Ontwerper van de Dag Interview
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I have been working as a jewelry designer for over two decades under the name COSTIS. My journey began in Greece, where I started an apprenticeship at a very young age with one of the country’s leading jewelers, while…
Could you please tell us about your experience as a designer, artist, architect or creator?
I have been working as a jewelry designer for over two decades under the name COSTIS. My journey began in Greece, where I started an apprenticeship at a very young age with one of the country’s leading jewelers, while later studying at the Benvenuto Cellini Institute in Valenza, Italy, focusing on jewelry design, industrial design and gemology. During my studies I also trained at Bulgari’s main workshop, which deeply shaped my understanding of craftsmanship and precision.
After returning to Greece, I established my own atelier in Athens, where I worked for many years creating one-of-a-kind jewelry pieces for an international clientele. Over time, my work expanded beyond jewelry into watches and design objects, which today form part of KRATISTOS, an emerging luxury ecosystem. Across all disciplines, my focus has remained the same: creating objects defined by craftsmanship, identity and emotional value.
How did you become a designer?
I became a designer through a very early and very clear emotional experience. I was six years old when I stopped in front of a jewelry shop window in my hometown in Greece and became fascinated by the light, the stones and the craftsmanship inside. At that moment I understood, instinctively, that this would define my life.
That feeling never changed. At seventeen I began working in a workshop while studying jewelry design in Italy. I did not approach design as an abstract idea, but as a craft that needed to be learned through practice, discipline and repetition. My motivation was never external; it was always an internal drive to understand how objects are made and how they can carry meaning.
Design became my language long before it became my profession.
What are your priorities, technique and style when designing?
My priorities always begin with concept, followed by structure and craftsmanship. Without a strong idea, a design has no foundation. Without structure, it has no integrity. Without craftsmanship, it has no longevity.
My technique is deeply hands-on. I still rely on sketching and physical modeling, especially wax modeling in jewelry, because understanding volume and proportion in space is essential. I work closely with highly skilled craftsmen, particularly in Valenza, where execution standards are extremely high.
My style is sculptural and nature-inspired, often influenced by organic forms, movement and natural structures. However, I do not impose a fixed aesthetic. Each project defines its own visual language.
Which emotions do you feel when designing?
Designing is a state of concentration mixed with curiosity. At the beginning there is always uncertainty, which I find essential, because it opens the possibility of discovery. As the idea evolves, there is a strong sense of focus and immersion, where time becomes secondary.
The most exciting phase is the transition from concept to form, when an abstract idea starts becoming physically real. That moment of transformation is what makes design deeply fulfilling for me.
There is also a quiet satisfaction in knowing that something which did not exist before is gradually becoming tangible.
What particular aspects of your background shaped you as a designer?
My background is strongly shaped by craftsmanship, discipline and material understanding. Working early in workshops taught me non-design skills such as patience, precision, problem-solving and respect for process. These are essential in jewelry, where even the smallest detail affects the final result.
Another key influence was my exposure to both Greek cultural heritage and Italian craftsmanship. Greece gave me a deep connection to nature and form, while Italy provided technical excellence and rigorous training.
This combination shaped my entire approach: creativity must always be supported by execution.
What is your growth path? What are your future plans? What is your dream design project?
My growth path has always been organic. It started with COSTIS jewelry, evolved through years of atelier work, and is now expanding into KRATISTOS as a broader design ecosystem.
My future plan is to continue developing KRATISTOS while maintaining jewelry as my core discipline. I see it as a platform where watches, objects and packaging can express the same philosophy in different forms.
My dream project would be a fully immersive luxury universe where jewelry, space, object and interaction all coexist as one integrated experience, not as separate categories but as a single narrative.
What are your advices to designers who are at the beginning of their career?
My advice is to focus on learning how things are made, not only how they are imagined. Many young designers underestimate the importance of craftsmanship and execution.
It is also important to develop patience. Good design takes time, and rushing the process often compromises the result. Another essential aspect is observation — inspiration is everywhere, but only visible to those who pay attention.
Finally, I would say: develop your own language rather than following trends.
You are truly successful as a designer, what do you suggest to fellow designers, artists and architects?
Consistency is more important than constant change. A strong design identity is built over time, not through isolated projects.
I believe designers should always maintain a balance between creativity and discipline. Creativity generates ideas, but discipline ensures they can exist in reality.
Another important point is to respect materials and craftsmanship. In luxury design especially, the quality of execution defines the final value of the work more than the concept alone.
What is your day to day look like?
My daily routine is divided between design work, production oversight and communication with workshops. Mornings are usually dedicated to sketching or developing concepts. Later in the day I focus on technical development and collaboration with craftsmen, especially in Valenza.
