1983 – Graduated from Marmara University Faculty of Economics and Administrative Sciences Department of Economics
1980- Started to serve as an Independent Accountant and Financial Advisor in an Office of Financial Consultancy which was founded by him.
1998- Sworn-in Certified Public Accountant. Mr. Yaşar, founding partner of Sırdaş Y.M. Consulting Inc. still practicing his profession there.
1989- He is one of the founders of the “Meslekte Birlik Grubu Grubu” (The Unity of Profession Group) founded under Istanbul Birlik Foundation’s responsibility
2013-Awarded the title of Independent Auditor by KGK – BD/2013-0349
2014- Awarded “Cap Auditor” at Mercek Independent Audit and Inc.
Turkey Green Crescent Society Chairman of the Supervisory Board
Darülaceze Presidency, Member of the Board of Directors