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Leon Kallergis
Leon Kallergis is the Technical Manager of Sea Pioneer. He holds a Bachelor degree in Naval Architecture from Glasgow University and a Masterís degree in Marine Engineering from Newcastle University upon Tyne. Up till now, he has held the positions of superintendent engineer and Assistant Technical Manager. Fourteen years of experience have given him extensive knowledge in the maritime technical field and have led him back to Sea Pioneer in 2016, where he first started his career.

Cap. Stefanos Mylonas
Captain Stefanos Mylonas is the Operations Manager for our tankers and dry cargo fleet. He is an ex Master mariner having worked in New Orleans for a large shipping company based in New York. Cap. Stefanos has also extensive auditing knowledge and experience and joined Sea Pioneer on January 1999.

Cap. Dimitrios Sonidis
Captain Sonidis Dimitrios is the Vetting Manager of our fleet. He graduated from the Merchant Marine Academy of Aspropyrgos and since then he has 10 years of seagoing experience on tanker vessels up to Master rank and 5 years of shore shipping experience at Vetting and Safety Management department as he has worked as a Marine Superintendent for a well-known shipping company with a basic scope the preparation of ships for vetting/CDI inspections and ISM/ISPS compliance. Additionally, he has the experience to TMSA preparation, ISM implementation, PSC, USCG, Oil Majors/CDI requirements and audits on vessels and at shore. Furthermore, he has attended Tanker Chartering, Shipping Business, Ship Operations & Management and Shipping Law at ICS Greek Branch. He joined our Company in January 2019.

Ersi Nannou
Ersi Nannou is our D.P.A. and Quality Manager and joined Sea Pioneer in 2001. She carries a Bachelor Degree in Law, as well as a Master in Law from the University of Lille. Prior to joining Sea Pioneer she was a deputy DPA in another Greek Shipping company, that was managing tankers and bulk carriers.

Stelios Xydous
Stelios Xydous is our company's Crew Manager. Prior to joining Sea Pioneer in 1988, he was employed by our company on board our ships as a Chief Mate and Master. Stelios carries a wealth of knowledge regarding matters related to crew and its safety.