SAYAN CHATTERJEE
Kolkata
Summary
Dynamic Deputy General Manager with expertise in strategic business planning and market expansion. Drives revenue growth by managing key enterprise and government accounts while building strong customer relationships. Implements innovative technology solutions to support clients' digital transformation journeys.
Overview
1
1
Certification
22
22
years of professional experience
Work History
Deputy General Manager
Wesben Technologies Pvt. Ltd.
Kolkata, India
12.2025 - Current
- Wesben Technologies Pvt. Ltd. is a Government of India-recognised startup and a leading IT System Integrator, delivering end-to-end technology solutions across India since 2018. The organization specializes in IT Infrastructure Services, Enterprise Solutions, Managed Services, Cybersecurity, Cloud Computing, Network & Security Solutions, CCTV Surveillance, Data Centre Solutions, IoT, AI-enabled Platforms, and Digital Transformation Services. Key Responsibilities: • Developed and executed strategic business plans, resulting in increased revenue and market presence. • Manage key enterprise and government accounts while building long-term customer relationships. • Identified and pursued new business opportunities in IT Infrastructure, Cloud, Cybersecurity, Managed Services, AI, IoT, and Digital Transformation sectors. • Lead consultative sales engagements, solution positioning, proposal development, and contract negotiations. • Collaborate with OEMs, technology partners, and internal technical teams to design customer-centric solutions. • Drive cross-selling and upselling initiatives across existing customer portfolios. • Supported customers' digital transformation journeys by delivering innovative and scalable technology solutions. Associated Business Verticals – Syyaim Enterprises As a sister concern of Wesben Technologies, Syyaim Enterprises focuses on innovation-led solutions for MSMEs and enterprises through AI, IoT, and Industry 4.0 technologies, including: • Maintai – AI-powered Prescriptive Maintenance Platform leveraging IoT and Predictive Analytics. • Syyaim EIQ ERP – AI-enabled Enterprise Resource Planning platform with intelligent business automation. • SafeguardIQ – AI-based Workplace Safety Monitoring and Compliance Solution. • Math Mentor – AI-powered Mathematics Learning and Assessment Platform. • Custom Software Development – Tailored enterprise applications, workflow automation, and digital transformation solutions.
Head of Regional Sales
Astraleus Services Pvt. Ltd.
Kolkata, India
08.2025 - 10.2025
- Astraleus Services Pvt. Ltd., a Company based in Indore Madhya Pradesh , our organisation provides FSSAI Certification, FOSTAC training, ISO Certification & MSME ZED Certifications. Astraleus Services Private Limited (ASPL) is one of the most trusted and reliable quality testing, inspection, and certification companies in India. ASPL accredited by NABCB , a IAF member for Inspection services.. We have a team of well-qualified and experienced professionals who carry out inspection services precisely, adhering to both international and national standards. Delivered comprehensive inspection services to uphold and enhance quality standards across sectors, including food inspection, water supply, construction, fire safety, education, and biomedical equipment maintenance certification. Facilitated product development and compliance through certification of ISO 9001 Quality Management Systems (QMS) and ISO 13485 Medical Devices Quality Management System (MDQMS). We have a vision of providing our customers the most professional and reliable services and becoming a leading quality assessment, product certification & training organisation in the World. We aim to prosper in the field of FSSAI Certification, Food Safety & Hygiene Auditing, and Rate the food business to deliver the best food services worldwide. Operated as a neutral partner in assessment, training, product certification, and related areas to provide economic value to customers and aid in management of assets, projects, products, and systems, contributing to performance improvement and risk reduction.
Assistant General Manager
Sify Technologies Limited
Kolkata, India
08.2023 - 05.2024
- Exceed annual targets by achieving an order booking of 18 crores and driving revenue growth of 12 crores per annum. • Manage a diverse portfolio of 500 accounts, totaling a revenue of 300 crores per annum, while preventing revenue churn through effective cross-selling and upselling strategies. • Mentored team of 5 Key Account Managers, supporting their career growth and enhancing solution design and client presentations for successful opportunity closures. • Ensure timely collection of receivables within 30 days of invoice generation, while optimizing funnel management and order-to-cash processes. • Delivered training and development for Channel Key Account Managers, empowering them in solution selling to mid-market accounts. • Manage key accounts in the mid-market segment across various sectors, including education, healthcare, and retail, fostering strong client relationships, and driving business growth. • Handle a wide range of products and services, including MPLS VPN, managed WIFI, managed firewall, cloud solutions, and digital communication services, among others. • Conducted training sessions and provided ongoing support for Key Account Managers, equipping them with essential technical knowledge for customer-facing roles.
- Coordinated with the General Manager in strategic planning and execution of business plans.
- Coordinated with senior management to implement strategic plans for revenue growth.
- Handled customer complaints with diplomacy, resolving issues to the customer's satisfaction.
