Blue Star Executive and Leadership Team

October, 2026

Leadership Overview

Blue Star has 6 executives leading key functions including strategy, international business, financial management, human resources, commercial operations, and cooling product manufacturing.

Focused on delivering advanced building solutions, Blue Star maintains a commitment to excellence in air conditioning, commercial refrigeration, and mechanical, electrical, and plumbing systems 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
  • Chief Human Resources Officer - V S Ashok
  • Prem Kalliath - Chief Executive Officer

    Prem Kalliath, the Chief Executive Officer at Blue Star, directs the overarching corporate strategy and long-term vision for the organization. Kalliath oversees the integration of air conditioning and commercial refrigeration divisions to ensure market dominance. By aligning mechanical, electrical, and plumbing service offerings with evolving industrial demands, the Chief Executive Officer drives sustainable growth across the Indian subcontinent. This leadership role involves constant collaboration with the Board to optimize operational efficiency and capital allocation. Prem Kalliath maintains a focus on expanding the footprint of building solutions while upholding the legacy of quality established in 1943. Through rigorous oversight of departmental performance, the Chief Executive Officer ensures that all business units meet stringent performance benchmarks. Kalliath prioritizes innovation in cooling technology to maintain a competitive edge in the industrial machinery sector, ultimately securing the financial health and market reputation of the enterprise.

    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 diverse global markets. Overs directs the strategic deployment of air conditioning and refrigeration products across international territories, ensuring alignment with local regulatory standards and market requirements. By architecting cross-border partnerships, the Group Chief Executive Officer, International Business facilitates the growth of mechanical, electrical, and plumbing operations outside the domestic base. This role requires constant coordination with regional leaders to adapt product offerings to specific climate and infrastructure needs. Tom Overs monitors global supply chain logistics to ensure timely delivery of industrial machinery components. Through the implementation of localized business models, the Group Chief Executive Officer, International Business captures emerging opportunities in international construction sectors. Overs maintains a focus on scaling revenue streams while mitigating risks associated with global market volatility, thereby strengthening the international presence of the company.

    Ramani Sivakumar - Chief Financial Officer

    Ramani Sivakumar, the Chief Financial Officer at Blue Star, manages the fiscal health and capital structure of the organization. Sivakumar directs financial planning, budgeting, and reporting processes to support the expansion of air conditioning and commercial refrigeration product lines. By overseeing the allocation of resources across mechanical, electrical, and plumbing divisions, the Chief Financial Officer ensures optimal return on investment for all industrial machinery projects. This leadership role involves constant interaction with the Board to provide transparent financial insights and risk assessments. Ramani Sivakumar monitors cash flow and liquidity to sustain long-term operational stability. Through the implementation of robust financial controls, the Chief Financial Officer safeguards the assets of the company against market fluctuations. Sivakumar drives cost-efficiency initiatives across all departments, ensuring that financial performance aligns with the strategic objectives of the firm. Ultimately, the Chief Financial Officer maintains the fiscal integrity required for sustained corporate growth.

    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 oversight. Ramani oversees the manufacturing processes for air conditioning and refrigeration units, ensuring that output meets quality standards while remaining within budgetary constraints. By managing the commercial aspects of mechanical, electrical, and plumbing supply chains, the Vice President - Commercial Operations, Manufacturing and Chief Financial Officer optimizes the cost-to-value ratio of industrial machinery. This leadership role involves constant coordination with production managers to streamline workflows and reduce waste. Sivakumar Ramani monitors manufacturing performance metrics to identify opportunities for process improvement and capital expenditure optimization. Through the integration of financial data into operational decision-making, the Vice President - Commercial Operations, Manufacturing and Chief Financial Officer drives profitability across the manufacturing division. Ramani ensures that production capacity aligns with market demand, thereby supporting the overall growth strategy of the company.

    Mohit Sud - Group President, Unitary Cooling Products

    Mohit Sud, the Group President, Unitary Cooling Products at Blue Star, directs the product lifecycle and market strategy for the company's cooling solutions. Sud oversees the design, development, and distribution of unitary air conditioning systems, ensuring that these products meet the specific needs of commercial and residential clients. By architecting product roadmaps, the Group President, Unitary Cooling Products drives innovation in energy-efficient cooling technology. This leadership role involves constant collaboration with sales and marketing teams to capture market share in the competitive industrial machinery landscape. Mohit Sud monitors consumer trends and technological advancements to maintain the relevance of the cooling product portfolio. Through the management of product quality and reliability, the Group President, Unitary Cooling Products ensures customer satisfaction and brand loyalty. Sud coordinates with manufacturing leads to ensure that production volumes meet seasonal demand fluctuations, thereby maximizing revenue potential for the cooling division and contributing to the broader success of the company.

    V S Ashok - Chief Human Resources Officer

    V S Ashok, the Chief Human Resources Officer at Blue Star, directs the talent acquisition and organizational development strategies necessary to support the company's building solutions business. Ashok oversees the cultivation of a high-performance culture across air conditioning, refrigeration, and mechanical, electrical, and plumbing departments. By architecting comprehensive training programs, the Chief Human Resources Officer ensures that the workforce possesses the technical expertise required for complex industrial machinery projects. This leadership role involves constant collaboration with executive peers to align human capital with corporate growth targets. V S Ashok manages employee engagement and retention initiatives to maintain a stable and skilled talent pool. Through the implementation of performance management systems, the Chief Human Resources Officer drives accountability and professional growth throughout the organization. V S Ashok prioritizes the development of leadership pipelines to ensure continuity in key operational roles, thereby supporting the long-term success of the company.

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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 6 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.