When most executives track performance, it’s on spreadsheets: revenue growth, market share, ROI. But the single most critical metric for executive health and longevity may not appear on any balance sheet—it’s in your lungs, heart, and mitochondria. That metric is VO₂max, the maximal oxygen your body can consume during peak exertion. For high-performing leaders, VO₂max has quietly become the ultimate measure of resilience, vitality, and long-term cognitive and operational capa
