOA Oil Co., Ltd. Oil Refining/MarketingEnergy Minerals Engages in oil refining business	Energy Minerals
Nippon Seiro Co., Ltd. Nippon Seiro Co., Ltd. Chemicals: SpecialtyProcess Industries Engages in the manufacture and sale of petroleum waxes	Process Industries
Mitsui DM Sugar Holdings Co., Ltd. Mitsui DM Sugar Holdings Co., Ltd. Agricultural Commodities/MillingProcess Industries Engages in the manufacture and sale of refined sugar, sugar products and food ingredients	Process Industries
Solar Frontier KK Solar Frontier KK Building ProductsProducer Manufacturing Manufactures and sells solar power generation systems	Producer Manufacturing