Deputy General Manager
Reliance Jio Infocomm Limited
Kolkata, India
12.2022 - 08.2023
- Leading and developing a team of 10 Key Account Managers, guiding their career growth and providing necessary support and training • Achieving an annual order booking target of 20 crores and revenue growth of 12 crores, managing a total revenue of 500 crores from 1000 accounts • Implementing strategies to prevent customer churn and ensuring account retention through effective cross-selling and upselling techniques • Collaborated with Collection team to manage collections, achieving timely payment within 30 days of invoice generation • Proactively managing the sales funnel, consistently adding new opportunities, and driving month-on-month growth in the funnel size • Efficiently managing the end-to-end order-to-cash process, ensuring minimal time from order placement to revenue realization • Providing comprehensive training and development programs for Key Account Managers, enabling them to excel in solution selling to large accounts • Conducted regular performance evaluations of Key Account Managers, identifying improvement areas and implementing corrective actions • Transitioned Key Account Managers from non-telecom backgrounds to effective performance within three months, providing knowledge in Wireline, Wireless, and Digital/Cloud Solutions for customer interactions.
Senior Manager
Tata Communications Limited
Kolkata & Mumbai, India
09.2008 - 11.2022
- Mentored team of 5 Key Account Managers, enhancing their skills and contributing to their career advancement within the organisation. • Achieved annual order booking target of 10 crores and increased revenue by 6 crores, managing total revenue of 100 crores across 200 accounts. • Collaborated with cross-functional teams, including Service Management, to ensure seamless service delivery and enhance client satisfaction. • Consistently exceeded order booking and revenue targets year after year, driving substantial growth in the East region from 1 crore to 50 crores' market revenue.
Area Sales Manager
Reliance Communications Limited
Kolkata, India
09.2007 - 09.2008
- Developed sales strategies for Eastern Region markets, enhancing market presence.
- Mainly into Technical Sales of ILL, MPLS VPN, PRI, Mobiles , Walkies, Broadband & Centrex.
- Increased revenue from existing clients through targeted upselling and cross-selling initiatives.
- Expanded business by acquiring new clients, contributing to overall growth.
- Conducted quarterly review meetings with clients to assess their needs and satisfaction. with clients along with Services Management team.
- Cross-functional interaction with Delivery , Service & collection team.
Business Development Manager
Taco Mobiapps Telematics Limited
Kolkata, India
08.2004 - 09.2007
- Pioneered launch of GPS tracking system in Indian market, establishing a new revenue stream.
- Managed operations across West Bengal, Jharkhand, Bihar, Odisha, and Assam, ensuring seamless implementation of GPS tracking solutions.
- Achieved the highest sales by introducing GPS Tracking System in 10,000 BPCL Vehicles on an all India basis.
- Introduced tracking devices to Tata Steel vehicles, Tata Motors commercial carriers, and other transporters, enhancing fleet management capabilities.
Education
Master of Business Administration - Master of Business Administration (Marketing)
IISWBM
Kolkata, WB01-2004
Certificate of Higher Education - Mechanical Engineering
Indian Institute of Engineering Science and Techno
Kolkata, WB01-2002
Certificate of Higher Education - Mechanical Engineering
D.Y Patil College of Engineering
Pimpri-Chinchwad, MH01-2000
Skills
- Strategic business planning
- Customer relationship management
- Digital transformation
- Consultative sales
- Contract negotiation
- Cloud computing
- Cybersecurity solutions
- IT infrastructure management
- Revenue growth strategies
- Team leadership
- Cross-functional collaboration
- Problem solving
- Market analysis
- Upselling techniques
- Leadership development
- Strategic planning
- Client relations
- Market research
- Customer relationship building
- Innovative thinking
- Regulatory compliance
- Customer experience improvement
- Client account management
- Business intelligence tools
- Business networking
Languages
English
Proficient
C2
Hindi
Proficient
C2
Bengali
Proficient
C2
Certification
- Certified AI Driven Professional
Accomplishments
- Got first class first award from the Prime Minister of India during Master of Engineering.
- Achieved numerous Top Sales Performance award in various Organisations I have worked.
Timeline
Deputy General Manager
Wesben Technologies Pvt. Ltd.
12.2025 - Current
Head of Regional Sales
Astraleus Services Pvt. Ltd.
08.2025 - 10.2025
Assistant General Manager
Sify Technologies Limited
08.2023 - 05.2024
Deputy General Manager
Reliance Jio Infocomm Limited
12.2022 - 08.2023
Senior Manager
Tata Communications Limited
09.2008 - 11.2022
Area Sales Manager
Reliance Communications Limited
09.2007 - 09.2008
Business Development Manager
Taco Mobiapps Telematics Limited
08.2004 - 09.2007
Master of Business Administration - Master of Business Administration (Marketing)
IISWBM
Certificate of Higher Education - Mechanical Engineering
Indian Institute of Engineering Science and Techno
Certificate of Higher Education - Mechanical Engineering
D.Y Patil College of Engineering