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Our Leadership

TCG DIGITAL > Leadership

Our Leadership

Chief Mentor

Dr. Purnendu Chatterjee is the founder, and Chief Mentor of The Chatterjee Group (TCG). Founded in 1989, TCG is a premier firm, with investments and operations spanning across several continents and industries. From 1989 to 2000, Dr. Chatterjee had been closely associated with Soros Fund Management, and he served as an Investment Advisor to entities in the Quantum Group of Funds for over 13 years. In this role, Dr. Chatterjee had been responsible for investments of over $3 billion around the world.

 

As a Partner at McKinsey & Company Inc., Dr. Chatterjee advised leading companies on strategic, organizational, and operational issues.

Dr. Purnendu Chatterjee, Chief Mentor
The Chatterjee Group

Under Dr. Chatterjee’s leadership, TCG has garnered over 3 decades of experience in leveraged acquisitions of operating companies and other private-equity transactions. TCG has compiled a highly successful investment record in India in a number of key areas: Financial services, Pharmaceuticals, Life sciences, Information Technology services, Software, Engineering, Petrochemicals, Chemicals, and Real estate.

As one of the primary founders of the Indian School of Business, Dr. Chatterjee is passionately committed to promoting Entrepreneurship as the key to India’s economic development. He is a trustee of The Asia Society and is a member of the College of Engineering Advisory Board at the University of California, Berkeley. He also serves on the boards of several Group companies.

Dr. Chatterjee received a B.Tech from the Indian Institute of Technology, Kharagpur, and a M.Sc., and Ph.D. in Industrial Engineering and Operations Research from the University of California, Berkeley.

Our Key Board Members

TCG Digital’s Board of Directors is drawn from reputed leaders across domains and industries. The board provides valuable inputs and guidance to the organization.


Mikael Hagstroem
Executive Chairman

Mikael has over 30 years of experience in digital transformation and has held several critical leadership roles while helping organizations  … 


Vijay Chaudhry
Board Member

Vijay is one of the eminent board members of TCG Digital and an Executive Director and Principal Advisor of The Chatterjee Group  … 


Roopen Roy
Board Member

Roopen is one of the key board members of TCG Digital and the founder and CEO of Sumantrana Management Consultants, LLP   … 

Our Key Leaders

Our Leadership has a wealth of collective experience and technical and business acumen needed to define and direct digital strategy.


Debdas Sen
CEO

Debdas is the CEO of TCG Digital, the flagship, modern-age technology company of The Chatterjee Group … 


Sudipta Sen
President - Asia

Sudipta has over three and a half decades of an illustrious career with a significant CEO/Partner level exposure …


Wolf Lichtenstein
President - Europe

Wolf spearheads TCG Digital as the President, Europe. Previously, Wolf has served as the General Manager at C3.ai, EMEA  … 


Debjyoti Gupta
CTO

Debjyoti has over two decades of experience in offering business applications and BI/ analytics solutions …


Jagat Mohan Sarkar
CPO

Jagat is an accomplished HR & OD professional with an experience of nearly two decades … 


Monisha Malhan,
EVP - USA

Monisha has over twenty years of experience in the consulting and data science industry. Prior to joining TCG Digital  …


Horia Orenstein,
VP - Oil & Gas

Horia is widely recognized as a Senior Expert and trusted advisor in Digital Transformation. With a rich career spanning over two decades …


Prith Chaudhury,
VP - USA

Prith is a highly experienced leader, specializing in digital transformation of large enterprises with a focus on Aviation, Manufacturing, Life Sciences and Retail sectors. … 


Arunava Mitra,
VP - EMEA

Arunava Mitra has over 15 years of technology consulting experience in the areas of enterprise architecture, data management, and analytics…


Supratik Banerjee,
VP - India
Supratik, who is based in Mumbai,  is currently heading TCG Digital’s Business Analytics for India and the South/Southeast Asia region…

Nikhil Chauhan,
VP - Oil & Gas

As the Vice President – Oil & Gas at TCG Digital, Nikhil has played a critical role in the collaboration of the organization with Lummus Technology to form the joint venture Lummus Digital …


Amitabha Sinha,
VP - Analytics

Amitabha currently heads TCG Digital’s Analytics  Practice for the SAARC region…

Our Advisory Board Members

TCG Digital’s Advisory Board comprises of eminent members who bring novel and unique insights to the organization.

