Home > Board of directors
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 many books in telecom including the recent one on “5G and Beyond: Rewiring Telecom Regulation” published by the Oxford University Press. 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 and also has industry experience in the communication industry. 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., Masters in Industrial Engineering from IIM Mumbai and B.E. (Honours) from the College of Engineering, Guindy, Anna University.
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 many books in telecom including the recent one on “5G and Beyond: Rewiring Telecom Regulation” published by the Oxford University Press. 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 and also has industry experience in the communication industry. 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., Masters in Industrial Engineering from IIM Mumbai and B.E. (Honours) from the College of Engineering, Guindy, Anna University.

Dr. Srivardhini Keshavamurthy Jha
Independent Director
Srivardhini K. Jha is Professor of Entrepreneurship at the Indian Institute of Management Bangalore (IIMB). Her research and teaching interest is in Innovation and Entrepreneurship in the emerging country context. She has published extensively in top-tier international journals, written books, and authored several reports, white papers and thought leadership articles. She has also contributed to policy formulation on innovation and entrepreneurship at both the State and National levels. In recognition of her teaching excellence and her contributions to shaping India’s entrepreneurial ecosystem, she was conferred the National Teachers’ Award in 2025.
Srivardhini holds a Ph.D. in Corporate Strategy and Policy from IIMB, an MS in Management Science and Engineering from Stanford University and a BS is Information Science and Engineering from VTU. Prior to entering academia, she held senior managerial positions at Microsoft, Sun Microsystems, and Infosys.
Dr. Srivardhini Keshavamurthy Jha
Independent Director
Srivardhini K. Jha is Professor of Entrepreneurship at the Indian Institute of Management Bangalore (IIMB). Her research and teaching interest is in Innovation and Entrepreneurship in the emerging country context. She has published extensively in top-tier international journals, written books, and authored several reports, white papers and thought leadership articles. She has also contributed to policy formulation on innovation and entrepreneurship at both the State and National levels. In recognition of her teaching excellence and her contributions to shaping India’s entrepreneurial ecosystem, she was conferred the National Teachers’ Award in 2025.
Srivardhini holds a Ph.D. in Corporate Strategy and Policy from IIMB, an MS in Management Science and Engineering from Stanford University and a BS is Information Science and Engineering from VTU. Prior to entering academia, she held senior managerial positions at Microsoft, Sun Microsystems, and Infosys.

Mr. Narayanan Subramaniam is a postgraduate from IIM Ahmedabad and fellow member of the Institute of Chartered Accountants of India, the Institute of Company Secretaries of India and Grad. CMA from the Institute of Cost Accountants of India. He is one of the pioneers of private equity in India since 1997. He is a Finance Leader and has an impressive history of 30 plus years of being a business builder across technology, start-up companies. He has extensive experience in private equity, investment management, banking accounting & finance. He possesses expertise in asset management, risk management, system implementation, corporate governance and strategy. Mr. Subramaniam is currently retired and serves as an Independent Non-Executive Director on the Boards of several Companies, including Ganesha Ecosphere Limited, NCS Soft Solutions Private Limited, Asset Reconstruction Company (India) Limited, Jyothy Labs Limited, Milky Mist Dairy Food Limited, and Shriram Wealth Management Limited. He also actively mentors young entrepreneurs.
Mr. Narayanan Subramaniam is a postgraduate from IIM Ahmedabad and fellow member of the Institute of Chartered Accountants of India, the Institute of Company Secretaries of India and Grad. CMA from the Institute of Cost Accountants of India. He is one of the pioneers of private equity in India since 1997. He is a Finance Leader and has an impressive history of 30 plus years of being a business builder across technology, start-up companies. He has extensive experience in private equity, investment management, banking accounting & finance. He possesses expertise in asset management, risk management, system implementation, corporate governance and strategy. Mr. Subramaniam is currently retired and serves as an Independent Non-Executive Director on the Boards of several Companies, including Ganesha Ecosphere Limited, NCS Soft Solutions Private Limited, Asset Reconstruction Company (India) Limited, Jyothy Labs Limited, Milky Mist Dairy Food Limited, and Shriram Wealth Management Limited. He also actively mentors young entrepreneurs.

Shalini Kamath is an Independent Director on the Boards of Abbott India ( Healthcare), Bosch Home Comfort India (Consumer Durables), Ambit Finvest (NBFC), Maple Highways ( InVit), Expleo Solutions (Technology), Healthium (MedTech). She completed her tenure as a Director with Borosil Renewables, Graphite India and NGO TRRAIN. She has been a Past Chairperson for FICCI Women on Corporate Boards Mentorship Program. She helps organizations through their Change and Transformation journey to enhance productivity, efficiency, processes, systems and organizational culture apart from being Certified and practicing CEO & Leadership Coach. Her career spans across Human Resources, Corporate Communications and Marketing with large multinational companies - Chevron Texaco, Star, KPMG & Ambit Shalini began her working career in Zambia and Botswana in Southern Africa. Over a decade, she worked with the Governments in Education and Social & Community Development.
She is an MBA graduate from Edinburgh Business School, UK. Trained at Harvard Business School in Change and Transformation. An alumni of CSC Global leadership program. A certified Zenger Folkman & Hogan facilitator. Her passions include Music, Travel & Home Interiors.
Shalini Kamath is an Independent Director on the Boards of Abbott India ( Healthcare), Bosch Home Comfort India (Consumer Durables), Ambit Finvest (NBFC), Maple Highways ( InVit), Expleo Solutions (Technology), Healthium (MedTech). She completed her tenure as a Director with Borosil Renewables, Graphite India and NGO TRRAIN. She has been a Past Chairperson for FICCI Women on Corporate Boards Mentorship Program. She helps organizations through their Change and Transformation journey to enhance productivity, efficiency, processes, systems and organizational culture apart from being Certified and practicing CEO & Leadership Coach. Her career spans across Human Resources, Corporate Communications and Marketing with large multinational companies – Chevron Texaco, Star, KPMG & Ambit Shalini began her working career in Zambia and Botswana in Southern Africa. Over a decade, she worked with the Governments in Education and Social & Community Development.
She is an MBA graduate from Edinburgh Business School, UK. Trained at Harvard Business School in Change and Transformation. An alumni of CSC Global leadership program. A certified Zenger Folkman & Hogan facilitator. Her passions include Music, Travel & Home Interiors.