Sumanta Operations research, Operations management
5 Reviews

Experienced Data Scientist with a history of working in the healthcare, banking and manufacturing industry. Skilled in Operations research (Linear programming, Graphical method, Simplex method, Duality-Duplex method, Sensitivity analysis, Transportation problem, Assignment problem (HUNGARIAN method), Queuing models, Integer programming, Dynamic programming, Goal Programming, Replacement), Production Management (Quality Management, Production Planning and Control, Aggregate planning, Material Requirement Planning (MRP), Productivity, Line balancing, Single-machine Scheduling, Job-shop scheduling, Network analysis (PERT AND CPM), Project Management, Work and Time study, Facility location, plant layout, Capacity Planning, Demand Planning, Forecasting, Inventory management, Maintenance, TQM, Kaizen, Poka Yoke, Six Sigma, Lean Manufacturing,), Data Analytics, Supply chain management, Simulation Modeling and Statistics (Mean, Median, Mode, Hypothesis Testing, Correlation, Regression, ANOVA, MANOVA). As a master's in Industrial Engineering and Management student from NIT Trichy, and later as a Business Analyst professional, with more than two years of experience I have developed and tweaked my data science, operational and statistical analysis skills, and I am fluent in a wide variety of software ranging from Excel, SQL, Python to data visualization tools like Tableau and Power BI.

Subjects

  • Production Operations Management Bachelors/Undergraduate-Masters/Postgraduate

  • Industrial Engineering Bachelors/Undergraduate-Masters/Postgraduate

  • Operation Management Bachelors/Undergraduate-Masters/Postgraduate

  • Operation research Bachelors/Undergraduate-Masters/Postgraduate

  • Simulation and Modeling Beginner-Expert

Experience

  • Team Manager (May, 2022–Present) at Capgemini
    - Leading the demand and distribution planning activities for Medical Devices in Latin America region of a USA based healthcare client
    - Providing statistical forecast input utilizing Time Series Machine Learning models (Arima, Prophet, XGboost, Tbats, Croston, Holt-Winters, Exponential Smoothing etc) for demand planning
    - Reviewing monthly forecasts and improve forecast accuracy
    - Attending regularly customer meetings to finalize consensual rolling 24-months demand plan at country level
    - Maintaining SKU splits (Active, Inactive and NPI) and fine tuning forecast using overrides (MISI) available in SAP APO
    - Monitoring trends, FVA and BIAS bi-weekly and adjust demand plan for improving MAPE
    - Upload base forecast in APO and validate post upload
    - Represent the team as a consultant for monthly Governance call
    - Managing deliverable, expectations and escalations from clients (Ad-hoc activities)
    - Sharing the daily process updates and engaging in customer meetings regularly to understand the expectations
  • Senior Analyst (Oct, 2021–Apr, 2022) at Infosys
    - Responsible for weekly demand planning activities
    - Reviewing historic sales trends, research of demand drivers, preparation of forecast and evaluation of results
    - Forecasting demand sales & planning stocks management as per market requirements
    - SKU management
    - Maximizing forecast accuracy
    - Established forecasting process involving 6000+ active SKU's, 30+ active customers.
    - Communicating forecast changes to align with inventory, material flow, and production schedule in weekly S&OP meetings
    - Integrating periodic analysis into forecasts as well as coordinates with Sales/ Marketing in providing retail/market insights in existing and new products performance
  • Data Analyst (Jul, 2019–Sep, 2021) at Genpact
    - Provide supply chain solutions to a USA based truck leasing company for maintenance of vehicles & spare parts requirements
    - Analyse demand patterns, plan and forecast demand of SKUs using forecasting models for different inventory locations across USA and Canada
    - Calculate EOQ, lead time, lot size, setting ROP, safety stock, costs trade-off and implement inventory model
    - Formulate ABC, XYZ, VED, FSN, SDE analysis and fields matrix
    - Determine the quantity and timing for the acquisition of dependent items to satisfy master schedule requirements using MRP techniques.
    - Prepare quarterly report and MIS
    - Analyse and calculate CTQ KPIs like service level, fill rate and IQR
    - Perform daily analysis to predict potential inventory problems and provide solutions for ad-hoc queries
    - Support in creation and maintenance of standard operating procedures (SOPs)
    - Sending the process updates daily and engaging in customer meetings regularly
  • Quality Engineer (May, 2016–Dec, 2016) at TVS Lucas
    - Responsible for making sure that manufacturing processes are performed correctly using the right tools, materials and processes.
    - Verify product dimensions, colour, texture and strength and locate imperfections.
    - Analyze quality performance using statistical and analytical tools and methods.
    - Prepares reports by collecting, analyzing, and summarizing data; making recommendations.
    - Ensure on time processing of non-conforming components.
    - Daily scheduling and planning activities for despatch.
    - Reviewed and analyzed monthly production plan against target volume against capacity and resources.
    - Coordinated schedules and requirements with outside vendors for production and with other departments to determine the most efficient way to produce the product and meet customer requirements.
    - Following Original Equipment Manufacturing (OEM), Aftermarket and Export
    - Improved on-time delivered (Maximum 2 weeks at Aftermarket) to customers.
    - Monitored records for adherence of delivery/ despatches.
    - Analyzed backlog, detected problems and raised alerts to the organization for procurement, supply planning, order management, products engineering.
  • Officer (Nov, 2015–Apr, 2016) at Axis bank ltd
     Customer Service and Operations
    Responsible for timely processing of bank transactions like
    - Funds transfer - Cheques - Opening of accounts - Ensuring timely resolution of customer queries and improving customer service - levels.

