Bernard Orso Manzonetta is the President and co-founder of Qualitech Engineering and Construction Co., Ltd.He oversees the overall operations of the company, including marketing campaigns, bid procedures, and after-sale services to ensure the highest satisfaction from our clients. Furthermore, he coordinates with the global market to ensure the company’s international emergence as well as a continual adaptation of the newest technology and international standard code. 

Bernard is of French origin with over 20 years of experience in the Thai construction business and generally the Asian market. His long-term exposure within Thailand allows him to fully understand its components and effectively utilize abundant Thai human resources to meet the local and global requirements.

Virat Aramrueng is the Chairman and co - founder of Qualitech Engineering and Construction Co., Ltd. He oversees corporate policies, strategic decision, growth, and management for all divisions to ensure the smooth operation. His responsibilities also include seeking new business opportunities as well as developing business relationship worldwide.

With more than 30 years of experience as mechanical engineer and over 20 years of experience involving with top-level management in a construction industry, he has a proven track record of his leadership, vision, and the nature of the business.

Virat receives his B.S in Mechanical Engineering with Top-Level (3) Professional Engineering license in Thailand, Post Graduate Diploma in Property Valuation, and MBA in Finance.

Jiraporn Sunthorntham is the Assistant Managing Director and co-founder of Qualitech Engineering and Construction Co., Ltd. She oversees all finance, accounting, management information system (MIS), and bank relationship for the company. Furthermore, she received specialize training in RPG Programming, NetWare Administration, and Tax Planning for Construction seminars.

With over 20 years of experience as a financial professional and over 15 year of experience as financial manager within the construction industry, her skills and experience is a great match for the company. Her expertise in information system and finance allows her to integrate the latest accounting and financial software to enhance the company’s operation.

Jiraporn received her B.S in Accounting and a master degree in Executive MBA program.

Pitan Maiprasert serves as Assistant Managing Director of Qualitech Engineering and Construction Co., Ltd., where he oversees project construction operations and work closely with the General Manager, Komkrit Srimongkol who manages the company’s fabrication facility. Together, they coordinate the comprehensive steel works production at the expansive 212,800 square meter fabrication facility for diverse industrial applications.

With over 30 years of comprehensive experience in the construction industry, Pitan brings a proven track record spanning petroleum refineries, petrochemical plants, pharmaceutical facilities, power plants, and building construction projects. His specialized expertise encompasses mechanical works, particularly in piping systems, steel structures, equipment installation, and EPC (Engineering, Procurement, and Construction) projects, as well as complex plant shutdowns and turnaround operations.

Pitan holds a Bachelor’s Degree in Mechanical Engineering from King Mongkut’s Institute of Technology. His combination of strong leadership capabilities, technical proficiency, and strategic insight consistently drives the company’s growth while ensuring exceptional client satisfaction and the delivery of high-standard, safety, and timely project outcomes.

Komkrit Srimongkol is the General Manager of Qualitech Engineering and Construction Co., Ltd. He is responsible for the overall management of the Fabrication Shop and provides comprehensive supervision and support to all project operations. With over 25 years of hands-on experience in infrastructure, industrial, and building construction, he plays a pivotal role in driving operational efficiency and ensuring the successful execution of projects.

Komkrit has established a solid background in civil engineering and has successfully led numerous public and private sector projects across Thailand including, but not limited to, road improvement, substations, tunnels, buildings, warehouses, and power plants. His diverse project portfolio demonstrates his versatility and deep understanding of complex construction challenges.

He is a licensed Professional Civil Engineer (Level II No. Sor Yor. 13636), registered with the Council of Engineering Institute of Thailand and also holds a License to practice as an Executive-level professional in plumbing installation (No. Bor Wor. 1526). His technical qualifications, extensive experience, and strong management capabilities continue to make him an invaluable asset to the organization.