David Cowles

David is an eminent Advisory Board Member at TCG Digital, where he brings his years of applied AI experience to the advantage of TCG Digital’s mcube product and other services …


Amit Bhattacharyya

Amit is an Advisory Board Member at TCG Digital. As the Head of Data Science at Vox Media and being a Lecturer at UC Berkeley, Amit brings valuable insights to the organization …

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Mikael Hagstroem

Mikael has over 30 years of experience in digital transformation and has held several critical leadership roles while helping organizations solve business problems and harness sustainable growth. At present he is the Executive Chairman to TCG Digital’s Board and is also working as the CEO of LabVantage Solutions Inc., a provider of laboratory informatics solutions and services, and a group company of The Chatterjee Group (TCG)..

 

Before joining LabVantage, Mikael was the CEO and President at MetricStream. He also held the positions of EVP at SAS and that of the President at SAS International where he was responsible for successful development of global sales strategy along with business development. He undertook full operational and P&L responsibility for a majority of countries in Europe, Middle East and Africa. He also played a crucial role at McKinsey & Company as the Partner and as COO at McKinsey Analytics during which he helped in harnessing high-performance analytics across industries; thus, enabling companies to reshape their business models, modernize their organizations, and unlock sustainable value from big data and advanced analytics.

 

Besides, Mikael is currently on the Board of Advisors of the AI Forum and has served as Chairman of the World Economic Forum’s Global Agenda Council on Data-Driven Development and on the Global Future Council. He has also been the Chairman of the American Chamber of Commerce to the EU, Executive Committee member of the U.S. Council for International Business, and has served as an Executive Board member of the Atlantic Council. He is also an Independent Director of Planet Smart City.

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Vijay Chaudhry

Vijay is one of the eminent board members of TCG Digital and an Executive Director and Principal Advisor of The Chatterjee Group (TCG). Additionally, he also serves as a Non-Executive Director of Haldia Petrochemicals.

 

He holds a B. Tech from Indian Institute of Technology, Bombay and an MBA from the University of Toronto. Vijay brings four decades of globally enriched experience to the fields of Industrial and Infrastructure Development. His illustrious career spans across 25 years of service with the World Bank Group, and has contributed widely to the fields of technology, management consulting and financial services, both in India and the USA with TCG. He has served as the President of Haldia Petrochemicals and is presently acting as a director for a number of TCG companies.

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Roopen Roy

Roopen is one of the key board members of TCG Digital and the founder and CEO of Sumantrana Management Consultants, LLP, an advisory firm focused on guiding, advising, and mentoring start-ups and young entrepreneurs. He brings 36 years of experience during which he has advised numerous clients across diverse industry verticals such as, financial services, technology, public sector, and energy & resources. In his previous roles, he has served Deloitte Consulting, India, as the Managing Director and Country Leader and was also a member of the global leadership team. Before that, he was the Managing Director at PricewaterhouseCoopers, where he pioneered the IT services-business and grew it to over 1800 people.

 

Besides India, Roopen has worked extensively in the United States, Australia, Japan, and Korea. He has also served on the Board of Governors of the Indian Institute of Management, Calcutta, Indian Institute of Technology, Kharagpur, and the Board of NASSCOM. Additionally, he is on the board of the Xavier Institute of Management, Bhubaneswar, and is the President of the Indian Chamber of Commerce, and a member of the Governing Council of AIMA (All India Management Association). Besides being a chartered accountant, he has completed the Advanced Management Programme (AMP) at the Harvard Business School.

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Debdas Sen

Debdas is the CEO of TCG Digital, the flagship, modern-age technology company of The Chatterjee Group. TCG Digital helps solve complex business problems; leveraging the power of state-of-the-art innovations in the areas of: AI, analytics, mobility, cybersecurity, Blockchain, IOT, RPA, and other cutting edge solutions.

