Ryotaro Sumi

Ryotaro Sumi

Director/Board Member at Mitsui Water Holdings (Thailand) Ltd.

63 year
Finance
Utilities
Consumer Services

Active connections

NameGenderAgeLinked companiesCollaboration
Walainut Trivisvavet F 53 9 years
Prem Liemsakul M 48 10 years
Tomonori Suzuki M 53
14 years
Koji Nagatomi M 62
21 years
Tomoaki Matsumoto M 51
10 years
Pipat Katikul M 56 9 years
Hideo Matsumoto M 51
7 years
Hiroaki Sagane M 52
6 years
Hisashi Onozuka M 57
18 years
Kazushige Katamura M 55
-
Sumio Matsumoto M 59
36 years
Kiyoshi Okubo M -
-
Payao Marittanaporn F 66 9 years
Hiroshi Sugita M 49
26 years
Satoshi Osawa M 66
14 years
Masanobu Itoh M 69
-
Akihiro Noguchi M 47
22 years
See more

Connections Chart

Multi-company connection

Former connections

NameGenderAgeLinked companiesCollaboration
Sompodh Sripoom M 65 9 years
Chaiwat Utaiwan M 69 4 years
Narong Sangsuriya M 80 15 years
Anyanee Kerrick F - 1 years
Vittaya Changeutai M 42 4 years

Statistics

CountryConnections% of total
Thailand 13 59.09%
Singapore 9 40.91%

Age of Connections

Active

Past

Male

Female

Members of the board

Executives

Origin of connections