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Board of directors
Our Board of Directors is highly engaged and dedicated to creating long‑term, sustainable value based on strong principles of governance. Our corporate governance framework is carefully constructed, and continually evaluated and updated, to ensure that it promotes accountability and supports our strategy to foster long‑term value and sustainable growth for the benefit of all shareholders.

Ralph Franz Gillessen
Chairman & Non-Executive Director
Ralph Gillessen is the Chairman & Non-Executive Director of Expleo Solutions Limited.
Ralph Gillessen is Group Chief Operating Officer of Expleo Group with responsibility for leading the company’s business operations and executing business strategy, protecting the company’s people and infrastructure and ensuring operational excellence, which includes the ongoing digital transformation of Expleo.
Ralph has joined SQS in 2002 and has worked in various senior sales and consultancy positions. He entered the SQS Management Board in January, 2013 and is a member of Expleo Group Executive Committee since January, 2018.
Ralph Franz Gillessen
Chairman & Non-Executive Director
Ralph Gillessen is the Chairman & Non-Executive Director of Expleo Solutions Limited.
Ralph Gillessen is Group Chief Operating Officer of Expleo Group with responsibility for leading the company’s business operations and executing business strategy, protecting the company’s people and infrastructure and ensuring operational excellence, which includes the ongoing digital transformation of Expleo.
Ralph has joined SQS in 2002 and has worked in various senior sales and consultancy positions. He entered the SQS Management Board in January, 2013 and is a member of Expleo Group Executive Committee since January, 2018.

Phani Tangirala joined Expleo on September 23, 2010 and played various roles in the last 14 years as Global Head of Insurane Vertical, Head of Digital & Technology Delivery, Head of Sales and as Chief Operating Officer.
Prior to joining Expleo, Phani worked as Senior Director at SSP India Pvt Ltd from 2008 to 2010 and was Chief Business Officer at Aetins Sdn Bhd, Malaysia from 1998 to 2008. Phani has started his career at the largest Insurance company in India, Life Insurance Corporation of India from 1991 to 1998. Over these last 33 years, Phani has created a track record in achieving revenue, profit and growth objectives in IT Services especially in the areas of Delivery & Operations, Sales, Software Development, Quality Assurance and Consulting Services offerings across various geographies and industries.
Phani holds a Bachelors degree in Mathematics and Statistics from Osmania University, Hyderabad.
Phani Tangirala joined Expleo on September 23, 2010 and played various roles in the last 14 years as Global Head of Insurane Vertical, Head of Digital & Technology Delivery, Head of Sales and as Chief Operating Officer.
Prior to joining Expleo, Phani worked as Senior Director at SSP India Pvt Ltd from 2008 to 2010 and was Chief Business Officer at Aetins Sdn Bhd, Malaysia from 1998 to 2008. Phani has started his career at the largest Insurance company in India, Life Insurance Corporation of India from 1991 to 1998. Over these last 33 years, Phani has created a track record in achieving revenue, profit and growth objectives in IT Services especially in the areas of Delivery & Operations, Sales, Software Development, Quality Assurance and Consulting Services offerings across various geographies and industries.
Phani holds a Bachelors degree in Mathematics and Statistics from Osmania University, Hyderabad.

