About us

Cumulus9 is reshaping the landscape of risk management for exchange-traded derivatives. We leverage the power of cloud technology to unlock new dimensions in margin forecasting and risk analytics. Our intuitive platform presents a best-in-class approach, enabling financial market participants to better anticipate the potential changes in margin requirements during periods of stress.

Services

Our services are directed at derivatives professionals who want to take away the burden of managing data and complex margin methodologies to operate more effectively.

Mission

Our mission is to increase transparency of derivatives margin models and improve the ability to assess market risk to make market participants better prepared for stress events and reduce systemic risk across the financial industry.

Vision

Our vision is to be the best in class globally for risk analytics on exchange-traded derivatives and to create innovative software that simplifies and improves processes for assessing market risk.

Meet the Team

  • Giuseppe Fiocco

    Founder & Managing Director

    Giuseppe is the founder of Cumulus9 and acting as Managing Director and lead architect at Cumulus9.

    Giuseppe founded Cumulus9 after recognizing a critical gap in transparency around margins and risk management through years of industry experience. Before founding Cumulus9, Giuseppe worked as Head of Market Risk and Chaired the Management Risk Committee at G.H. Financials. Giuseppe began his career as a market risk analyst at ICE Clear Europe. Giuseppe holds a BSc in Mathematics and an MSc in Risk and Stochastics. Giuseppe is passionate about coding and developing innovative cloud-native applications.

  • Rafik Mrabet

    Managing Director

    Rafik is a senior risk professional in financial services, acting as Managing Director, leading business development at Cumulus9.

    Rafik specialises in derivatives trading and risk management, risk methodology and has practical experience in designing and developing risk models. He has led the design and development of the innovative margin risk system, ICE Risk Model 2 (IRM 2), at Intercontinental Exchange Inc (ICE), and has been listed at an Inventor in the IRM 2 patent. His prior roles include Head of Risk at ICE Clear Europe, one of the world’s most diverse and leading clearing houses, Structured Credit Trader and Risk Manager at Mizuho.

  • Geno Luchmun

    General Counsel

    Geno is the General Counsel at Cumulus9, also advising on the company's business strategy. He attended law school at the College of Law in York and holds a degree in Business Studies.

    Geno worked at LIFFE for 14 years becoming Head of Legal and Company Secretary.  At NYSE Euronext, Geno headed up the legal team in the successful tender to become the administrator for LIBOR following a recommendation to HM Treasury. Geno was heavily involved in the acquisition of NYSE Euronext by ICE. Geno also worked at ICAP as General Counsel and MD Regulation of its recognised investment exchange before joining Kaizen Reporting.

  • Sam Artuso

    Chief Technology Officer

    Sam is a full-stack developer with 14 years of experience, acting as CTO at Cumulus9. Working closely with Giuseppe, he focuses on building innovative and scalable tech solutions, leading teams, and executing the company’s technical strategy.

    Sam is an experienced software developer who began his programming journey at the age of 14, self-learning from his bedroom. With a career primarily in the City of London, he has held positions at notable companies such as Lloyds Banking Group and the Financial Times. Outside of work, Sam is an avid runner, having completed several half marathons, and enjoys scuba diving and traveling, with adventures in over 50 countries.