About Us
About Sansu Marine LLC.
Sansu Marine was established to create a more efficient and collaborative relationship between vessel owners and clients, focusing on mission-driven, professional, and dependable solutions. Instead of asking clients to adapt to a vessel’s limitations, we work to align assets with operational requirements. Our core services include commercial operations support, vessel procurement, USV deployment and recovery, and technical and crew management. Backed by decades of combined experience, our team leverages strong industry relationships to help clients execute complex maritime projects worldwide. With a global network and a pool of U.S.-based, licensed mariners, we deliver timely, tailored support across a range of marine operations. We also manage vessel modifications from start to finish, coordinating with regulatory agencies worldwide to ensure upgrades are compliant and efficiently integrated. Sansu Marine is committed to delivering successful outcomes through precise execution and responsive service.
Meet Our Leadership Team
At Sansu Marine, our team brings decades of experience in marine operations, vessel management, and maritime logistics. We are committed to delivering innovative, customized solutions that ensure the successful execution of your project on the water.
Ian Holtzworth
Managing Director
Ian Holtzworth is the founder and Managing Director of Sansu Marine, with a career built around vessel chartering, government contracting, and operational management. He has held senior roles across the commercial maritime industry, supporting both government and private-sector clients on complex marine projects.
Prior to launching Sansu, Ian was Director of Commercial Operations at Seaward Services, where he led vessel procurement and chartering efforts for programs in the US Navy, and US Air Force. He has managed varying vessels over 300 feet in length under long-term government contract vehicles.
Earlier in his career, he served as Chartering Manager at Seabulk Tankers, overseeing the commercial utilization of the company’s Jones Act tanker fleet. Ian’s background combines shipboard experience with commercial management, giving him a practical and strategic understanding of vessel operations and charter execution.
P: +1 (305) 393-0496
Scott Keever
VP – Business Development.
Scott Keever is the Managing Director and Business Development Manager at Sansu Marine, where he leads vessel operations, charter logistics, and client engagement for a range of government and commercial maritime projects. With nearly two decades of experience in offshore operations, vessel management, and marine logistics, he brings deep industry insight and operational expertise to the role.
Prior to joining Sansu Marine in 2024, Scott served as Vice President of International and Offshore Operations at Seaward Services, Inc., where he played a key role in launching and expanding WINDEA CTV LLC—a joint venture that delivered the nation’s largest fleet of U.S.-built, hybrid-ready Crew Transfer Vessels (CTVs) to support offshore wind operations along the East Coast.
Scott began his maritime career as a Deck Officer with Chevron Shipping and has held shore-based roles in operations and special projects with companies including Hornblower Cruises & Events and American Queen Voyages.
He holds a bachelor’s degree in Marine Transportation from the California State University Maritime Academy.
Eric Macey
Director of Operations
Eric Macey is the Director of Operations at Sansu Marine, where he manages the coordination and execution of complex maritime projects for commercial, defense, and government clients. With over 15 years of experience in offshore logistics, vessel operations, and technical integration, Eric plays a key role in ensuring projects are executed safely, efficiently, and in compliance with regulatory standards.
A licensed Master Mariner (Unlimited – Oceans), Eric has served in both shipboard and shoreside leadership positions, including as Chief Mate aboard the USNS Guam and Director of Operations for various offshore support vessels. His background includes expertise in heavy-lift operations, crew transfer vessel (CTV) logistics, and the deployment of Portable Offshore Accommodation Modules (PAMs) to support extended offshore missions.
Eric is a graduate of the California State University Maritime Academy and contributes to Sansu Marine’s operational development efforts, drawing on his wide-ranging industry experience to enhance project delivery and client support.
Connor Marion
Associate
Connor Marion is an Associate at Sansu Marine, where he oversees vessel procurement, vendor engagement, and operational project management across a range of commercial and government maritime initiatives. In his role as program manager, Connor helps drive the development and execution of tailored marine solutions, ensuring that each asset and partnership aligns with the unique requirements of the mission.
Connor earned a Bachelor of Science in Finance from the College of Charleston, where he also completed coursework in Global Logistics and Transportation. Before transitioning to a shore-based role, Connor worked as a licensed captain, operating vessels in the passenger transport, marine salvage, and commercial towing sectors.
His ability to combine analytical skill with field-based knowledge makes him an integral part of Sansu Marine’s mission to deliver dependable, efficient, and project-aligned maritime solutions.