Fueled by Clarity
Committed to providing insight across the bunker procurement process.
Thorough, ethical & attention-detailed approach to bunker procurement.
Being available at all times to ensure customers and suppliers feel 100% supported.

Assist buyers in planning their purchasing by advising on & balancing: operational needs, port specifics, supplier vetting & pricing.

As an independent broker, arrange bunker stems and any needed credit facilities, which match the logistical and pricing needs of buyers & suppliers, while keeping the supply chain transparent at all times.

Match clients looking for FFPs or volume contracts with the best-suited counterparties. Assist with price, index and term negotiations.

Should problems arise, assist clients with navigating the claims process. Claims consultancy services available as needed.

Create & generate needed reporting on purchasing patterns & compile insight into the changing marine fuels landscape.

Realizing that the needs of every customer are different, offer specialized services to maximize the value-added for a perfect fit.
TSEA-GREEN is working to empower shipping companies worldwide with dependable and personalized marine fuel and decarbonization solutions that not only reduce costs and carbon emissions but also enhance operational efficiency. Our commitment to honesty, bespoke services, and strategic market insights ensures the delivery of high-quality fuel management tailored to each client’s needs.


Sandi Ennor started Transparensea Fuels, LLC following a 10 year career that has spanned the marine fuels landscape.
With experience as a broker, trader, buyer and on the physical supply side, Sandi & Transparensea Fuels will be able to bring to the market a purely independent brokerage model with insight into the entire bunker procurement process.
Sandi's relationships with suppliers, knowledge of supply logistics, and understanding of the pressures on buyers, make her uniquely poised to offer her clients insight & clarity into how they are purchasing bunkers. This assists them with the development and advancement of their own purchasing strategies and requirements.
Prior to entering the bunker market, Sandi served as a helicopter pilot in the U.S. Navy. She is a U.S. Naval Academy graduate and decorated combat veteran.

Tracy joined the Transparensea Fuels team in January 2022 as our team's Administrative Manager. She is highly experienced in all things Finance, Human Resources, and Business Support. Tracy has worked in the marine fuels space since March 2014 so is no stranger to what this business takes.
Tracy is an active member of the Connecticut National Guard as a Trooper, 2nd Company Governor's Horse Guard.

Harriet joined the Transparensea team as a Director of the UK office in September 2023. Prior to this, she worked for LQM and Nautical Supply International. She holds a BA degree in Politics and Business Management from Loughborough University. From the outset, Harriet quickly realized the importance of building strong relationships with buyers and suppliers alike as well as the value that a committed bunker broker brings to the fuel procurement process and so, her dedicated approach is testament to that.

Margaret Kaigh Doyle joined the Transparensea Fuels team as the Director Tsea-Green in October 2022. She has three decades of experience working in the maritime and energy sectors. Margaret has served in an array of of roles on behalf of the USCG and IMO focusing on low flashpoint fuels policy. In 2014, she was responsible for developing and delivering the first set of LNG Bunkering Courses in North America. In 2017, she worked as a member of the prep team ahead of the delivery of the Crowley dual fuel ConRo ships. Margaret is a graduate of the U.S. Merchant Marine Academy and holds advanced degrees in engineering from The George Washington and Pennsylvania State Universities.





