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Next-Gen Engineering Intelligence For Your Plant.

Empowering Petrochemical and Refining Industries with Intelligent Digital Solution

Who We Are

Lummus Digital is at the forefront of transforming the oil and gas downstream sector by offering innovative digital solutions that tackle the most complex challenges faced by refineries and petrochemical industries. As a joint venture between TCG Digital and Lummus Technology, we blend decades of process engineering expertise with advanced AI and data science to deliver tailored solutions that deliver measurable outcomes. 

With the integration of Lummus Technology’s proprietary process engineering know-how and TCG Digital’s advanced AI and data science capabilities, Lummus Digital promises to drive unparalleled innovation and optimize performance in the downstream sector.

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Why Choose US

We give your data a purpose!​

Lummus Digital stands out as a transformative force in the refining and petrochemical industries, addressing complex challenges with data driven innovative solutions. What sets us apart is our hybrid modelling approach — integrating first principles-based process models, domain expertise with data science and built on decades of proprietary engineering know-how from Lummus Technology with TCG Digital’s advanced AI-ML capabilities. Our solutions are validated by expert process engineers, ensuring reliability and precision, and are tailored to deliver tangible business value even under complex conditions! 

Unlike generic digital solutions, we offer a clear, configurable roadmap for digital transformation, enabling faster decision-making, reducing uncertainties, and improving overall plant performance. Backed by a team of over 500 process engineers and 100+ data scientists, Lummus Digital delivers actionable insights that enhance efficiency, profitability, and safety, transforming raw data into meaningful improvements for your refinery’s future.

Efficiency & ROI

Maximizing operational performance while reducing costs

Purpose-Built Solutions

Tailored to the specific needs of the downstream sector

Innovation at Scale

Combining process engineering expertise with modern AI and data science for impactful transformation

Your Partner in Transformation

We have been partnering with some of the leading oil & gas enterprises globally in achieving their digitalization roadmap. Connect with us to realize the full potential of your downstream operations.

Increased Profitability through Optimized Product Yields.

Enhanced Operational Stability.


Sustainable Solutions with Lower Energy for a Brighter, Greener Tomorrow.

Enhanced responsiveness to fluctuating demands.

Leadership Team

Our leadership team brings together a diverse group of experienced professionals dedicated to driving innovation, growth, and excellence.

Sujoy Choudhury

Chief Strategy Officer

Sujoy is currently Chief Strategy Officer for TCG Group, which also...

Amitabha Sinha

Joint Managing Director

Amitabha currently is the Joint Managing Director at Lummus Digital…

Prakash Ramdoss

Joint Managing Director

Prakash Ramdoss is the Joint Managing Director of Lummus Digital. With over 28 years of experience in the design and operation of plants…

Neha Agarwal

Chief Operating Officer

Neha is currently the Chief Operating Officer at Lummus Digital. A Chartered Accountant and ISB alumni…

Board Of Directors

Our philosophy is simple — hire a team of diverse, passionate people and foster a culture that empowers you to do your best work.

Debdas Sen

Executive Director

Debdas is the Executive Director of Lummus Digital, the flagship, modern-age technology company of The Chatterjee Group …

Ujjal Mukerjee

Executive Director

Ujjal Mukherjee is the Executive Director of Lummus Digital. He also serves as Chief Technology Officer of Lummus Technology…

Mikael Hagstroem

Board Member

Mikael is one of the key board members of Lummus Digital and is also the CEO of LabVantage Solutions Inc.…

Ron Venner

Board Member

Ron has 45 years of experience in process engineering, technology licensing, sales and marketing …

Snehal Patel

Board Member

Snehal Patel serves as the Board Member of Lummus Digital, adeptly integrating visionary leadership with extensive global experience…

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CDU/VDU Optimization

Boost side stream yields to improve profitability