Dr. Varadharajan Sridhar is Professor at the Centre for IT and Public Policy at the International Institute of Information Technology Bangalore (IIIT-B), India. He is the author of three books: The Telecom Revolution in India: Technology, Regulation and Policy (Oxford University Press: 2012), The Dynamics of Spectrum Management: Legacy, Technology, and Economics (Oxford University Press: 2014) and Emerging Information and Communication Technology (ICT) Policies and Regulations: Roadmap to Digital Economies (Springer: 2019); and edited book titled Data Centric Living: Algorithms, Digitization and Regulation (Routledge: 2021). He has published many articles in peer-reviewed leading telecom and information systems journals.
Dr. Sridhar has taught at many Institutions in the USA, Finland, New Zealand and India. He has been a member of Government of India committees on Telecom and Information Technology (IT) and also has industry experience in the communication industry. He has written more than 350 articles in prominent business newspapers and magazines relating to telecom regulation and policy in India. He has received funding from different sources, both national and international for his research projects.
Dr. Sridhar has a Ph.D. from the University of Iowa, U.S.A.
Dr. Varadharajan Sridhar is Professor at the Centre for IT and Public Policy at the International Institute of Information Technology Bangalore (IIIT-B), India. He is the author of three books: The Telecom Revolution in India: Technology, Regulation and Policy (Oxford University Press: 2012), The Dynamics of Spectrum Management: Legacy, Technology, and Economics (Oxford University Press: 2014) and Emerging Information and Communication Technology (ICT) Policies and Regulations: Roadmap to Digital Economies (Springer: 2019); and edited book titled Data Centric Living: Algorithms, Digitization and Regulation (Routledge: 2021). He has published many articles in peer-reviewed leading telecom and information systems journals.
Dr. Sridhar has taught at many Institutions in the USA, Finland, New Zealand and India. He has been a member of Government of India committees on Telecom and Information Technology (IT) and also has industry experience in the communication industry. He has written more than 350 articles in prominent business newspapers and magazines relating to telecom regulation and policy in India. He has received funding from different sources, both national and international for his research projects.
Dr. Sridhar has a Ph.D. from the University of Iowa, U.S.A.

Dr. Srivardhini Keshavamurthy Jha is Associate Professor of Entrepreneurship at the Indian Institute of Management Bangalore (IIMB) and Chairperson of NSRCEL, IIMB’s startup incubator, which is one the country’s oldest and largest incubators. Her research interest is in Innovation and Entrepreneurship in the emerging country context. She has published papers in several prestigious journals such as Management Information System (MIS) Quarterly, Massachusetts Institute of Technology (MIT) Sloan Management Review and Annals of the New York Academy of Sciences. She has co-edited a book titled “Shifting Orbits: Decoding the Trajectory of the Indian Startup Ecosystem”, which was published in 2021. She works closely with many startups, mentoring and advising them. She has also contributed to policy formulation around innovation and entrepreneurship at the international, national and state government levels.
Dr. Srivardhini holds a Ph.D. in Corporate Strategy and Policy from IIMB, a Masters in Management Science and Engineering from Stanford University and a Bachelor’s in Information Science and Engineering from Bangalore University. Prior to entering academia, she held senior managerial positions at Microsoft, Sun Microsystems, and Infosys.
Dr. Srivardhini Keshavamurthy Jha is Associate Professor of Entrepreneurship at the Indian Institute of Management Bangalore (IIMB) and Chairperson of NSRCEL, IIMB’s startup incubator, which is one the country’s oldest and largest incubators. Her research interest is in Innovation and Entrepreneurship in the emerging country context. She has published papers in several prestigious journals such as Management Information System (MIS) Quarterly, Massachusetts Institute of Technology (MIT) Sloan Management Review and Annals of the New York Academy of Sciences. She has co-edited a book titled “Shifting Orbits: Decoding the Trajectory of the Indian Startup Ecosystem”, which was published in 2021. She works closely with many startups, mentoring and advising them. She has also contributed to policy formulation around innovation and entrepreneurship at the international, national and state government levels.
Dr. Srivardhini holds a Ph.D. in Corporate Strategy and Policy from IIMB, a Masters in Management Science and Engineering from Stanford University and a Bachelor’s in Information Science and Engineering from Bangalore University. Prior to entering academia, she held senior managerial positions at Microsoft, Sun Microsystems, and Infosys.

