Founder of “Tonus-Les” company - Levon Hakobyan

From 1968 to 1973 studied electrical engineering in Polytechnic Institute after Karl Marks, specialization: electrical engineer.
In 2000 Levon Hakobyan founded “Tonus-Les” LLC and up to 2019 was the founding-director of the company.


"Tonus-Les" is a big family with its successes and problems, which with all its pages is like an opera performance.

Levon Hakobyan

Sergey Hakobyan - CEO and co-founder of the “Tonus-Les” company

Specialization: economist.

From 1994 to 2001 studied at the Faculty of the World Economy of Yerevan State Institute of National Economy;

From  2004 to 2019 held the position of commercial director of "Tonus-Les" company, since 2019 is the chief executive officer of the company.


Lilit Hakobyan - Financial Director and co-founder of the “Tonus-Les” company

Specialization: pharmacologist.

From 1995 to 2000 studied Pharmacology in Yerevan State Medical University (Department of Pharmacology).

Since 2002 and up to date holds the position of Financial Director of “Tonus-Les” LLC.

Our team

Liana Kirakosyan

Pharmacy chain director

Tsovinar Adamyan

Head of the Quality Assurance and Quality Control

Karina Gevorgyan

Human Resources Manager

Arthur Sargsyan

Head of the Medical Representation Department

Anna Stepanyan

Head of the Regulatory Affairs Department

Anzhela Tadevosyan

Head of Contract Research Services Department / Qualified Person - Production

Hakob Karapetyan

Investigator of CRS Department / Head of Production

Anna Mnatsakanyan

Head of Market Research and Development Department

Tevos Ghukasyan

Senior Production Technologist

Liana Poghosyan

Chief Accountant

Zhan Stepanyan

Head of Wholesale Drug Supply

Mihran Tashchyan

Wholesale Warehouse Responsible Person

Marine Harutyunyan

Responsible Person for the Group of the Call Center Operators