Blue Star Executive and Leadership Team

September, 2026

Leadership Overview

Blue Star has 8 executives leading key functions including strategy, international business, operations, finance, and human resources.

Committed to excellence in building solutions, Blue Star delivers advanced air conditioning and commercial refrigeration systems while maintaining a legacy of engineering precision across global markets.

Leadership Roles at Blue Star

  • Chief Executive Officer - Prem Kalliath
  • Group Chief Executive Officer, International Business - Tom Overs
  • Chief Financial Officer - Ramani Sivakumar
  • Vice President - Commercial Operations, Manufacturing and Chief Financial Officer - Sivakumar Ramani
  • Group President, Unitary Cooling Products - Mohit Sud
  • Group Chief Human Resources Officer - Arun Rajan
  • Chief Human Resources Officer - V S Ashok
  • Managing Director - B. Thiagarajan
  • Prem Kalliath - Chief Executive Officer

    Prem Kalliath, the Chief Executive Officer at Blue Star, directs the overarching corporate strategy for building solutions. Overseeing the integration of mechanical, electrical, and plumbing services, the Chief Executive Officer ensures alignment with long-term growth objectives. This leadership role involves constant evaluation of market trends in air conditioning and commercial refrigeration to maintain competitive advantages. By optimizing internal processes, Prem Kalliath drives operational efficiency across the entire organization. The Chief Executive Officer collaborates with the Board to refine business models, ensuring the company remains a leader in industrial machinery. Through rigorous oversight of departmental performance, the Chief Executive Officer secures sustainable revenue streams. Ultimately, Kalliath fosters a culture of innovation that supports the delivery of high-quality infrastructure products to diverse clients, reinforcing the market position of the firm as a premier provider of essential building technologies.

    Tom Overs - Group Chief Executive Officer, International Business

    Tom Overs, the Group Chief Executive Officer, International Business at Blue Star, manages the expansion of building solutions into global markets. Overseeing international trade operations, the Group Chief Executive Officer, International Business ensures that air conditioning and refrigeration products meet diverse regional standards. This leadership role involves navigating complex regulatory environments to secure market share outside domestic borders. By identifying emerging opportunities, Tom Overs drives the growth of the international portfolio. The Group Chief Executive Officer, International Business coordinates with regional teams to adapt product offerings to specific climate and infrastructure needs. Through strategic partnerships, the Group Chief Executive Officer, International Business enhances the global footprint of the company. Ultimately, Overs secures the international reputation of the firm by delivering reliable mechanical and electrical solutions, ensuring consistent performance across all overseas territories while maintaining the high quality standards associated with the brand.

    Ramani Sivakumar - Chief Financial Officer

    Ramani Sivakumar, the Chief Financial Officer at Blue Star, manages the fiscal health and capital allocation for the building solutions business. Overseeing financial reporting and risk management, the Chief Financial Officer ensures that investments in air conditioning and refrigeration technology yield maximum returns. This leadership role involves rigorous analysis of market data to inform budgetary decisions. By maintaining strict financial controls, Ramani Sivakumar drives the long-term stability of the company. The Chief Financial Officer coordinates with the executive team to align capital expenditure with strategic growth initiatives in mechanical and electrical sectors. Through transparent communication with stakeholders, the Chief Financial Officer secures investor confidence. Ultimately, Sivakumar optimizes the balance sheet to support ongoing innovation, ensuring that the firm possesses the necessary liquidity to pursue new market opportunities while maintaining a robust financial foundation for all future industrial machinery projects.

    Sivakumar Ramani - Vice President - Commercial Operations, Manufacturing and Chief Financial Officer

    Sivakumar Ramani, the Vice President - Commercial Operations, Manufacturing and Chief Financial Officer at Blue Star, directs the intersection of production efficiency and financial planning. Overseeing the manufacturing output for air conditioning and refrigeration units, the Vice President - Commercial Operations, Manufacturing and Chief Financial Officer ensures that commercial operations remain profitable. This leadership role involves balancing the costs of raw materials with the revenue generated from plumbing and electrical solutions. By streamlining manufacturing workflows, Sivakumar Ramani drives cost reductions and improves margins. The Vice President - Commercial Operations, Manufacturing and Chief Financial Officer monitors the financial impact of production changes to ensure alignment with corporate targets. Through meticulous oversight of commercial activities, the Vice President - Commercial Operations, Manufacturing and Chief Financial Officer secures the operational viability of the firm. Ultimately, Ramani optimizes the manufacturing-to-finance pipeline, ensuring that production capacity meets market demand while maintaining strict fiscal discipline.

