In this role, he specializes in maritime-related topics, including as a contributor to the S&P Global Multiclient Study, 'Navigating Choppy Waters,' which focuses on marine bunker fuel in a low-sulfur, low-carbon world. Before taking on his current role in 2018, Krispen was a member of the Maritime and Trade research and analysis team at S&P Global. He played a key role in a project for a Far East port operator, analyzing future ship size trends based on forecast trade and technical limitations of ships. He also led projects that reviewed and forecast the maritime market, examining onboard equipment and propulsion types; in addition, he maintained a dialogue on future marine compliance regulations and their effects on the maritime market. Previously, Krispen was a manager in the Maritime and Trade Data team. During this time, he managed several teams in the United Kingdom, Malaysia, and Singapore, monitoring port developments and shipbuilding.

Krispen studied geography and photography at Truro College.