Before joining the TCG Group, Debdas was an Executive Director and Partner with PricewaterhouseCoopers India (PwC). Debdas’s last roles include being the Technology Consulting Leader of PwC India; being part of the Technology Leadership team for the PwC Network; and Managing Partner in Eastern India. He was also the Analytics Competency Lead for Europe, Middle East, Africa, and India.

Debdas has a B.Tech (Hons.) from IIT Kharagpur in Electronics and Communication Engineering (1997). Debdas has also been an active contributor in leading journals, and he has been a speaker in many seminars in the U.S. and India.

Debdas has held various positions of importance in a number of Chambers of Commerce.  His special interest is in social service.  Debdas is involved in many activities which make a difference to society; including being a board member of several NGOs. Presently, Debdas is  Chairman of the Eastern Region of American Chamber of Commerce.

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Sudipta Sen

Sudipta has over three and a half decades of an illustrious career with a significant CEO/Partner level exposure and a demonstrated history of working in the management consulting, Analytics, IT and Software industry. His strong professional skills and area of interest are business planning, enterprise software, strategic planning, business development, and customer relationship management (CRM) including board-level operations in private and public limited companies.


A prominent industry veteran, he served MetricStream India as the full-time Executive Director and board member. He also played a crucial role at Mckinsey & Company as a Partner. During his impactful tenure with the firm, he was involved with many client engagements advising on the strategic initiatives pertaining to the adoption of analytics across the enterprise.

Sudipta has rich experience in leadership roles such as Vice Chairman and Member of Board, CEO and MD at SAS Institute (India) Pvt. Ltd. – Regional Director of South East Asia.  He was earlier the CEO and MD of COMSAT MAX LTD., a joint venture of Lockheed Martin and Max India. He was responsible for building the organization from a start-up.


Sudipta holds a Post Graduate degree in Business Administration after his graduation in science. He is a panelist and speaker at several Indian and International forums including academic institutes of repute such as IIM Ahmedabad, Kolkata, Bangalore, ISB Hyderabad etc. He is acknowledged as a thought leader in IT and Analytics space. In 2015, Sudipta has also been recognized as one of the 10 most influential Analytics Leaders in India by Analytics India Magazine in terms of Impact, Leadership and Analytics evangelism.    

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Wolf Lichtenstein

Wolf spearheads TCG Digital as the President, Europe.


Previously, Wolf has served as the General Manager at C3.ai, EMEA and has also been associated with McKinsey and Company as a senior advisor in the field of advanced analytics and data monetization. Prior to this prestigious role, he was the CEO at Webtrekk, an international leader in cross device web analytics, headquartered in Berlin.


His diverse and rich career boasts of a decade long experience of working with SAS in the capacity of CEO DACH region, where he was responsible for the most profitable SAS market outside of North America. Under his able leadership, SAS continually set new records for revenues and profits. He was also responsible for the cooperation between SAS and SAP.


As an influential thought-leader, Wolf has participated in the World Economic Forum in Davos, Münchner Sicherheitskonferenz, in Munich, and World Business Dialogue 2015, University of Cologne.

As the author of Carbon Credit Card, his efforts have been aimed at dawning awareness for individuals and businesses to incorporate climate consciousness and climate action into their daily lives. 

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Debjyoti Gupta

Debjyoti has over two decades of experience in offering business applications and BI/analytics solutions to various sectors, such as government, manufacturing, banking and aviation. His areas of interest and specialization are ERP, controlling applications, BI/analytics, and decision support systems. Leveraging the latest technologies, best business practices, and delivery models, Debjyoti is focused on delivering the most tangible benefits to clients. He has previously been associated with Ramco Systems and Tata Steel. Debjyoti is an alumnus of IIT, Kharagpur and IIM, Ahmedabad.

