Alan Sheehan

• Full Name: Alan Sheehan
• Species: Human
• Gender: Male
• 2153: Engineer, Starfleet; USS Intrepid (ENT Novel: A Choice of Futures)
• 2162: Lieutenant commander, chief engineer, Starfleet; USS Pioneer (ENT Novel: A Choice of Futures)
• April 2163: Placed on indefinite medical leave upon severe neurological damage incurred in the line of duty (ENT Novel: A Choice of Futures)