
Claire Mack is a senior leader in fintech and payments with 10+ years spanning strategy, commercial operations, and large-scale transformation. She is recognized for her sharp judgment and ability to stress-test ambition against operational reality, helping executive teams move from concepts to decisions that can be delivered with discipline and pace.
At Strathen Group, Claire brings a grounded, execution-first perspective, challenging assumptions, clarifying priorities, and ensuring growth bets remain achievable, value-accretive, and aligned with the firm’s delivery capacity.
Claire holds a BA (Hons) in Mathematics and Spanish from the University of Southampton, UK.


