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Marinus JOHANNIS

Marinus JOHANNIS

Marinus JOHANNIS

Technical Director

Professional Biography

Executive Profile

MR. MARINUS JOHANNIS JEROENSE - TECHNICAL DIRECTOR Marinus Johannis Jeroense, fondly known as “Rinus” by most of his acquaintances, is a seasoned and highly flexible professional with extensive expertise in the marine and dredging industries. Known for his ability to deliver optimal results, Rinus has cultivated strong relationships with clients, colleagues, and staff throughout his illustrious career.

A dedicated leader and innovator, Rinus has built a remarkable portfolio of experience spanning over five decades, encompassing marine engineering, dredging operations, project management, consultancy, and equipment development. His hands-on approach and technical expertise have left a lasting impact on projects across Europe, Africa, and beyond.

Personal Information

Full Name: Marinus Johannis Jeroense Date of Birth: October 5, 1948 Marital Status: Widower with two sons Current Roles: Company Owner, Jeroense Marintrading & Consultancy CV (JMC) Company Owner, Marin Dredging & Machinery BV (MDM BV) Main Shareholder, J.Winner Dredging Nigeria LTD Main Shareholder, Manitoba (GB) LTD

Education

1962 – 1966: Technical High School 1973: Certificate in Marine Engineering, Royal PBNA School Arnhem 1981: Certificate in Civil Engineering, Royal PBNA School Arnhem 1998: Certificate in Civil Contracting, CEDA Dredging Organisation Additional Certifications: Fire, Safety, Rescue, and Health Professional Experience

Early Career (1966 – 1984):

Began as a 2nd Engineer aboard 2,300 HP dredgers for C. & J.J. Geluk, gaining handson experience in Europe. Progressed to First Engineer and later Dredge Master for dredgers and booster stations with engines ranging from 2,000 to 4,000 HP. Served as Supervisor on projects across the Netherlands, Belgium, and Germany, honing technical and management skills. Leadership Roles (1984 – 2005):

Production/Technical Manager (1984–1997): Managed dredgers, booster stations, and earth-moving equipment. Supervised the co-engineering and custom build of a 2,600 KW deep suction dredger. Project Manager, Van den Biggelaar BV Velddriel (1997–2005): Led dredging projects in Europe with contract values ranging from €500,000 to €40 million. Designed and supervised the construction of a 3,000 KW deep suction dredger for the company. Global Projects and Consultancy (2005 – Present):

Production Manager, Brightway Dredging and Marine Service Ltd (2005–2015): Oversaw major projects in Lagos and Port Harcourt, Nigeria, including water resource development and dredging operations.

Consultancy Roles: Provided expertise for Royal Haskoning on a new LNG Port in Gambia. Consulted on dredging projects in Anambra State, Nigeria, and supervised harbor developments in Turkey. Dredging Director, Hanson Dredging & Marine Services LTD (2015–Present): Directs dredging operations and provides technical leadership for projects in Lagos and Port Harcourt.

Key Achievements

Supervised and engineered the construction of custom dredgers, including deep suction dredgers with 2,600 KW and 3,000 KW engines.

Managed large-scale dredging projects with budgets exceeding €20 million. Established training programs for marine and dredging personnel. Designed, delivered, and maintained cutting-edge dredging equipment, ensuring seamless operations across various global projects.

General Skills and Expertise

Marine and civil engineering Project and production management Dredging equipment design and maintenance Training and development of marine workers Building strong professional relationships with clients and teams Rinus continues to drive excellence in marine and dredging operations, demonstrating unparalleled dedication and expertise in delivering innovative solutions for complex challenges worldwide.