SOil Executive and Leadership Team

June, 2026

Leadership Overview

SOil has 4 executives leading key functions including strategy, operations, and market development.

Driven by innovation, SOil is dedicated to refining energy resources and producing essential petrochemicals, impacting global markets through its comprehensive oil-refining, lube oil, and petrochemical businesses.

Leadership Roles at SOil

  • Chief Executive Officer - Kalyan Chakroborty
  • Chairman and Chief Operating Officer - Larkin Ison
  • President - John McQuestion
  • President & Owner - Tomas Janczur
  • Kalyan Chakroborty - Chief Executive Officer

    Kalyan Chakroborty, the Chief Executive Officer at SOil, directs the overarching corporate strategy and operational execution. Chakroborty guides the company's engagement in oil refining, lube oil production, and petrochemical manufacturing, ensuring alignment with market demands and industry advancements. This leadership role involves optimizing the processing of liquefied petroleum gas, naphtha, kerosene, diesel, and b-c oils, alongside managing the hydro desulfurization units for sulfur-removed products. Kalyan Chakroborty also oversees the development and expansion of the petrochemical segment, providing essential benzene, toluene, xylene, and para-xylene to various industries. The focus remains on driving efficiency across all business segments: Oil-Refining, Lube Oil, and Petrochemical, to maintain SOil's competitive edge in the global energy and chemical sectors.
    Kalyan Chakroborty

    Larkin Ison - Chairman and Chief Operating Officer

    Larkin Ison, the Chairman and Chief Operating Officer at SOil, commands the operational framework and strategic direction of the company's core businesses. Ison orchestrates the intricate processes within the Oil-Refining Business, ensuring the efficient production of liquefied petroleum gas, naphtha, kerosene, diesel, and b-c oils. This includes direct oversight of the bunker-c center and hydro desulfurization units, guaranteeing the output of high-quality refined products. Furthermore, Larkin Ison spearheads initiatives within the Lube Oil Business, focusing on the production of superior lube-based oils and marine lubricants. The operational scope extends to the Petrochemical Business, where Ison ensures the consistent supply of benzene, toluene, xylene, and para-xylene. This comprehensive management drives SOil's market presence and operational excellence across all segments.

    John McQuestion - President

    John McQuestion, the President at SOil, drives the strategic initiatives and market expansion for the company's diverse portfolio. McQuestion leads the integration of SOil's Oil-Refining, Lube Oil, and Petrochemical businesses, ensuring synergistic growth and operational efficiency. This involves enhancing the processing capabilities for liquefied petroleum gas, naphtha, kerosene, diesel, and b-c oils, while also optimizing the production of lube-based oils and marine lubricants. John McQuestion's leadership extends to the petrochemical segment, focusing on the reliable provision of benzene, toluene, xylene, and para-xylene to meet global demand. The role emphasizes fostering innovation and maintaining SOil's position as a key player in the energy and chemical industries through strategic market engagement and operational excellence.
    John McQuestion

    Tomas Janczur - President & Owner

    Tomas Janczur, the President & Owner at SOil, holds ultimate responsibility for the company's strategic vision and ownership directives. Janczur guides the overall direction of SOil's operations, encompassing the Oil-Refining Business, Lube Oil Business, and Petrochemical Business. This includes overseeing the extraction, disposal, import, and export of crude oil, as well as the manufacture of various oil products. Tomas Janczur ensures that the processing of liquefied petroleum gas, naphtha, kerosene, diesel, and b-c oils meets stringent quality standards. The leadership also focuses on the production of lube-based oil and marine lubricants, alongside the supply of benzene, toluene, xylene, and para-xylene. Janczur's role is pivotal in shaping SOil's long-term growth and market impact.
    Tomas Janczur

    Frequently Asked Questions Regarding SOil Top Executives and Leadership Team

    Who leads SOil?
    SOil is led by Kalyan Chakroborty (Chief Executive Officer), along with executives such as Larkin Ison (Chairman and Chief Operating Officer) and John McQuestion (President).
    Who is part of SOil’s executive team?
    The executive team of SOil includes leaders such as Kalyan Chakroborty (Chief Executive Officer), Larkin Ison (Chairman and Chief Operating Officer), John McQuestion (President) and other senior executives.
    How many executives does SOil have?
    SOil has 4 executives leading key business areas.
    What roles are included in SOil’s leadership team?
    The leadership team of SOil includes roles such as Chief Executive Officer, Chairman and Chief Operating Officer, President, President & Owner.