About

Leadership

At Polymath Network, we are driven by a shared vision to unlock the potential of digital assets through innovation and blockchain technology. Our leadership team brings together a diverse range of expertise, from blockchain pioneers to experienced financial professionals. Together, they are guiding Polymath towards transforming how businesses and individuals interact with tokenized securities.

Martin Halford

Interim Chief Executive Officer & Chief Technology Officer

Martin is a technology-led CEO and serial CTO with over 25 years of experience building, scaling and leading globally distributed software organisations across blockchain, financial services and enterprise markets.

Previously he has led global teams of up to 200 people across Australia, the UK, India, and Hong Kong, and actively contributes to industry standards through the ISO Blockchain WG, the Accord Project TSC and Scotland’s Digital Trust Taskforce.

Natalie Hirsch

Chief Financial Officer

Helping to scale a business built on a solid foundation—both operationally and financially—is critical. At Polymath, we are on a journey to enhance that foundation by introducing innovative products and exploring strategic acquisitions that drive sustainable growth and position us as leaders in the tokenization space.

Natalie is a financial and operations leader with her last 15 years of experience spent in a variety of fintech, enterprise software, and e-commerce companies. Currently serving as CFO of Polymath, she leverages her expertise in strategic planning, financial modeling, and scaling operations to drive growth and innovation.

Natalie has held leadership roles, including most recently as Interim CEO and COO at AnalytixInsight, where she led corporate strategy, optimized business lines, and oversaw global operations, including sitting on the board of an Italian-based fintech company. A certified CPA and PMP, she combines technical acumen with executive leadership skills to deliver results in complex, fast-paced environments. Natalie holds an MBA with honors from the Recanati School of Business in Tel Aviv and a Master of Management & Professional Accounting from the Rotman School of Management in Toronto.

Matthew Andelman

Head of Business Development

Matt Andelman bridges founders, operators, and institutional capital across private markets. With 20+ years in commercial real estate and more than $100M in transactions, he combines deal experience with a deep understanding of tokenized investment structures. As Head of Business Development at Polymath, he drives strategic partnerships and helps issuers bring real-world assets onchain responsibly.

Francis O’Brien

Head of Developer Relations

Francis leads developer adoption and is responsible for scaling the Polymesh developer ecosystem and accelerating real-world integrations.

He is a frequent industry speaker, helping institutions and builders understand how to deploy and operate regulated asset workflows on-chain, including issuance, compliance and marketplace integrations.

Robert Jakabosky

Head of Applied Blockchain Research

Robert leads the R&D for cryptography and protocol design for Polymesh. He is a core technical leader and innovator. He spearheaded the adoption and integration of P-DART.  

With deep expertise in Rust and blockchain systems engineering, Robert bridges research and delivery - guiding architecture, prototyping, and implementation to ensure new primitives are secure, performant and deployable at scale

Dr. Amirreza Sarencheh, PhD

Head of Blockchain Cryptography

Dr. Amirreza Sarencheh PhD was the principal architect and driving force behind P-DART, translating key concepts from his PhD research into a practical, production-focused approach for confidential workflows on-chain.  

Bridging deep academic rigor with real-world engineering, Amirreza’s work underpins Polymesh’s institutional-grade confidentiality roadmap - ensuring new privacy capabilities are secure, performant and deployable in regulated markets