Retired Major General Boniface Perera, a well-known supporter of the Viyathmaga organisation, has pledged support to the Samagi Jana Balawegaya.
He met Opposition Leader Sajith Premadasa at the latter's office yesterday and expressed his solidarity with the party.
Perera will be appointed an Advisor to the Professionals group of the party.
He holds a Diploma in Human Resource Management, the Diploma in Advanced Defense Management and the National Defense Degree in China.
He has been awarded the Ranashura Medal and the Ranavikrama Medal for bravery in the face of the enemy on the battlefield, as well as twelve medals, including the Distinguished Service Medal for Excellence in Discipline.