Didier Bouillard
Chief Executive Officer

Didier Bouillard joined Calypso as CEO in April 2018 and is based in London. Prior to Calypso Didier served as CEO of Ullink, global provider of connectivity and trading services, beginning early 2015. The main objective of the assignment was to merge NYFIX, acquired by Ullink late 2014, and to transition the overall group from a founder led business into a professionalized Private Equity owned business. After experiencing multiple years of steady growth of revenues and profits Ullink was successfully sold to Nordic Capital backed Itiviti. Prior to Ullink Didier was Executive Vice President at Sungard Financial Systems (now part of FIS) and operated a substantial part of the Capital Markets and Electronic Trading division, playing a key role in the global distribution.

Didier started his career in the 1990’s and has been part of successful entrepreneurial ventures providing leadership as partner, Managing Director and CEO (Ubitrade, Capital Fund Management, Fermat) where he gained extensive knowledge of the capital market industry as well as a true international exposure.

Didier graduated from Ecole Nationale des Ponts et Chaussées in 1988.

Richard Bentley
Chief Product and Engineering Officer

Richard Bentley joined Calypso in June 2019 as Chief Product and Engineering Officer, in which role he oversees product management, engineering and quality assurance.

Prior to joining Calypso, Richard served as Chief Product Officer for Ullink (now part of Itiviti) for five years. He was a member of the founding team of Apama (now part of Software AG) in 2000 and has also served in various product roles for capital markets technology firms over the last 20 years.

Richard began his career as a research scientist, holding roles with Xerox Research Centre (EuroPARC) and the Fraunhofer Institute. Richard holds PhD and BSc degrees in Computer Science from Lancaster University, UK.

Laurent Jacquemin
Chief Customer Officer

Laurent Jacquemin is the Chief Customer Officer, responsible for Calypso’s global Customer, Professional Services and Cloud organizations. Before joining Calypso, Laurent led FIS’ global Post-Trade-Processing business, as a Division Executive. Prior to this role, he spent nearly 7-years with Sungard Financial Systems as the Global Head, then the EVP and then the Group President of Post Trade Derivatives. Earlier he spent 3 years with GL Trade as a Managing Director and 11 years with Ubitrade in a variety of management roles in Professional and Customer Services, in Product Development and Strategy and in Sales. Laurent started his career as an IT Analyst and Project Manager in the Artificial Intelligence space with GSI TESCI. He earned engineering degrees in Chemistry and Physics from Paris based ESPCI in 1988.

Helene Koutsoudakis
Chief Financial Officer

Helene Koutsoudakis is the Chief Financial Officer, responsible for enterprise-wide oversight of Calypso’s financial operations, including financial planning and analysis, driving commercial and operational improvements, and managing relationships with our stakeholders. Prior to this role, Helene served as an Operating Partner at HG Capital supporting their portfolio businesses in the software and broader technology sectors. Previously, she was with Advanced Computer Software Group as Group Finance Director where she played a pivotal role in the sale of the business to Vista Equity Partners in March 2015. Prior to that, she spent over 8 years with COA Solutions (acquired by Advanced Computer Software Group) as Group Financial Controller responsible for leading the integration process of COA solutions into the larger Advanced Software Group. Helene earned a degree in Accounting from the Rand Afrikaans University (now University of Johannesburg) in 2001 and ACCA qualification from The Association of Chartered Certified Accountants in 2005.

Mayank Shah
Chief of Staff

Mayank Shah is Chief of Staff, responsible for Strategy, Partnerships, Marketing and Sales Operations. In his role, he is also responsible for driving strategic initiatives including operating model transformation, long term strategic plan and our investments in building an ecosystem of cloud based service partners powered by Calypso’s trading system. Prior to joining Calypso, Mayank served as Senior Product Manager at Citadel Technology, the technology subsidiary of Citadel Investment Group. Previously, Mayank has been an Associate Partner at IBM and Senior Manager at BearingPoint (ex. KPMG Consulting), managing several strategy and transformation projects at global Financial Services clients. Mayank holds an MBA from the University of Maryland, College Park, USA and an undergraduate degree in Mechanical Engineering from Bombay University, India.

Tej Sidhu
Chief Technology Officer

Tej Sidhu is Chief Technology Officer, with particular focus on the development and execution of Calypso’s cloud and technology innovation strategy. Prior to joining Calypso, Tej served as a senior executive with Blue Titan Software. Previously, he served as President of Velocigen, an early innovator in the web services software market. He also co-founded Infinity Financial Technology in 1989, leading to its IPO on NASDAQ in 1996, and subsequent acquisition by SunGard. Tej holds a master’s degree (Sloan Fellow) from the Stanford Graduate School of Business and an undergraduate degree from the University of Pennsylvania.

Jonathan D. Walsh
Chief Administrative Officer

Jonathan Walsh is the Chief Administrative Officer, responsible for Calypso’s global human resources, information technology, legal and office services organizations. Prior to this role, he served as Calypso’s Chief People Officer for 4 years. Before Calypso, he was the Executive Vice President of Human Resources for Clear Channel Outdoor where he spearheaded the company’s global human capital strategy. Prior to that, he held senior human resources leadership positions with Providian Financial and Washington Mutual and its acquirer, JPMorgan Chase. Jonathan has a B.A., Cum Laude, in Psychology from Wabash College and received an M.A. in Industrial/Organizational Psychology from Roosevelt University.