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Leadership Team

Mark Gunning

Global Business Solutions Director

British, born in 1962

Mark Gunning

Mr. Mark Gunning is the Director of the Temenos Business Solutions Group, the product experts responsible for ensuring that Temenos' solutions match our clients' requirements. Mr. Gunning joined the company in 1994 and has developed Temenos software as well as overseen the launch of our operations in North America. 

Prior to joining Temenos, Mr. Gunning worked for HSBC developing and implementing their international banking systems and for Misys developing the Equation banking software package.

Mr. Gunning holds a Bachelor of Arts degree in History from the London School of Economics.

Carl Robertson

Chief Marketing Officer

British, born in 1972

Carl Robertson - Chief Marketing OfficerMr. Carl Robertson joined Temenos as Chief Marketing Officer in 2017. In this role he is responsible for the planning and execution of global marketing and corporate communications programs. Prior to joining Temenos, Mr. Robertson was VP Global Marketing at Tata Communications, a global telecom and cloud organisation.

Mr. Robertson has over 18 years' of experience in senior executive roles within leading technology organizations including Xerox, Orange and more recently Colt, where he was CMO and VP of Products.

Mr. Robertson holds a bachelor's degree in Management, Innovation and Business Strategy from Aston University, UK.

Deirdre Dempsey

General Counsel

Irish, born in 1971

Deirdre Dempsey

Ms. Deirdre Dempsey joined Temenos in 2001 as Legal Counsel and has been General Counsel of Temenos since 2008. She holds an LL.B. (Hons.) from Trinity College, University of Dublin (1994) and a Master's Degree in Law (LL.M.) from the University of San Francisco (1997). Ms. Dempsey was admitted to the New York Bar in 1999.

Prior to joining Temenos, Ms. Dempsey was Legal Director for Interbrand Wood in Switzerland, where she was responsible for review of trademarks for pharmaceuticals and related regulatory matters. Ms. Dempsey also spent several years as a jurist working in law firms in San Francisco and New York, mainly in the litigation field.

Guylaine Gaudreau

Group Human Resources Director

Canadian, born in 1969

Guylaine Gaudreau, Group Human Resources DirectorMs. Guylaine Gaudreau has been the Group Human Resources Director at Temenos since 2016 and has global responsibility for human resources. She has over 20 years' of experience in human resources and international consulting roles.

Ms.Gaudreau initially joined Temenos in 2002 until 2011 as Group Compensation & Benefits Manager and then held various positions including Executive Compensation Director, Integration Director and Group HR.

Starting her career as a pension consultant in Canada, Ms. Gaudreau then moved to Paris and Geneva for Towers Perrin to work in senior consulting roles. She also held a global account director position for Towers Watson before rejoining Temenos.

Ms. Gaudreau is a qualified Canadian actuary and holds an EMBA from the International University in Geneva.

Steen Jensen

Managing Director, Europe

Danish and Luxembourgish, born in 1962

Steen JensonMr. Steen Jensen has been European Managing Director of Temenos since 2016. Mr. Jensen joined Temenos in 2007 as Global Accounts Director and has since been in various regional roles within Europe.

Mr. Jensen has more than 35 years' experience in banking and the financial software industry. Prior to joining Temenos, Mr. Jensen worked at Misys for 10 years in a number of different roles including functional consultancy, project delivery, sales and head of the Northern and Western Europe region. Prior to that Mr. Jensen also worked at a Danish bank in Denmark, Greenland and Luxembourg. 

Martin Frick

Managing Director, Asia Pacific

Swiss, born in 1968

Martin Frick

Mr. Martin Frick is the Managing Director for the APAC region at Temenos, based in Singapore. Prior to joining the company in 2014, Mr. Frick was Managing Director of Asia Pacific for Avaloq. He has over 20 years' experience in banking and banking technology, including working as a senior executive at Raiffeisen Bank in Switzerland, as well as Executive Director and Head of Custody Processing Service at UBS.

Mr. Frick holds a master's degree in Economics from the University of Albany, SUNY.

Emily Steele

President, North America

American, born in 1971

Emily SteeleMs. Emily Steele is the President for North America, having joined Temenos by way of the acquisition of Akcelerant in early 2015.

Prior to taking up her current role, Ms. Steele was Chief Operating Officer of Temenos in North America where she oversaw all day-to-day business operations for several divisions and market segments, including customer management, delivery, software development, compliance, datacenters and IT. Ms.Steele was responsible for the sales organization for the Lifecycle suite.

