|Chairman||B. Grimm||1987 - Present|
|Director, Executive Committee||B. Grimm||1981 – 1986|
|Assistant to Managing Partner||B. Grimm||1979 - 1980|
|Honorary Doctor of Business Administration Degree (Management)||July 2016|
|Certificate – Institute of Business & Business Development||November 2013 – March 2014|
|Certificate – Thailand Energy Academy||November 2012 – March 2013|
|Certificate – Capital Market Academy||August – December 2010|
|Certificate – National Defense College||September 2004 – September 2005|
|Master of Business Administration (Lie.oec.HSG)||University of St. Gallen, Switzerland|
Current Position in Other Companies:
|Chairman||Amata B.Grimm Power Ltd.
Amata Power (Bien Hoa) Ltd.
B. Grimm Power Ltd.
B. Grimm Energy Corporation
Carrier (Thailand) Ltd.
|Vice Chairman||Siemens Ltd.|
|Director||Carl Zeiss Ltd.
Hamon B. Grimm Ltd.
|Independent Director||Siam City Cement Public Co. Ltd.
True Corporation Public Co. Ltd.