Finance and accounting manager, Sally Shi, utilizes financial data to make major improvements to Tideworks’ decision-making and business operations.
Finance and accounting manager, Sally Shi, utilizes financial data to make major improvements to Tideworks’ decision-making and business operations.
Sam Arroyo, IT Services Engineer, has worked on the IT side of Tideworks for six years. Learn how he keeps the waterfront running smoothly.
Cherese Moss, Tideworks director of customer success, wears many hats. Learn how her passion for service improves customer experience and success.
What’s more challenging than beating the deadline on a major software release? Beating the deadline on a major software release during a global pandemic while becoming the new leader of the team.
At Tideworks, you will find many folks who have worked within the industry before. Their real-world experience helps us ensure that the tools we build will solve the real problems our customers face and work for their needs. That’s how Scott Duncan came to us. He started in March of 2020 as a Customer Success Manager, but his career began fourteen years earlier, not in software development, but as an assistant operations manager with APM Terminals in Virginia.
A true jack-of-all-trades, Mark Longman’s input has been invaluable throughout his career at Tideworks. Today he’s a senior software engineer and team lead in developing the next iteration of our Mainsail Terminal Operating System (TOS). In 2001, he joined Tideworks as a front-end web developer. Since then he’s worked on almost every web-based product carried by both Tideworks and Carrix. User interface and usability design have always been paramount to his approach in software development and he has thoroughly enjoyed playing a role in creating clean and simple software solutions.

Mark Traynor joined Tideworks in 2026 as Chief Product & Technology Officer, bringing more than two decades of hands-on experience in building and deploying terminal technology and automation systems. In this role Mark will lead the company’s product management and engineering organizations and is responsible for the product roadmap and the modernization of the Tideworks platform.
Before Tideworks, Mark was Chief Technology Officer at Lynxis, whose Nascent gate automation systems deployed in nearly 100 marine and rail terminals across North and South America. For Lynxis, Mark led a globally distributed 70+ person engineering team that built a modern, configuration-driven platform on a single codebase while introducing a visual workflow configuration designed to streamline customer implementations. He also introduced cutting-edge computer vision and agentic AI solutions as well as the re-engineering of the hardware to run on readily available commercial components rather than bespoke systems sourced from specialist manufacturers.
For the 13 years before that, Mark was an independent technology partner to major North American automated marine terminal projects, including Virginia International Terminals and Long Beach Container Terminal. These operators relied on him to help lead their most complex terminal operating system implementations driving efficiency and reliability through their gate, rail, yard and vessel operations.
Mark began his career at Navis in 2004, delivering terminal operating system implementations across North America and Europe.
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