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All digital HR Products In One Jar

One Jar is delivering tailor-made HR & management services.

We Provide HR & MANAGEMENT SERVICES

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What We Promise

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Transparency & Trust

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Best Practices & Tools

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Teamwork

Our Clients

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Image by Parker Byrd

About Me

Managing Director - Andreas Tziarras

Andreas held various senior leadership roles in HR & organizational development within the maritime industry. He enjoys introducing and managing transformation initiatives in organizations and working with people. Andreas has a genuine interest in commercial business models, Leadership Development, Team Dynamics and building up HR departments.

  • Certified Executive Coach - Henley Business School

  • Certified psychometrics practitioner in Predictive Index and Hogan assessments

  • MSc Human Resource Management & Organizational Behaviour

  • BSc Sociology & Political Sciences

  • 8 years international experience in senior leadership roles in Asia and Europe

  • LinkedIn
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