Neil Stevens, head of space risk at Sciemus, has left the company after spending 18 months at the data analytics and underwriting management firm. Stevens joined Sciemus in October 2015 having previously held the position of director of space underwriting at Pembroke Managing Agency, a position he held for two years. Prior to joining Pembroke, Stevens served at Atrium Underwriters for four years as a space underwriter and legal counsel. Sciemus announced that Phil Duffin will be the new director of space and aviation last year. Duffin will join the company from Willis Re where he was an executive director for non-proportional and facultative reinsurance across all aerospace classes.