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Jagat Mohan Sarkar

Jagat is an accomplished HR & OD professional with an experience of nearly two decades. Leadership development, Group Dynamics and Change Management are his areas of interest. He has been associated with companies like HCL Technologies, Nucleus Software, and BharatiComtel. In his role as V.P. (T&T) for Publicis Groupe he was responsible for Talent and Transformation. He is a Masters in Human Resource Management from FMS, Pondicherry University, and holds a Post Graduate degree in Personnel Management from NIPM

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Monisha Malhan

Monisha has over twenty years of experience in the consulting and data science industry. Prior to joining TCG Digital, Monisha served at the Mitchell Madison Group (a Management Consulting Firm), U.S. Interactive (Ecommerce), The Lab (Turnaround Consulting), and Opera Solutions (Big Data & Advanced Analytics). She has worked across several industries with a focus on Big Data and Advanced Analytics. Monisha has enabled data science transformations for both Fortune 100 clients and small businesses, which include strategy, acquisitions, and building core data science solutions. With her clients, her primary focus has been to deliver quantifiable impact within a short period of time.

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Horia Orenstein

Horia is widely recognized as a Senior Expert and trusted advisor in Digital Transformation. With a rich career spanning over two decades, he has previously served as a Managing Partner in Canadian Business Company and as a Chief Strategy Officer (CSO) in Netgas Research and Development, SRL. Prior to that, he has been the Director and Global Oil and Gas Practice Manager while working in SAS for over 14 years. Additionally, he has been a Business Advisor and Program Manager at PETRONAS and has also held prestigious business advisory portfolios at Shell.


Armed with MS in Technical Data Processing from University POLITEHNICA of Bucharest and infused with a strong spirit of entrepreneurship, Horia is passionate about custom or standard business solution designs. Equipped with a demonstrated history of success with innovations, he is proficient in hands-on deployment and operationalization of solutions for efficiency improvement in complex operations across industries.

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Prith Choudhury

Prith is a highly experienced leader, specializing in digital transformation of large enterprises with a focus on Aviation, Manufacturing, Life Sciences, and Retail sectors.

 

 He has more than 23 years of experience in providing CIO, CEO, and CMO level services to large global organizations and has successfully led many digital transformation initiatives.

 

Currently Prith is heading the digital business of TCG Digital in the Americas & APAC regions.

His specialties include Digital Transformation and Customer Experience Management, Project & Portfolio Management, Agile, Content Management, IT Governance, Process frameworks like CMMI and ITIL, and Business Intelligence and Analytics.

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Arunava Mitra

Arunava Mitra has over 15 years of technology consulting experience in the areas of enterprise architecture, data management, and analytics. He created TCG DIGITAL’s presence in Europe, the Middle East, and Africa (EMEA). Post starting this operation, he currently continues to lead EMEA as a P&L.

Prior to joining TCG DIGITAL, Arunava was a Director in PwC India; leading the IT implementation team for the Government & Public Sector Consulting practice. Arunava has managed various large-scale technology transformations for government and public sector enterprises, private sector clients, and also multi-lateral donor agencies.

Arunava has worked with clients in India, Nepal, Bhutan, Sri Lanka, UAE, Saudi Arabia, Qatar, Oman, Kuwait, Kenya, Tanzania, Nigeria, Ghana, Jamaica, Dominica, Singapore, and the United Kingdom. 

He is frequently invited to conferences as a guest speaker on topics relating to digital government, G2C services, and government enterprise architecture. Similarly, Arunava has spearheaded a number of thought leadership papers for various chambers of trade and commerce. 

Arunava studied Engineering in Information Technology and is an alumnus of Bengal Engineering College.

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Supratik Banerjee
Supratik, who is based in Mumbai, is currently heading TCG DIGITAL’s Business Analytics for India and the South/Southeast Asia region. Supratik has over 24 years of IT industry experience, with a focus on solutions-based sales of computer hardware, satellite communications technology, remote network management, customized software, advanced analytics, and digital transformation solutions.    He has worked in CMC Ltd., Comsat Max, SAS India and SAP India. Geographically,  his experience includes management responsibilities in India, parts of South and Southeast Asia, and the U.S.  Supratik has a history of orchestrating success in complex sales environments. He has worked extensively in applying advanced analytics across industry verticals in India and the South Asia region.  Post attending Mount Hermon School, Darjeeling, Supratik received a BS in math/computer science from Ursinus College in Pennsylvania. 
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Nikhil Chauhan

As the Vice President – Oil & Gas at TCG Digital, Nikhil has played a critical role in the collaboration of the organization with Lummus Technology to form the joint venture Lummus Digital. At present, Nikhil also spearheads Lummus Digital as the Chief Strategy Officer and Vice President.

