Our team
The people running your HR
Eight practitioners in Limassol. Every one of them built and ran HR inside operating companies — maritime groups, fintech, pharma — before doing it for clients. When you work with OneJar, these are the people answering your phone.
Our team
Operators and HR practitioners
People who built and ran HR functions inside operating companies before they did it from the outside. (Hover over a photo.)
Katerina Charalampous
HR Partner
Katerina Charalampous supports the internal organisation and coordination of HR processes, contributing to the smooth day-to-day operation of the team. With consistency and attention to detail, she helps ensure that OneJar's services are delivered with structure and professionalism.
Andreas Tziarras
Co-founder & Director
A decade at global maritime group OSM Thome, rising to Global Head of HR — managing 1,200 people across 15 locations. Co-founded OneJar in 2022.
Frederica von Prince
HR Partner
Frederica Von Prince has an academic background in Business Administration and Human Resource Management. At OneJar, she supports clients with HR operations, employee communication and the implementation of HR processes, bringing stability, professionalism and a people-focused approach.
Savvas Avraam
Head of Operations
Three years at Accenture and six at the Schulte Group on commercial projects and investments. Joined OneJar in 2026.
Maria Aristotelous
HR Partner
Maria Aristotelous has an academic background in Human Resource Management, holding a Master's in HR from the University of Limassol. At OneJar, she works closely with clients on day-to-day HR matters, offering organised support, clear guidance and practical solutions.
Antros Yiasemi
Co-founder & Director
Four years as HR Officer across three countries at FxPro, then six years at Remedica as HR Manager. Co-founded OneJar in 2022.
Gabriela Sredzinska
HR Partner
Gabriela Sredzinska plays an important role in supporting OneJar, with a focus on organisation, coordination and process follow-up. Her contribution strengthens the consistency, speed and quality of the daily service provided to clients.
Stefanos Avraam
HR Partner
Stefanos Avraam has a strong analytical background, with studies in Computer Science with Entrepreneurship at the National University of Singapore. At OneJar, he supports clients with HR projects and processes, applying data-driven thinking to improve organisation, efficiency and decision-making.
How we work
One team, hands-on.
Hands-on, not advisory
We sit inside your operation and do the work — not just recommend it.
Cyprus-deep
Local law, local funding schemes, local market — this is home ground.
One point of contact
A named person who knows your people and answers.
Limassol HQ — where your HR team sits.
See our premises →