Reference sheet for Sinead!

An expert tactician and gift sniper, Sinead is a hard-edged woman with nerves of steel. Following the attack of Sovereign on the Citadel in 2183 CE and her subsequent reconstruction by Cerberus, she developed the telltale, glowing orange scars of cybernetic implants.

While her crew deeply respects her, she has a reputation for her lack of patience with reporters and fanboys.

During her military career, she made the following choices (Mass Effect 1-3 SPOILERS to follow):

ME1:

• Sacrificed Ashley Williams on Virmire
  
• Talked Wrex into loyalty as a Renegade
  
• Spared the original Council during the Eden Prime War
  ME2:
  
• Gained the loyalty of the entire Normandy SR-2 crew, including Kasumi Goto and Zaeed Massani
  
• Instructed Jacob Taylor to kill his father for his crimes against female crew members of the Hugo Gernsback
  
• Helped Garrus Vakarian kill Sidonis
  
• Preserved Maelon's research data during Mordin's loyalty mission, but didn't step in to prevent his death
  
• Destroyed the Geth heretics
  
• Killed Morinth
  
• Assisted Zaeed in the extermination of Blue Suns founder Vido Santiago
  
• Helped Liara T'Soni become the next Shadow Broker
  
• Sent Project Overlord subject David Archer to Jon Grissom Academy
  
• Ensured the survival of the entire Normandy crew during the Omega 4 mission
  
• Preserved the Cerberus Base during the suicide mission
  ME3:
  
• Recruited Javik
  
• Cured the Korgan Genophage
  
• Brokered peace between the geth and the quarians
  
• Popped a cap in the Rannoch Reaper's shiny, metal ass
  
• Chose Synthesis

She also had a brief relationship with Kaidan Alenko before settling in for the long-term with Garrus Vakarian.

Mass Effect and all related lore belongs to Bioware

Sinead Shepard is mine!