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Mr. Nikos Nikiforos, Managing Director
Nikos Nikiforos has studied shipping in London and has 23 years of work experience in shipping. His expertise lies in the fields of chartering and commercial operations both in Greece and UK. From 1997 to 2008, he served as the Commercial Director of Oceanbulk Shipping and Trading S.A., the freight trading arm of the Oceanbulk Group of companies. During his time at Oceanbulk Shipping and Trading S.A., the company carried several million tons of cargo and employed hundreds of ships to perform contracts of affreightment. He also served as the Managing Director of Interchart Shipping Inc., a shipbroking firm which specializes in chartering dry cargo ships and serves as the exclusive chartering broker for the Oceanbulk Group. Mr. Nikiforos has been a member of the management team, serving as the Vice President of Business Development, that founded Star Bulk Carriers Corp., a company listed on NASDAQ.


Mrs. Christina Karalaki, Commercial Director
Christina has studied shipping in London and has a wealth of experience in commercial shipping gained through 24 years of employment by major companies in their fields both in Greece and UK. She has been a director of Oceanbulk Group since 1999, initially responsible for the commercial performance of a part of the managed fleet and later at Oceanbulk Shipping and Trading S.A. as general manager of the America’s trades and head of the regional offices of Brazil, Argentina and USA. She is responsible to identify and execute freight trading deals related to cargo transportation in the form of single shipments or contracts of affreightment using either owned or chartered in vessels and for the chartering-out to third parties of the time chartered-in vessels.


Mr. Antonis Varagkis, Chief Financial Officer
Antonis has a BA degree in Accounting and Finance from the Athens Economics University, Greece, a MSc degree in Finance from Lancaster University, UK, and a Diploma in Project Management from University of Bremen, Germany. He has worked as a CFO since 2001 for financial advisory and management firms offering services to a group of offshore Funds of Hedge Funds with more than USD 3 billion net assets under management. Prior to 2001, Antonis was deputy chief accountant and EU MIS administrator of the Athens Metro Construction and the chief accountant of the project manager for the Natural Gas Pipeline network of DEPA S.A.


Theofilos Sirkoglou, Risk Management
Theofilos holds a MSc in International Shipping from the University of Plymouth, UK, a BSc in Maritime Studies from the University of Cardiff, Wales. He is qualified as a certified Market Technician (CMT) by Market Technician Association, USA. A member of the Institute of Chartered Shipbrokers (ICS). His experience encompasses an international 12-year tenure as a dry freight futures broker -3 years- and a dry freight futures trader -9 years- (London, Hong Kong, Athens).


Nikos Raisis, Commercial Manager
Nikos holds a BSc degree in Economics from CMA Collage. He started his career in shipping in 2003 as a competitive broker. Since 2005 he is involved in freight operating as chartering manager. Nikos joined Ariston in 2014 as Commercial/Chartering Manager.


George Iatridis, Commercial Department
George holds an L.L.M in Maritime Law from Cardiff University and a BSc in Shipping and Transport from London Guildhall University. He started his career in shipping in 2004 as a shipbroker in Greece, handling dry bulk vessels ranging from handy up to panamax sizes and joined the commercial/chartering desks of Ariston Commercial Services in 2008.


Ms. Anna K. Brown, Commercial Department
Anna holds a BSc degree in Maritime Studies from the University Of Piraeus and an Advanced Diploma from The Institute of Chartered Shipbrokers. Her first position in shipping was in a shipbroking company as a competitive broker in 2007. In 2008 she was recruited to join the in-house chartering team of a commercial shipping operator based in Piraeus. Anna joined the commercial/chartering desk of Ariston Commercial Services in March 2013.