Our Vision

Real Assets. Global Reach. Timeless Value

At Sosna Gems Investments Inc., we believe that real value never fades.
We connect certified gemstones and fine jewelry with global customers and accredited investors across more than 125 countries.
Our mission is to build a bridge between timeless luxury and modern investing – making high-value tangible assets accessible, tradeable, and part of a truly international brand.
We operate a growing online platform, develop international partnerships, and build a trusted reputation supported by real inventory, secure structures, and transparent processes.
Our brand is not only about what we sell – but what we help people preserve, grow and pass on.

Executive Board & Founding Team

Martin Sosna

Co-Founder, CEO, Chairman of the Board,
Shareholder & Visionary

Martin Sosna has over 25 years of experience in the gemstone trade and private equity. He co-founded Sosna Gems Investments to connect timeless beauty with tangible financial value through certified gemstones.
As CEO and Board Chairman, he leads strategy, brand development and international growth with a focus on structure, elegance and innovation.
His role ensures that every offer reflects trust, long-term vision and real-world value for clients and investors worldwide.

Founder’s Voice

"Trust is our foundation. Success is our goal. Skill is our privilege. Every result is a masterpiece."

Lenka Macurova

Co-Founder, Chief Financial Officer
& Board Member

With over 25 years of experience in finance, corporate governance, and international investment management, Lenka ensures the long-term financial strength of Sosna Gems Investments. She leads the company’s capital planning, internal controls and investor structures with precision, transparency and strategic foresight.
As a shareholder and board member, she plays a key role in aligning financial growth with investor trust.

Guiding Principle

"True value is built when strategy meets discipline."

Lucie Macurova

Co-Founder, Chief Commercial & International Strategy Officer, Board Member & Shareholder

Lucie Macurova is a co-founder and board member at Sosna Gems Investments. She oversees brand direction, commercial strategy and international development — ensuring the company’s image reflects elegance, clarity and consistency.
Her role connects brand storytelling, digital user experience and global client care. She brings precision and emotion into every touchpoint, creating a customer journey that reflects modern luxury.
As a shareholder and strategic voice, she helps lead the company’s expansion with vision, partnership and a strong sense of brand purpose.

Vision in Her Words

"At the beginning, there was one gemstone. The rest was belief, vision and emotion."

Strategic Operations & Compliance Team

Petr Šaštinský

Head of Legal Affairs & Compliance

Responsible for legal oversight and compliance, ensuring all contracts and investor protections meet international standards.
Supports the brand’s credibility and legal integrity across global operations.

Key Principle

"Compliance isn’t a barrier – it’s a guarantee of trust."

Daniel Foster

Investor Relations Manager

Daniel manages direct communication with shareholders and institutional investors. He coordinates reporting, onboarding and follow-up to ensure confidence, transparency and alignment with the company’s long-term goals.

Key Principle

"Clarity builds trust — and trust builds loyalty."

Alexandra Weiss

Franchise Development Director

Alexandra Weiss leads the expansion of Sosna Gems’ global retail footprint through franchising and local partnerships. She evaluates international markets, selects strategic locations and supports new partners in launching certified luxury showrooms.

Expansion Philosophy

"Luxury grows with consistency, not speed."

Nicholas Reed

Director of Strategic Partnerships

Nicholas Reed develops and manages global partnerships for Sosna Gems, focusing on long-term collaborations in retail, investment and distribution. He identifies high-potential markets and builds alliances that support the company’s global growth.

Partnership Motto

"Growth is never a solo journey – it’s built through collaboration."

Investor Support & Communication

Amira Velasquez

Investor Support Specialist

Provides day-to-day care for investor inquiries, document requests, onboarding and post-sale service.

Key Principle

"Every investor deserves more than answers – they deserve understanding."

Jason Malik

Capital Administration & Reporting

Coordinates investment records, distribution planning and supports executive communication with shareholders.

Key Principle

"Precision in reporting is a form of respect."

Client Experience & Concierge

Our client experience team ensures that every interaction with Sosna Gems is seamless, personal and memorable. We assist clients at our presentation locations and online, offering support that reflects our values of discretion, clarity and respect.

Isabella Laurent

Client Experience Manager

Isabella oversees key client communication, personalized service and follow-up across all presentation locations and digital channels. She ensures every contact feels individual and elegant.

Key Principle

"Luxury is not just what we offer — it’s how we deliver it."

Tereza Laskavá

Concierge Specialist – Europe

Tereza manages appointment coordination, location visits and client comfort in selected EU cities. Her approach combines attention to detail with warm, discreet service.

Key Principle

"Attention to detail is the beginning of loyalty."

Global Sales & Marketing Leadership

Khalid Al-Hamdi

Regional Director – Dubai & MENA

Khalid Al-Hamdi represents Sosna Gems in the UAE and broader MENA region. He develops local investor networks, luxury retail contacts and franchise opportunities.

Key Principle

"Luxury here is personal – and trust is everything."

Emily Carter

Director of Sales & Marketing – USA

Emily Carter leads the company’s U.S. expansion and local sales strategies. She oversees B2B partnerships, key client development and brand positioning across North America.

Expansion Philosophy

"Success in America is built on clarity, speed and trust."

Anna Steinová

Sales & Brand Director – Europe

Anna Steinová coordinates Sosna Gems' European expansion, regional partnerships and localized marketing. She ensures that the brand reflects trust and excellence across EU markets.

Partnership Motto

"In Europe, brands succeed through values – not just value."

Gemology & Certification Experts

Dr. Elisa Moretti

Chief Gemologist

Dr. Elisa Moretti oversees the analysis, classification and long-term evaluation of all gemstones processed through Sosna Gems. She ensures quality, rarity and value assessments meet international standards.

Expert Insight

"Science and beauty speak the same language – when gems are the subject."

Mikhail Beran

Certification & Laboratory Relations Specialist

Mikhail manages partnerships with international gemological institutes and oversees document verification, authentication and certification consistency.

Personal philosophy

"A certificate is only as strong as the process behind it."

Sophie Lang

Procurement & Inventory Specialist

Sophie sources certified gemstones from trusted global suppliers and maintains the company’s high standards in ethical sourcing and quality control.

Procurement Philosophy

"A perfect gem starts with the right decision at the source."

Nina Holtz

Gemology Assistant

Nina supports gem classification, documentation, and lab preparation, assisting senior experts in day-to-day gem evaluation.

Personal motto

"In every stone, there’s a detail that matters more than it seems."

External Experts & Trusted Advisors

Ing. Jaroslav Jiránek

Independent Gemologist – GIA Specialist

Ing. Jaroslav Jiránek is a long-term gemological partner of Sosna Gems Investments. He provides external assessments, supports quality control and ensures alignment with international certification standards, including GIA methodology.

Expert Insight

"Precision in evaluation is the starting point of value."

Our People Are the Foundation of Our Brand

Behind every gem, every client relationship and every investor success stands a team of people who bring expertise, clarity and commitment.
We’re proud to introduce the individuals who shape Sosna Gems into a globally trusted name.

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Our Vision

Executive Board & Founding Team

Strategic Operations & Compliance Team

Investor Support & Communication

Client Experience & Concierge

Global Sales & Marketing Leadership

Gemology & Certification Experts

External Experts & Trusted Advisors

Our People Are the Foundation of Our Brand

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