Arienne Willbern

WORK HISTORY

EDUCATION

SKILLS

ABOUT ARIENNE WILLBERN

I specialize in accelerating the growth of oil and gas companies through strategic acquisition and divestiture (A&D) initiatives, reservoir optimization, and field development project support. As a senior-level Reservoir Engineer with a career spanning over a decade, my journey started in academia as a research assistant at the University of Arizona, where I developed proficiency in statistical analysis. After transitioning to the Oil & Gas sector, I progressively grew my expertise through progressive management roles at QED Energy Associates and Riverbend Oil & Gas. From QED, I moved into a role helping drive strategic asset management at Riverbend Energy Group, where I have successfully managed the acquisition and divestiture (A&D) of over opportunities.Some of my career impacts include:Acquisition & Divestiture Technical Analysis Successfully spearheaded the A&D process evaluating over opportunities, resulting in closing 100+ acquisitions. Coordinated the divestiture process of assets worth $1.8B, demonstrating sharp financial acumen. Conducted in-depth acquisition evaluation and recommendations, grounded in regional basin studies and precision-oriented upside models.Reservoir Optimization Specialized in reserves modeling and forecasting, leveraging extensive subsurface characterization. Accomplished in managing third-party reserves reports and type curves. Proficient in reserves volumetric and economic calculations, using PHDWin and ARIES.Development Project Support Led detailed expense and capital model creation, ensuring accurate cash forecasting. Utilized geological mapping in ArcGIS and QGIS to support acquisition analysis. Orchestrated quarterly board presentations and advised on key business decisions. In tandem with my core technical expertise, I am adept at SQL, Python, VBA, ArcGIS, and QGIS. I am a recipient of the Arizona Excellence Award and have contributed to the larger professional community as a featured speaker at industry events.As I continue to hone my expertise and expand my industry reach, I remain committed to fostering sustainable energy solutions, propelling strategic acquisitions, and driving operational efficiency.