 

 

Nikhil brings 25 years of global experience in corporate, business, and technical areas of the energy and chemical industry, both for upstream and downstream sectors for all the phases of the project and asset lifecycle. Prior to joining the TCG Group and Lummus Digital, Nikhil led the corporate strategy of KBR, a $6B+ business, where he also initiated digitalization that included implementing AI/ML-enabled digital solutions, establishing downstream consulting, instrumenting process technology portfolio growth, and leading strategic CRM across the organization. He played an instrumental role in driving important alliances and mergers and acquisitions for strategic fit, synergies and select regional growth. In his previous roles, he has worked across geographies, which include the USA, UK, Middle East, India and South East Asia. He is an MBA from Rice University, Houston, and a Chemical Engineer from IIT, Delhi.

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Amitabha Sinha

Amitabha currently heads TCG DIGITAL’s Analytics Practice for the SAARC region, and he also contributes to various strategic initiatives for the TCG Group. 

 

Amitabha has over 20 years of experience in technology and strategic consulting. Both on the technology as well as the digital strategy side, he has run transformation projects with Fortune 100 companies in geographies like US, Canada, UK, and Singapore. Amitabha started  his career with IBM Watson Lab and has 5 patents with IBM. Thereafter, he worked for consulting majors like PwC (UK) and EY (US) and has run large BFSI ODCs based out of Singapore and Hong Kong.

 

Amitabha is a First Class First President’s Gold Medal Winner from IIT Delhi, has an MS from Illinois Tech and a PGP from IIM Bangalore. 

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David Cowles

David is an eminent Advisory Board Member at TCG Digital, where he brings his years of applied AI experience to the advantage of TCG Digital’s mcube product and other services.


Additionally, he is also the Senior Vice President at Afiniti, which is the world’s leading applied AI and advanced analytics provider. His leadership has led the Afiniti team to customer success by providing a more personalized customer experience and in creating a path for long-term customer value bridging strategy.


David is a seasoned management consultant with over 12 years of focussed experience in the domains of analytics, digital commerce, social media, big data, and financial management.


Previously, he has held important portfolios such as, Board Advisor and Investor at Veravas,Inc., where he was instrumental in developing technology that would measure the potential of low abundance biomarkers, needed to better diagnose and treat rare and common diseases.


Besides, David has served as the Chief Operations Officer at CogWellin-BIO Tech Venture Company; as the Chief Digital Officer at MAXIMUS, and Managing Director at PwC and Accenture, where his management consulting prowess has helped sway influence across multiple industry groups including communications, healthcare, financial, consumer goods, manufacturing, and entertainment.


He graduated with Bachelors of Science in Industrial Engineering from Syracuse University and went on to lead the technical team at JPMorgan Chase & Co., enabling them to build and support several trading applications.

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Amit Bhattacharyya

Amit is an Advisory Board Member at TCG Digital. As the Head of Data Science at Vox Media and being a Lecturer at UC Berkeley, Amit brings valuable insights to the organization that pertain to the latest updates in the field of data science and its evolution.


Alongside, he is a part-time Data Science Lecturer at the University of California, Berkeley, where he imparts discourses on Applied Machine Learning. Previously, he has held positions of being a Senior Data Scientist at Teachers Pay Teachers, an Adjunct Associate Professor of Data Science at the CUNY School of Professional Studies, a Data Scientist at Annalect Group, and a Quantitative Analyst at BlueCrest Capital.


His diverse education background is equipped with a BA in Astrophysics and Classics from the University of California, Berkeley. Adding another feather to his hat is his PhD in Physics from the Indiana University, Bloomington.


Amit started his career as an Associate in Louis Dreyfus Corp, dealing with weather risk management. Subsequently, his penchant for data science saw him foray into Proprietary Positioning, where he took over as the VP at JP Morgan Chase. Additionally, he has also held the position of Associate Director at Barclays Capital and the Director at Bank of America, Merrill Lynch.