Simon H.

Group CTO at B2C2 | Board Advisor | Founder with 2/2 Successful Exits | Expertise in Technology Leadership, Corporate Governance, Growth & Transformation

London, England, United Kingdom

About

Experienced technology and governance leader with over 20 years of senior executive experience across fintech start-ups, global financial institutions, and high-growth trading firms. As Group CTO / CIO, I have led technology strategy, transformation, and resilience in complex, regulated environments, shaping scalable platforms that underpin growth. I bring board-level perspective from founding, scaling, and successfully exiting businesses, alongside deep expertise in capital markets technology, electronic trading, and digital transformation. My focus is on aligning technology with business strategy, managing risk and governance effectively, and enabling long-term value creation. Recognised for clear strategic thinking, commercial acumen, and the ability to challenge constructively, I contribute by asking the right questions, ensuring strong governance, and supporting executive teams to deliver results. Passionate about building diverse, engaged teams and enabling innovation within a framework of strong oversight and accountability, I aim to bring this balance of entrepreneurial drive and governance experience to board and advisory roles. Led initiatives exploring and implementing AI across sales, trading and operational workflows, focusing on efficiency, risk management, and scalable decision-making frameworks. I bring practical experience in embedding emerging technologies responsibly while maintaining robust governance and operational control.

Experience

  • Group CTO & CISO at B2C2
    Mar 2018 - Present · 8 yrs 4 mos

    Directed the development and operational resilience of B2C2’s proprietary crypto-native technology, including OTC trading platforms, exchange execution, streaming price feeds, and digital asset derivatives, underpinning reliability across market cycles.  Oversaw security governance and risk frameworks to ensure robust protection, regulatory alignment, and scalable delivery across global operations. Partnered with fellow executive leadership on investor and regulator communications, aligning technological strategy with enterprise growth and compliance objectives, particularly in high-growth and emerging regulatory environments. Led cross-functional initiatives promoting transparency, operational oversight, and structured execution in institutional product offerings. Embodied governance mindset in all technology and security decisions, acting as a strategic advisor to the board on digital infrastructure maturity and risk mitigation. Built an AI team to investigate initiatives to enhance sales and trading decision-making, operational efficiency, and risk management, ensuring adoption aligned with governance, compliance, and ethical standards.

  • Chief Technical Advisor at Cross Stone Capital Management
    Mar 2023 - Present · 3 yrs 4 mos

    Provided strategic technology and governance advisory to a specialist trading firm operating in the carbon credits market. Advised the leadership team on the design and oversight of trading platforms, data integrity, and operational resilience, ensuring systems met the standards expected by institutional investors and regulators. Guided the partners on risk management, compliance, and governance structures in a complex and evolving market. Advised on the integration of technology strategy with business objectives, supporting growth, transparency, and investor confidence. Brought capital markets and trading expertise to help shape the firm’s market positioning and execution capability.

  • Global Head of Connectivity, Head of Commodities IT EMEA at TP ICAP
    Jan 2017 - Mar 2018 · 1 yr 3 mos

    Directed group-wide technology strategy and governance for connectivity, market infrastructure, and commodities trading platforms across EMEA. As part of the IT senior management team, reported directly to the Group CIO with responsibility for integration programmes, regulatory compliance (including MiFID II), and post-acquisition change initiatives. Accountable for group-wide connectivity architecture, ensuring resilience, scalability, and regulatory compliance in global trading operations. Led commodities IT delivery as a trusted business partner, aligning technology strategy with commercial growth and evolving client needs. Played a central role in post-merger integration following the Tullett Prebon acquisition of ICAP, balancing operational efficiency with regulatory commitments. Partnered with senior leadership and regulators to deliver MiFID II compliance frameworks, embedding governance and oversight into technology strategy. Contributed to strategic IT change programmes, driving operational excellence, risk management, and long-term value creation.

  • Global Head of Connectivity, Head of Commodities IT EMEA at ICAP
    Feb 2013 - Dec 2016 · 3 yrs 11 mos

    ICAP — prior to acquisition by Tullett Prebon Provided strategic technology leadership for ICAP’s global trading infrastructure, with responsibility for governance, risk oversight, and delivery of critical market-facing systems. Partnered with senior leadership and business heads to align IT programmes with strategic objectives, regulatory requirements, and client needs. Oversaw the execution of more than 30 technology initiatives across connectivity, market infrastructure, and commodities trading, ensuring projects were delivered on time and with strong governance, cost control, and risk management. Ensured that technology programmes supported regulatory compliance and business growth, embedding transparency and accountability in delivery. Acted as a trusted partner to the business, shaping IT strategy and execution in line with broader commercial and operational priorities.

  • Founding Partner & CTO at Prometheus Partners LLP
    Mar 2009 - Feb 2013 · 4 yrs

    Co-founded and scaled a proprietary trading and market-making firm, combining deep capital markets expertise with cutting-edge technology. As CTO and partner, provided strategic leadership on technology, governance, and risk, ensuring the business was built on a foundation of resilience and scalability. Board-level responsibilities as a founding partner, contributing to strategic direction, risk management, and investor relations. Designed and oversaw the development of proprietary trading platforms to support market-making, arbitrage, and algorithmic strategies. Ensured strong governance and compliance frameworks in high-velocity trading environments. Key contributor to the firm’s successful growth, delivering significant operating profit over 5 years, and exit valuation for investors.