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6SILO

The People Behind the Machine

Behind every system we build is a team that believes in purpose over ego, collaboration over chaos, and impact over noise.

The Vision Behind It All

Don Hett

Don Hett

Founder & Vision Architect

Melbourne, Australia

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Don Hett is a founder, investor, and builder of systems. From turning a small cleaning startup into an 8-figure business with over 650 staff, to launching purpose-led brands across sustainability, tech, and wellness. Don's journey represents what 6SILO stands for: soul, scale, and structure. He built 6SILO as a venture ecosystem and future family office, creating companies that not only grow fast, but grow right.

"I don't build to exit. I build to leave something behind."

Don Hett

Focus Areas

  • Strategic direction
  • Brand design & systems
  • Capital strategy
  • Purpose-led leadership

The Team

The leaders building the future of each venture.

Shamila Amith

Shamila Amith

Executive Assistant to Don Hett

6SILO Operations

Shamila manages Don's day-to-day operations, team coordination, and high-trust communications across all 6SILO ventures, ensuring ideas flow and execution never stops.

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Shenik Fernando

Shenik Fernando

Co-Founder & CTO

Crittiks

Leads all product development, IT infrastructure, and platform architecture. Shenik ensures Crittiks scales with speed, reliability, and innovation, turning Don's product visions into technical reality.

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Nirmal Liyon

Nirmal Liyon

Co-Founder & Head of Development

6SILO Tech Infrastructure | Founder of VertexElite

Nirmal Liyon is a full-stack developer and software architect leading all development projects across the 6SILO ecosystem. As the founder of VertexElite, he brings enterprise-grade web development, cloud infrastructure, and scalable SaaS solutions to every venture. Expert in Next.js, React, TypeScript, and Node.js, Nirmal ensures 6SILO ventures are built on cutting-edge, robust technology.

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Madhushanka Rajapakshe

Madhushanka Rajapakshe

National Operations Lead

CleanKings

Oversees operations across Australia with a focus on compliance, workforce systems, and service optimization. Madhu has been with CleanKings since its early growth phase, helping scale the business to 650+ staff.

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Lahiru Rajaratna

Lahiru Rajaratna

Co-Founder

Earthy Tabs & Earthy Global

Heads supply chain and OEM logistics at Earthy Tabs. Lahiru brings expertise in sustainable product sourcing, international trade, and commercial distribution.

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Sandy Wijesinghe

Sandy Wijesinghe

Co-Founder

Earthy Tabs & Earthy Global

Leads business development, client onboarding, and operational growth across the Earthy Global OEM network. Passionate about sustainability and entrepreneurship.

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Sameera Chinthaka

Sameera Chinthaka

Co-Founder

Hela Shots

Heads product formulation, R&D, and production. Sameera bridges Sri Lankan native wellness traditions with modern nutritional science to create a new category in functional health.

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"Great ventures aren't built by lone visionaries. They're built by exceptional operators who turn ideas into reality."

Don Hett

Collaborators in Scale

We believe in long-term partnerships, not transactional work.

VertexElite logo

Lead Technology Partner

VertexElite

Led by Nirmal Liyon

Enterprise software development firm specializing in full-stack web applications, mobile development, and cloud infrastructure. Building scalable, high-performance solutions for all 6SILO ventures with 100+ projects delivered and 99.9% uptime guarantee.

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Revive Media logo

Creative Growth Partner

Revive Media

Led by Radya Liyanaarachchi

A global content and UGC strategy partner powering 6SILO brands through data-driven creativity, campaign production, and storytelling that converts.

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Toggle Digital logo

Technology & Development Partner

Toggle Digital

Led by Shalik Rizni

Toggle builds scalable, AI-ready platforms and digital experiences for Crittiks, Earthy Tabs, and future ventures across the 6SILO ecosystem.

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Ark Digital logo

Brand & Storytelling Partner

Ark Digital

6SILO's creative branding ally for positioning, messaging, and identity design, helping translate founder vision into cohesive, global-ready brands.

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Want to Build the Future With Us?

We're always looking for innovators, operators, and investors who share our belief that purpose and profit can co-exist. Join our growing network of collaborators across technology, sustainability, and creative industries.

"6SILO is more than a company. It's a family of builders."

Don Hett