Travel is also a constant part of my work, whether for sourcing gemstones or supervising production. Despite structure, every day remains open to unexpected inspiration, which is an essential part of my creative process.
How do you keep up with latest design trends? To what extent do design trends matter?
I do not design based on trends. My focus has always been on timelessness and authenticity rather than seasonal direction.
That said, I remain aware of contemporary developments in design, materials and technology, not to follow them, but to understand the context in which design evolves.
My inspiration comes from nature, gemstones, craftsmanship and human behavior rather than trend cycles.
How do you know if a product or project is well designed? How do you define good design?
A well-designed object is one where concept, proportion and execution exist in complete harmony. The first thing I look for is clarity of intention — whether the idea behind the design is strong enough to justify its existence. From there, I evaluate proportion, functionality and material integrity, especially in relation to how the object will be experienced in reality, not just visually. In jewelry, for example, comfort, balance and movement are as important as aesthetics. A good design does not need explanation; it communicates directly and feels inevitable, as if it could not exist in any other form.
How do you decide if your design is ready?
A design is ready when further changes no longer improve it but only risk weakening its clarity. There is always a stage in the process where refinement shifts into repetition, and at that point I stop. It is a very intuitive decision, based on experience and sensitivity to proportion and balance. In my work, especially in jewelry and complex objects, perfection is not about endless modification but about knowing when everything is in its right place. A finished design should feel resolved, stable and complete, both visually and structurally.
What is your biggest design work?
It is difficult to define a single “biggest” work because each project represents a different dimension of my practice. However, the KRATISTOS Watch holds a very important position because it embodies precision, identity and the philosophy of a registered “A” symbol integrated into the case design. Alongside it, the KRATISTOS Shopper Bag Packaging explores interaction and the idea that a design becomes complete only when it is used, while the Pencil Bracelet reflects the origin of creativity itself. These three works together represent different expressions of the same design philosophy, and receiving international recognition for them confirmed the strength of this unified language across jewelry, objects and packaging.
Who is your favourite designer?
My most important reference in design is my mentor, with whom I worked during my formative years in the industry, and who was part of Bulgari’s creative environment. He is a designer I deeply admire not only for his creative vision, but also for his exceptional technical mastery and understanding of high jewelry craftsmanship. He is also a two-time winner of the De Beers Award for Design, which reflects his excellence in the field at an international level. Beyond awards and recognition, what influenced me most was his approach to discipline, precision, and respect for materials. His way of working shaped my understanding that true design is not only about ideas, but about the ability to execute them at the highest possible standard.
Would you tell us a bit about your lifestyle and culture?
My life is divided between Greece and Italy, particularly Athens and Valenza, which represent two essential pillars of my identity: cultural inspiration and technical excellence. Greece connects me to nature, light and form, while Italy represents precision, structure and craftsmanship. Travel is a constant part of my work, especially when sourcing gemstones or working with workshops internationally. Music, observation and silence all play roles in my creative process. I believe design is deeply connected to culture, and my lifestyle naturally reflects the balance between creativity, material exploration and production reality.
Would you tell us more about your work culture and business philosophy?
My work culture is based on respect for process, craftsmanship and clarity of communication. I work closely with specialized artisans and workshops, particularly in Valenza, where precision and expertise are essential. Collaboration is very important, but so is maintaining a strong and clear creative direction. When selecting partners, I look for technical excellence, reliability and a shared understanding of quality. I believe successful design requires both artistic vision and disciplined execution, and my responsibility as a designer is to ensure that both are aligned throughout every stage of production.
What are your philanthropic contributions to society as a designer, artist and architect?
My contribution is primarily through the preservation and promotion of craftsmanship. By working closely with artisans and supporting high-level handmade production, I contribute to sustaining traditional skills that are increasingly disappearing. I also believe in supporting emerging designers by sharing knowledge and experience whenever possible. Design has a social responsibility when it comes to quality, longevity and respect for materials. In that sense, every object that is made with integrity contributes, even in a small way, to a more conscious design culture.
What positive experiences you had when you attend the A' Design Award?
Participating in the A’ Design Award has been a very meaningful experience, especially because it allowed my work to be recognized across different disciplines, including jewelry, watches and packaging design. One of the main benefits of design competitions is visibility, not only to the public but also to an international professional audience. Another benefit is validation, as it confirms that a design language is understood beyond its original context. Finally, it creates connection with a global community of designers. Being selected as Designer of the Day is a recognition of consistency across different projects, and it reinforces the importance of maintaining a coherent creative philosophy across all fields of design.