Crafting spaces, engineering
dreams with exclusive designs that come to life

Mr. Shamil Tissera, a Singaporean professional with over 12 years of industry experience, leads SD Design as its Founder and Principal Design Consultant. He established the business in 2014 with a vision to provide reliable, accurate and practical design solutions for residential, commercial and mixed-use developments. Over the years, SD Design has grown into a trusted provider of architectural drafting, technical design documentation, building-services coordination and 3D visualisation services.

With extensive hands-on experience in architectural and technical drafting, Mr. Shamil oversees the preparation of 2D AutoCAD layouts, detailed floor plans, dimensional drawings, building-services layouts and 3D architectural models. His work also includes conducting site measurements, preparing drawing revisions, assisting with spatial planning and coordinating mechanical, electrical, fire protection and water supply layouts to support design development and project implementation.

Since its establishment, SD Design has delivered over 7,500 technical and MEP drawings and more than 15,000 3D visualisation solutions to clients across Singapore, Australia, Malaysia, Thailand, Dubai and Sri Lanka. Under his direction, the business supports interior designers, contractors and property owners by providing accurate technical drawings, realistic 3D presentations and practical design coordination. SD Design also offers express design delivery and flexible drawing revisions to accommodate different project requirements.

Mr. Shamil holds a Master of Business Administration (MBA) from Northumbria University, a Bachelor of Engineering (Mechanical) from the University of South Australia and a Diploma in Mechatronics, specialising in Automation, from Temasek Polytechnic. Combining his engineering knowledge with practical experience in architectural drafting and technical design, he remains committed to delivering quality work, maintaining strong client relationships and supporting successful project outcomes.

Mrs. Dharshani Dayananda, a Permanent Resident of Singapore, is a dedicated Human Resource professional with over nine years of experience in HR operations, recruitment, payroll, and administrative support. Since joining SD Design in 2016, she has played a vital role in strengthening the company’s HR systems, enhancing internal processes, and fostering a supportive, compliant, and people centric work environment. Her deep understanding of HR practices, combined with her ability to multitask and manage complex responsibilities, makes her an integral part of the management team.

She holds a Master of Science in Global Human Resource Management (MSc) from the University of Roehampton, London, and a Professional Qualification in Human Resource Management (PQHRM) from the Institute of Personnel Management, Sri Lanka. As a Singapore Permanent Resident, she brings both international academic insight and local industry experience to her role, enabling her to align HR strategies with SD Design’s vision for growth and employee development.

Earlier in her career, she worked at the Aitken Spence Group of Companies in Sri Lanka from 2007 to 2011, serving as a Junior Executive in the Outbound Department. It was during this time that she discovered a strong interest in organizational development and human resource management prompting her transition into the HR field, where she continues to thrive and contribute meaningfully.