     Sales
    - Conducts outbound marketing calls and scouts for new leads and referrals to generate business.
    - Responsible for sales of third-party products (Life Insurance- LI, General Insurance- GI, Mutual Funds- MF, Debit/ Credit Cards, etc. to the existing customer base.
    - Responsible for lead generation for Current Account and Savings Account- CASA to new customers and deepening of account balances for existing customers.

     Compliance
    - Responsible for improving the Internal Audit Operational Efficiency score of the branch by timely completion of assigned tasks on continuous basis.
    - Compliance to the bank’s rules- internal guidelines, process and procedures.
    - Protecting bank’s property as per safety norms and ensuring ethical conduct in ordinary course of business.

Education

  • XXIII Annual International Conference of the Society of Operations Management (Dec, 2019–Jan, 2020) from IIT KANPUR, INDIA
  • XXII Annual International Conference of the Society of Operations Management (Dec, 2018–Jan, 2019) from IIM kozikode
  • MS (Research) (Jan, 2017–Jul, 2019) from NIT Trichy–scored 86.20
  • Healthcare services: A systematic review of patient-centric logistics issues using simulation (Jan, 2017–Aug, 2020) from National University of Singapore (NUS), Singapore

Fee details

    ₹1,000–7,000/day (US$11.79–82.54/day)

    Depends on the number of questions and the level of difficulty.

5 Reviews
5 out of 5

User Photo December 2, 2024
Payment verified US$ 5

Great tutor

Took some time to review the material carefully. He clearly says what he can handle. Very clear and straightforward gentleman.
Thanks Mr Roy for your assistance.

User Photo May 8, 2022
Payment verified US$ 130

Trustworthy

He helped me with my exam. Got ready 45 mins earlier for the exam, and tried his best to finish all the long and difficult questions.

User Photo March 25, 2021

Excellent tutor

An excellent tutor

User Photo March 24, 2021

The best & recommend him!

Mr.Roy is one of the brilliant teachers on Operations research and management.
I do recommend him.

User Photo February 3, 2021
Payment verified US$ 105

Trustworthy! also he is fast at what he does and he is honest of what he can and cannot do!

Initially i had my doubt with Sumanta Roy but once i've given him a sample question for him to solve he proved me wrong and delivered the rest of the questions with ease and as helpful as possible, if you are like me and looking for help and not sure if you are being scammed or not this man doesnt scam you and he is VERY HELPFUL 10/10 will get more help from him again