Dennis Diesen

Dennis Diesen is a seasoned tax professional with extensive experience in various senior roles within the energy and financial sectors. Currently serving as Senior Tax Manager at Excelerate Energy since June 2020, Dennis has previously held notable positions including Principal of Tax Advisory Petroleum at BHP Billiton, International Tax Manager at LUKOIL, and Senior Tax Counsel at ConocoPhillips. Dennis's foundation in tax began at Deloitte & Touche as a Senior Tax Consultant, and has since evolved through roles at GE Capital, ExxonMobil, and Mobil Oil. Educationally, Dennis holds a JD from George Mason University - Antonin Scalia Law School, an LLM in Tax from the University of Houston Law Center, and multiple degrees in Accounting and Finance from Virginia Tech, including a Master of Accountancy in Tax.