Marcura Executive and Leadership Team

August, 2026

Leadership Overview

Marcura has 4 executives leading key functions including technology development, shipping operations, maritime navigation, and corporate governance.

Focused on digital transformation within the maritime sector, Marcura delivers integrated software solutions that optimize complex financial workflows and procurement processes for global shipping organizations.

Leadership Roles at Marcura

  • Chief Operating Officer, Shipping Services - Dionysis Tzelepis
  • President Brightwell Navigator - John Markendorf
  • President of the Board of Directors - Jonathan Offutt
  • Chief Technology Officer, Portlog - Ukasz Skrajny
  • Dionysis Tzelepis - Chief Operating Officer, Shipping Services

    Dionysis Tzelepis, the Chief Operating Officer, Shipping Services at Marcura, manages the daily execution of maritime service delivery across international markets. Tzelepis oversees the operational workflows that support shipping companies in streamlining procurement and compliance tasks. By aligning service delivery with the broader corporate mission, the Chief Operating Officer, Shipping Services ensures that maritime professionals receive consistent, high-quality support for vessel operating costs. This role requires deep engagement with regional teams to maintain efficiency in diverse regulatory environments. Dionysis Tzelepis drives process improvements that directly impact the financial health of shipping clients, fostering long-term partnerships through operational excellence. The Chief Operating Officer, Shipping Services coordinates with internal departments to refine service offerings, ensuring that the platform remains responsive to evolving industry needs. Through rigorous oversight of service quality, Tzelepis guarantees that the company maintains its reputation for reliability and precision in the global shipping sector.

    John Markendorf - President Brightwell Navigator

    John Markendorf, the President Brightwell Navigator at Marcura, leads the strategic expansion of navigation-focused digital solutions. Markendorf directs the development of specialized tools that assist maritime professionals in managing complex vessel operations and decision-making processes. By focusing on the integration of domain expertise with software capabilities, the President Brightwell Navigator ensures that the platform provides actionable intelligence for operators. This leadership position involves managing cross-functional teams to deliver high-value services that simplify procurement and financial management. John Markendorf drives initiatives that expand the market reach of the Brightwell Navigator suite, targeting improved efficiency for shipping companies worldwide. The President Brightwell Navigator collaborates with the executive team to align product development with the overarching goal of optimizing the shipping lifecycle. Through a commitment to innovation and user-centric design, Markendorf secures the platform's position as a critical asset for maritime organizations seeking to improve operational transparency and financial control.
    John Markendorf

    Jonathan Offutt - President of the Board of Directors

    Jonathan Offutt, the President of the Board of Directors at Marcura, governs the strategic direction and long-term vision of the organization. Offutt directs board activities to ensure alignment between corporate governance and the delivery of digital solutions for the maritime industry. By overseeing high-level policy decisions, the President of the Board of Directors maintains the integrity and focus of the company as it scales its global operations. This role involves evaluating market trends and financial performance to guide the executive team toward sustainable growth. Jonathan Offutt drives the board's commitment to transparency and operational excellence, ensuring that the company remains a trusted partner for shipping operators. The President of the Board of Directors facilitates communication between stakeholders and management, fostering a culture of accountability and innovation. Through strategic oversight, Offutt ensures that the organization continues to provide essential software tools that optimize financial workflows and procurement processes across the entire shipping lifecycle.

    Ukasz Skrajny - Chief Technology Officer, Portlog

    Ukasz Skrajny, the Chief Technology Officer, Portlog at Marcura, architects the digital infrastructure powering port expense management solutions. Skrajny directs the engineering teams responsible for building scalable software that automates complex financial transactions for maritime operators. By integrating advanced data analytics into the Portlog platform, the Chief Technology Officer, Portlog enhances operational transparency across global shipping hubs. This leadership role involves constant collaboration with product managers to ensure software reliability and security standards meet the rigorous demands of the maritime industry. Ukasz Skrajny drives the technical roadmap, ensuring that digital tools effectively reduce administrative burdens for vessel operators. Through the implementation of cloud-native technologies, the Chief Technology Officer, Portlog optimizes the entire shipping lifecycle, providing clients with real-time insights into port costs. Ultimately, Skrajny secures the technological edge necessary for maintaining market leadership in the competitive maritime software landscape.

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    Frequently Asked Questions Regarding Marcura Top Executives and Leadership Team

    Who leads Marcura?
    Marcura is led by Dionysis Tzelepis (Chief Operating Officer, Shipping Services), along with executives such as John Markendorf (President Brightwell Navigator) and Jonathan Offutt (President of the Board of Directors).
    Who is part of Marcura’s executive team?
    The executive team of Marcura includes leaders such as Dionysis Tzelepis (Chief Operating Officer, Shipping Services), John Markendorf (President Brightwell Navigator), Jonathan Offutt (President of the Board of Directors) and other senior executives.
    How many executives does Marcura have?
    Marcura has 4 executives leading key business areas.
    What roles are included in Marcura’s leadership team?
    The leadership team of Marcura includes roles such as Chief Operating Officer, Shipping Services, President Brightwell Navigator, President of the Board of Directors, Chief Technology Officer, Portlog.