Konstantinos concluded his 18 months of training at the office of Prof.Dr.K.Finokaliotis and became a member of the Bar of Thessaloniki in February 1999 when he joined the office of Prof. Dr. P. Kornilakis.
He joined KOUMENTAKIS & ASSOCIATES in 2004 and now he is a Partner in the law firm.
He is also working as a (not in house) lawyer for Piraeus Bank since 2002. Since 2010 a lawyer at the Supreme Court.
He has an extensive experience in litigation as well as in corporate legal consulting.
His area of expertise also extends to all aspects of civil law and bank contracts law.