Voices behind the current.
Our seasoned shipping professionals and analysts know the dry, tanker and containership markets inside out. Using Signal Ocean's and AXSMarine's proprietary data, they bring context, filter out the noise, and explain what really matters - in language anyone can follow.
Senior Market analyst
Maria Bertzeletou
Maria is a Senior Market Analyst at Signal Ocean, specializing in tanker markets, commodity trade flows, and geopolitical risk. Her research on sanctions, oil flows, and China's shifting demand is widely published across the maritime press and presented at industry conferences. She is a trusted voice for Bloomberg, Reuters, Lloyd's List, and TradeWinds. Maria is based in Athens.
VP Data Partnerships
Hugo Rousse
Hugo Rousse boasts over 15 years of experience in the shipping and commodity market intelligence field. His expertise lies in understanding the intricate dynamics of shipping, global trade and the movement of goods. Hugo holds master’s degrees in international business and European Politics. Hugo is based in Geneva area.
Tanker Research
Nikolas Zanikos
Nikos is a Tanker and Product Analyst at AXSMarine, working across crude and refined-product markets with a focus on vessel valuation, freight rates, and trade-flow analysis across global routes. He is frequently featured in Riviera media, offering perspective on the shifting dynamics of the global tanker and product trades. Nikos is based in Thessaloniki.
VP Liner Strategy
Jan Tiedemann
Jan is VP Liner Strategy at AXSMarine, having joined Alphaliner in 2007 and led its Hamburg analyst team before taking on liner strategy after the Alphaliner–AXSMarine merger. A fixture at industry conferences including TPM, he is known for sharp analysis of container fleets, orderbooks, and capacity cycles across the global trades. Jan is based in Hamburg.
Liner Research
Stefan Verberckmoes
Stefan is a Senior Shipping Analyst at Alphaliner by AXSMarine and a veteran container-shipping journalist, with more than a decade of prior roles at Flows.be and Port+. A sought-after voice on liner networks, port congestion, and carrier alliances, he speaks regularly at events such as Intermodal Europe and Container Trends. Stefan is based in Antwerp.
Liner Research
Mael-Pape Leostic
Mael is a Shipping Analyst at Alphaliner, covering container-shipping trends, fleet orders, port operations, and trade rerouting, from newbuilding orderbooks to the shifting service patterns of the major carriers. He is regularly cited by international outlets, including Bloomberg and AGBI, for his read on global container networks. Mael is based in Hamburg.
Senior Commodity Analyst
Luke Nickels
Luke is a Senior Commodity Analyst at Signal Ocean, covering dry bulk alongside critical minerals and base metals, using proprietary data to spot supply and demand signals ahead of conventional indicators. Previously he spent eight-plus years across Wood Mackenzie, S&P Global, Capital Economics, and CRU Group, where he led the global chrome research franchise. Luke is based in London.
Dry bulk research
Esther Chua
Esther is a Senior Dry Bulk Analyst at AXSMarine, bringing over a decade of experience in dry bulk analytics, vessel performance, and fleet supply analysis. She has held a series of analytical roles across major organizations in shipping and commodities, including Oldendorff, Rio Tinto, and DBS Bank. Esther is based in Singapore.