Our Management Team

Aaron Hallmark: CEO

Aaron has over twenty years of technology experience in cross-asset trading, clearing, risk management, and accounting. His experience in analysis, development, project management, and consulting spans the US, Canada, the Middle East, and Asia Pacific; it includes projects with clients such as JPMorgan Chase, HSBC, Citibank, Morgan Stanley, HKMA, and SGX.

Aaron received a BS from Stanford University in Symbolic Systems with a focus in Artificial Intelligence, as well as an MBA from the University of Southern California’s Marshall School of Business.

Before joining Catena Technologies, Aaron spent more than nine years with Calypso Technology, a global financial software and services company focused on cross-asset trading, risk management, and processing. He led Calypso’s Professional Services team for the Americas, then became Director of Professional Services, Asia South. Aaron has extensive experience as a project manager and director, and in-depth systems delivery knowledge related to OTC and exchange-traded vanilla and derivative products trading, clearing, risk management, and back-office processing.

Randall E. Duran: Chairman

Randall has over twenty years of technology consulting experience and has worked with major financial institutions around the world, including: Goldman Sachs, Nomura Research, Salomon Brothers, Standard Chartered, Credit Suisse, DBS Bank, China Construction Bank, and the Shanghai Stock Exchange.

Randall received his BS and MS in Computer Science from the Massachusetts Institute of Technology (MIT).

Before founding Catena Technologies, Randall was Asia Pacific Vice President of Enterprise Solutions for Reuters PLC. He also spent eight years with TIBCO Finance Technology Inc, the pioneer of delivering digital market data to trading floors in the 1990s and one of the foremost innovators of middleware messaging technology. He has managed software development, technology consulting, and business operations in the Silicon Valley, London, and Singapore.

Randall is an adjunct professor at the Singapore Management University, teaching graduate courses on financial services solutions and architecture.

Ian Hobson: Director

Ian is a director of Catena Technologies and is on the boards of several technology companies in the UK. As Vice President of the global technical services team, Ian was responsible for starting up and managing European operations for the company now known as TIBCO Inc. Before TIBCO, Ian was IT Director at Hambrecht & Quist (now Chase H&Q) in San Francisco, a company with a unique record of working with high technology growth companies.

Before H&Q, Ian was a manager for Andersen Consulting (now Accenture) in San Francisco and London, gaining valuable experience in managing large systems integration projects. He has a BSc in Engineering from Imperial College of Science and Technology.