Ms. Steele is a senior leader with over 20 years' of experience in the financial services industry. She has worked with companies such as Fidelity Information Services, Sanchez, Akcelerant, and Temenos. Ms.Steele joined Akcelerant in 2005 and held multiple leadership roles including Chief Operating Officer in 2010 and President in 2012.

Jean-Paul Mergeai

Managing Director, Middle-East & Africa

Belgian, born in 1961

Jean-Paul MergeaiMr. Jean-Paul Mergeai has been the Managing Director in charge of the Middle-East and Africa since 2014.

Mr. Mergeai graduated from the University of Liège magna cum laude with a master's degree in Linguistics and Information Technology in 1984. He started his career as an academic focusing his research on machine translation and artificial intelligence as applied to natural languages.

Mr. Mergeai moved to the financial industry where he joined Reuters in Luxembourg in 1989. He has over 28 years' of experience in implementing, designing, supporting or selling IT solutions for banks and financial institutions.

Mr. Mergeai joined Odyssey Financial Technologies in 2007 to manage the firm's global accounts program. He later moved to New York to manage Odyssey's North American operations.

After Temenos' acquisition of Odyssey in 2010, Mr. Mergeai managed Temenos' Private Wealth global operations and led North American sales operations until the end of 2013.

Enrique R. O'Reilly

Managing Director, Latin America & Caribbean

Mexican and British, born in 1963

EnriqueMr. Enrique R. O'Reilly is the Managing Director for Latin America and the Caribbean territories. He graduated from the National Autonomous University in Mexico as an engineer and moved to the United Kingdom in 1986 where he worked for Thorn EMI Computer Software as a consultant in the field of Management Information Systems.

After obtaining an MBA from Kingston University in London, Mr. O'Reilly joined Temenos in 1994 when the company was newly created. He started managing distributors and partners then operations in Northern Europe, moving to the U.S. in 2003 to develop new territories.

Mr. O'Reilly has more than 25 years' experience in selling and implementing Core Banking systems worldwide with a recent focus on Latin America.

Jay Jayanthan

Managing Director, India

Indian, born in 1960

Mr. Jay Jayanthan runs the Indian operations of Temenos and has been in the Information Technology industry for over 30 years. He joined Temenos in 1991 and started the Indian operation of Temenos in 1995, based in Chennai and Bangalore.

At Temenos, Mr. Jayanthan has worked across the complete lifecycle of software: product development, client support, implementation services and partner management in Europe and India. With over half the Temenos global headcount based in India, the team is responsible for the product delivery and customer support to all Temenos clients around the world.

Prior to joining Temenos, Mr.Jayanthan was working with IBM and Prime Computer in the Middle East. He also obtained a Bachelor of Engineering degree in Electronics and Communication Engineering from NIT, Trichy in India.

Andrew Reeves

Head of Temenos Cloud

British, born in 1973

Andrew Reeves

Mr. Andrew Reeves is the Head of Temenos Cloud, with global responsibility for the delivery of hosting and cloud based managed services. He joined Temenos in 2015 as Head of Technology and Operations and has developed the industry leading Temenos cloud offering which is used globally by regulated banks from retail, corporate and private verticals.

Mr. Reeves has over 20 years’ experience in IT, of which 12 years has been specifically within the financial services industry and the delivery of outsourced services to some of the largest banks and processors in the world.

Mr. Reeves holds a Bachelor of Science (Hons.) degree in Building Surveying from the University of Northumbria, UK.

Colin Jarrett

Global Head of Development

British, born in 1969

Colin Jarrett

Dr. Colin Jarrett has been the Global Head of Development at Temenos since 2016.  He is responsible for quality as well as timely and efficient development of our products.

Dr. Jarrett joined Temenos in 2016 from Accenture where he was a Managing Director. He has spent 20 years working in large scale technology delivery projects across the financial services industry with Accenture and has extensive experience of global delivery. Dr. Jarrett spent 5 years working in India building the Financial Services Delivery Excellence practice and 5 years in the Philippines leading the Banking and Payments Technology Delivery group.

Dr Jarrett holds a Ph.D. from Cambridge University where he studied Condensed Matter Physics and was elected as a bye-fellow of Magdalene College.  He is also a named inventor holding patents both with Accenture and Philips.