    Mohit Sud - Group President, Unitary Cooling Products

    Mohit Sud, the Group President, Unitary Cooling Products at Blue Star, manages the development and sales of cooling systems. Overseeing the product lifecycle for unitary cooling solutions, the Group President, Unitary Cooling Products ensures that these systems meet the specific needs of commercial and residential clients. This leadership role involves coordinating with engineering teams to refine product design and performance. By focusing on market-specific cooling requirements, Mohit Sud drives the adoption of advanced air conditioning technology. The Group President, Unitary Cooling Products monitors competitive trends to ensure that the product portfolio remains relevant and efficient. Through strategic marketing and distribution efforts, the Group President, Unitary Cooling Products secures a dominant market position for cooling solutions. Ultimately, Sud optimizes the product strategy, ensuring that the firm delivers reliable and energy-efficient cooling systems that support the broader mission of providing comprehensive building solutions to a global customer base.

    Arun Rajan - Group Chief Human Resources Officer

    Arun Rajan, the Group Chief Human Resources Officer at Blue Star, manages the talent strategy for the entire organization. Overseeing recruitment and professional development, the Group Chief Human Resources Officer ensures that the workforce possesses the technical expertise required for air conditioning and refrigeration engineering. This leadership role involves designing programs that foster innovation and employee retention. By aligning human capital with business objectives, Arun Rajan drives organizational performance. The Group Chief Human Resources Officer coordinates with department heads to identify skill gaps and implement training initiatives for mechanical and electrical teams. Through the cultivation of a high-performance culture, the Group Chief Human Resources Officer secures the long-term success of the firm. Ultimately, Rajan optimizes the talent pipeline, ensuring that the company attracts and retains the best professionals in the industry to support the delivery of complex building solutions and industrial machinery.

    V S Ashok - Chief Human Resources Officer

    V S Ashok, the Chief Human Resources Officer at Blue Star, directs the internal culture and employee engagement initiatives. Overseeing the implementation of workplace policies, the Chief Human Resources Officer ensures that staff members remain aligned with the mission of providing superior building solutions. This leadership role involves managing performance appraisal systems and promoting professional growth within the mechanical and plumbing divisions. By fostering an inclusive environment, V S Ashok drives employee satisfaction and productivity. The Chief Human Resources Officer collaborates with leadership to ensure that organizational values are reflected in daily operations. Through the development of robust compensation and benefits structures, the Chief Human Resources Officer secures the commitment of the workforce. Ultimately, Ashok optimizes the human resources function, ensuring that the company maintains a motivated team capable of meeting the rigorous demands of the air conditioning and commercial refrigeration markets.

    B. Thiagarajan - Managing Director

    B. Thiagarajan, the Managing Director at Blue Star, executes the daily operational mandates for the entire building solutions portfolio. Overseeing the manufacturing and distribution of air conditioning and commercial refrigeration systems, the Managing Director ensures seamless supply chain performance. This leadership role involves direct engagement with department heads to streamline mechanical, electrical, and plumbing project delivery. By optimizing resource allocation, B. Thiagarajan drives productivity across all manufacturing facilities. The Managing Director monitors key performance indicators to ensure that project timelines and quality benchmarks remain consistent with corporate goals. Through active management of internal workflows, the Managing Director supports the broader strategic vision of the firm. Ultimately, Thiagarajan secures operational excellence by aligning technical capabilities with market demands, ensuring that the company maintains its status as a trusted provider of industrial machinery and infrastructure solutions for clients.

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    Frequently Asked Questions Regarding Blue Star Top Executives and Leadership Team

    Who leads Blue Star?
    Blue Star is led by Prem Kalliath (Chief Executive Officer), along with executives such as Tom Overs (Group Chief Executive Officer, International Business) and Ramani Sivakumar (Chief Financial Officer).
    Who is part of Blue Star’s executive team?
    The executive team of Blue Star includes leaders such as Prem Kalliath (Chief Executive Officer), Tom Overs (Group Chief Executive Officer, International Business), Ramani Sivakumar (Chief Financial Officer) and other senior executives.
    How many executives does Blue Star have?
    Blue Star has 8 executives leading key business areas.
    What roles are included in Blue Star’s leadership team?
    The leadership team of Blue Star includes roles such as Chief Executive Officer, Group Chief Executive Officer, International Business, Chief Financial Officer, Vice President - Commercial Operations, Manufacturing and Chief Financial Officer, Group President, Unitary Cooling Products.