Our Leadership Team

Debabrata Bhattacharyya
Chief Executive Officer
Director, Founder and CEO of Sigmen is a seasoned IT professional with 38+ years of experiences in delivery, Pre sales & customer relationship management including the role of Global Head in one of the top two MNC’s in india. He is driving the reimagination of our business principles & processes for growth.
Suman Bhattacharyya
Director - Delivery & Operations
An alumni of Indian Institute of Technology Roorkee, having a wealth of experience of over 27 years in the IT industry, Suman has served in multiple customer-facing roles in his career, including top global MNCs in different continents. His background in technical delivery of projects, consulting and management, as well as experience of solutioning complex deals, Pre sales and marketing enables him to understand the pulse of the customer. At Sigmen, Suman provides leadership, technical and professional guidance to ensure seamless delivery for customers and maintain highest standards of customer satisfaction.
Aditya Sen
Lead Consultant - Strategic Marketing
An MBA in International Business, Aditya comes with a background of Supply Chain Management with 18 yrs of experience with top multi-national corporations like Siemens, Yanmar and Mitsui. A true entrepreneur in heart and spirit, Aditya leads strategic marketing and customer acquisition initiatives for Sigmen with focus on market research, brand development, product marketing, and marketing communications.
Subhagata Mandal
EVP – Product Development (R & D ) / Chief Technical Adviser
Endowed with vast experience in IT & national information security services with love for writing code & solving complex problems, Subhagata is the strongest root of Sigmen’s development team.

Our Team

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