John Nackel is a founder-investor who previously ran Ernst & Young's global healthcare practice and venture fund, then served as CEO of Ingenix/OptumInsight, giving him an uncommon combination of top-tier consulting, corporate venture capital, and healthcare operations experience across payers, providers, and life sciences over 45+ years. He integrates advisory work through his Three-Sixty Advisory Group with his investing at Wavemaker 360 Health, effectively serving as both capital provider and long-term strategic operating partner to healthcare founders. John Nackel is a founder-investor who previously ran Ernst & Young's global healthcare practice and venture fund, then served as CEO of Ingenix/OptumInsight, giving him an uncommon combination of top-tier consulting, corporate venture capital, and healthcare operations experience across payers, providers, and life sciences over 45+ years. He integrates advisory work through his Three-Sixty Advisory Group with his investing at Wavemaker 360 Health, effectively serving as both capital provider and long-term strategic operating partner to healthcare founders.