Narayanan Subramaniam is a Fellow Member of The Institute of Chartered Accountants of India, Graduate Member of The Institute of Cost and Management Accountants of India, Fellow Member of The Institute of Company Secretaries of India and Post Graduate Diploma in Management from Indian Institute of Management, Ahmedabad.
A finance leader, Mr. Narayanan Subramaniam has an impressive history of more than 30 years of being a business builder across technology and start-up companies for financial restructuring and growth. With a consistent record of positioning organizations for success, he has deep proficiency in empowering individuals and growing billion-dollar businesses globally. He has extensive experience as a seasoned board member across private equity, investment management, banking, and accounting & finance. As an innovative strategist, Subbu has a speciality in directing multiple businesses with ethics and integrity. He stands at the forefront of driving profitable growth across sectors and disciplines by leveraging a comprehensive understanding of advanced processes, systems, and methods.
He is founding Chairman of Venture Capital Association of India (VCAI) under the aegis of Assocham and has been a thought leader in investing across various Asset classes from Venture, Growth, Debt and Currencies.
Currently, he serves as an Independent Non-Executive Board Member of listed companies across Banking, Recycling, Fast Moving Consumer Goods marketing industries and to be listed Asset Reconstruction business. He has held positions as Board Member in Information Technology services companies in India and abroad besides serving on Board of Information Technology Product company that has rich Intellectual Property (IPs). The rounded experience across Strategy, Finance and Banking, Compliance & Governance, Marketing disciplines makes him an invaluable addition to the Board.
Narayanan Subramaniam is a Fellow Member of The Institute of Chartered Accountants of India, Graduate Member of The Institute of Cost and Management Accountants of India, Fellow Member of The Institute of Company Secretaries of India and Post Graduate Diploma in Management from Indian Institute of Management, Ahmedabad.
A finance leader, Mr. Narayanan Subramaniam has an impressive history of more than 30 years of being a business builder across technology and start-up companies for financial restructuring and growth. With a consistent record of positioning organizations for success, he has deep proficiency in empowering individuals and growing billion-dollar businesses globally. He has extensive experience as a seasoned board member across private equity, investment management, banking, and accounting & finance. As an innovative strategist, Subbu has a speciality in directing multiple businesses with ethics and integrity. He stands at the forefront of driving profitable growth across sectors and disciplines by leveraging a comprehensive understanding of advanced processes, systems, and methods.
He is founding Chairman of Venture Capital Association of India (VCAI) under the aegis of Assocham and has been a thought leader in investing across various Asset classes from Venture, Growth, Debt and Currencies.
Currently, he serves as an Independent Non-Executive Board Member of listed companies across Banking, Recycling, Fast Moving Consumer Goods marketing industries and to be listed Asset Reconstruction business. He has held positions as Board Member in Information Technology services companies in India and abroad besides serving on Board of Information Technology Product company that has rich Intellectual Property (IPs). The rounded experience across Strategy, Finance and Banking, Compliance & Governance, Marketing disciplines makes him an invaluable addition to the Board.

Ms. Shalini Kamath, is an Independent Director on the Boards of Abbott, Borosil Renewables, Johnson Controls-Hitachi, Maple Highways (a Canadian Pension Fund CDPQ company), Expleo Solutions and Ambit Finvest.
Shalini, an MBA from Edinburgh Business School and a Harvard-trained Change and Transformation strategist, brings nearly three decades of diverse experience across India and Africa. Her HR career includes leadership roles at Chevron Texaco India, Star India, KPMG India, and Ambit Holdings, where she provided strategic business-linked people solutions and managed Corporate Communications.
Previously, she was the Deputy Marketing Director at Raytheon India. She began her career in Zambia and Botswana, working on educational and social development projects.
Currently, Ms. Kamath assists organizations transform.
Ms. Shalini Kamath, is an Independent Director on the Boards of Abbott, Borosil Renewables, Johnson Controls-Hitachi, Maple Highways (a Canadian Pension Fund CDPQ company), Expleo Solutions and Ambit Finvest.
Shalini, an MBA from Edinburgh Business School and a Harvard-trained Change and Transformation strategist, brings nearly three decades of diverse experience across India and Africa. Her HR career includes leadership roles at Chevron Texaco India, Star India, KPMG India, and Ambit Holdings, where she provided strategic business-linked people solutions and managed Corporate Communications.
Previously, she was the Deputy Marketing Director at Raytheon India. She began her career in Zambia and Botswana, working on educational and social development projects.
Currently, Ms. Kamath assists organizations transform.