Dr. Sonny Nwarisi is a chartered accountant and chartered tax practitioner with more than 20 years of experience spanning oil and gas, FMCG, healthcare, hospitality, agribusiness and management consulting. His career includes experience with organisations such as PwC, Deloitte and Oando, as well as consulting work involving energy-sector businesses including Shell Group, Eni/Agip, ExxonMobil, Noble Drilling, Parker Drilling, Schlumberger, Solar Turbines, Tenaris and Wasco.