Possible Clues:

• One regulating the beat encapsulating energy of irenic figure
• Sort of runner with inner energy who keeps things calm?
• Eirenic type, as leading athlete accepting last in race
• Leader in race to secure English mediator
• One manufacturing parts reportedly for mediator
• One blessed with implant, imbued with energy
• Early leader possessing drug for pacifying agent
• Mediator getting worried came into summit with hesitant expression
• Keep camera rolling for arbitrator
• Gun manufacturer said to be an honest broker