NETHIA INTERIORS

SHILLAH WANJIRU

Chief Executive Officer/ Lead Designer

Shillah Wanjiru is the Founder, Chief Executive Officer, and Creative Director of Nethia Interiors, one of Kenya’s most visionary design houses redefining modern luxury.
Her leadership blends artistry with strategy  a rare equilibrium of creative brilliance, business intelligence, and emotional depth.

What began as an interest in real estate evolved into a deeper calling: to shape how people feel within spaces. Guided by this philosophy, Shillah has built Nethia Interiors into a brand that stands at the intersection of emotion, architecture, and artistry  a movement that challenges traditional design norms while setting new standards for excellence.

Under her direction, Nethia has become synonymous with refined craftsmanship, innovation, and human-centered luxury. Shillah’s design language celebrates context  weaving Kenya’s rich cultural identity with global sophistication to create interiors that are not just seen, but felt.

A strategist at heart, she has architected a business model that marries creativity with scalability  empowering her team to push artistic boundaries while maintaining operational precision. Her approach to leadership is deeply human, cultivating a culture where ideas thrive, collaboration flourishes, and every project becomes a masterpiece of intention.

Beyond her work at Nethia, Shillah is an influential voice in Africa’s design and entrepreneurship landscape. She mentors emerging designers, advocates for sustainability, and champions the inclusion of women in design leadership. Her thought leadership continues to inspire a new generation of African creatives to think boldly and design purposefully.

For Shillah, design is not just about space  it is about story, soul, and transformation. Through Nethia Interiors, she continues to redefine what luxury means in Africa and beyond: a feeling, an experience, and a legacy.

JOY WAMBUI

Social Media Manager

As the Social Media Manager at Nethia Interiors, Joy Wambui is the creative strategist behind the brand’s digital storytelling and online influence. She leads Nethia’s digital presence with a refined understanding of how luxury and design translate across modern platforms.

Through a thoughtful blend of strategy, creativity, and analytics, Joy curates digital narratives that embody Nethia’s identity  elegance, innovation, and emotion. From crafting visually immersive campaigns to fostering authentic engagement, her work transforms social media into a powerful extension of the brand experience.

Joy’s leadership ensures Nethia’s digital voice remains consistent, sophisticated, and culturally attuned  positioning the brand not just as a design firm, but as a lifestyle authority shaping the future of luxury interiors in Kenya and beyond.

JONATHAN MASIKA

Interior Designer

A visionary at the intersection of art, architecture, and emotion, Jonathan Masika embodies Nethia Interiors’ ethos of designing experiences that move the soul. His work transcends aesthetics  crafting immersive spaces where beauty, precision, and emotion coexist in perfect harmony.

Design Philosophy
Jonathan’s process is deeply human. He begins by understanding how people live, feel, and interact with their spaces translating those insights into designs that are not only visually captivating, but personally resonant. Each project becomes a story intimate, layered, and unforgettable.

Creative and Technical Mastery
Merging artistry with innovation, Jonathan’s expertise spans advanced 3D visualization, sustainable material integration, and sensory-driven design. His refined command of spatial flow, proportion, and texture allows him to shape environments that feel timeless yet distinctly modern.
His toolkit includes:

• High-end 3D rendering and visualization

• Architectural detailing and space optimization

• Material and lighting curation

• Color psychology and emotional design

Project Leadership
Jonathan leads with precision and calm authority managing complex projects through disciplined structure, seamless collaboration, and creative agility. Every detail, from concept to installation, reflects his unwavering pursuit of excellence.

Design Impact
From intimate residences to expansive commercial spaces, Jonathan’s designs transform how people experience their environments  evoking emotion, inspiring presence, and defining modern sophistication. He doesn’t just design spaces. He composes atmospheres that stay with you long after you’ve left them.

BRIAN BAYA

Chief Of Operations 

As Chief of Operations at Nethia Interiors, Brian Baya is the strategic backbone of the firm  translating creative vision into seamless execution. His leadership ensures that every design, every client experience, and every operational detail reflects the precision, sophistication, and excellence that define the Nethia brand.

Operational Leadership and Strategic Systems
Brian designs the frameworks that keep creativity flowing effortlessly. From workflow systems to project delivery protocols, he ensures that Nethia’s operations are efficient, agile, and built for scale. His approach harmonizes artistry with structure  ensuring that the firm’s pursuit of beauty never compromises on performance.

Project Excellence and Quality Control
He oversees the full project lifecycle timelines, budgets, resource management, and quality assurance — guaranteeing that each project moves with clarity, accountability, and precision. Under his guidance, every deliverable aligns perfectly with Nethia’s promise of design excellence and client satisfaction.

People and Performance Optimization
Brian’s leadership is deeply human. He nurtures collaboration across design, marketing, and client service teams, fostering a culture of ownership and innovation. His focus on professional growth and team development strengthens Nethia’s capacity to perform at a world-class standard.

Client Experience and Strategic Growth
Beyond operations, Brian champions the client journey  refining systems for transparency, responsiveness, and ease. His data-informed strategies and operational foresight continuously enhance efficiency, profitability, and overall brand performance.

A visionary in systems design and execution, Brian Baya transforms Nethia’s ambition into actionable, scalable reality ensuring that what begins as creative brilliance culminates in flawless delivery, every single time.