Christina is a leader in tax transformation. She has a proven track record of driving greater efficiency and effectiveness in the tax function by implementing sustainable solutions that allow tax departments to better integrate with business operations, minimize risk, adjust cost structures, and focus on adding value.

Serving over 50% of the Fortune 500 companies in oil and gas, and chemical industries, she has led tax transformation projects at various scales for clients throughout the hydrocarbon value chain, including ExxonMobil, Shell, Motiva, SABIC, Celanese, Westlake, Chevron, Sunoco, Energy Transfer, PBF Energy, Philadelphia Energy Solutions, Deer Park Refinery, Targa Resources, Colonial Group, Pilot Travel Centers, Casey's General Stores, BJ's, RaceTrac, and QuikTrip.

With her in-depth expertise in the functional areas that affect tax, Christina often serves clients as the tax solution and integration lead between tax and broader business workstreams, including procurement, supply chain, sales and marketing, and financial reporting.

Jamie Stottlemyre specializes in leading global tax system implementations and providing indirect tax advisory services. With more than 25 years of leadership and client services experience in industry and some of the biggest consulting firms, including over 20 years of indirect tax technical and system implementation experience, Jamie has led numerous system implementations and provided indirect tax advisory services across various industries, including oil & gas, pipelines & terminals, convenience stores, manufacturing, and energy. He has contributed to the success of companies like Valero Energy, HF Sinclair, General Motors, Nustar Energy, Hunter Douglas, Robert Bosch, Cargotec, Holcim Group, and BD.

Bach has a background in tax technology consulting at a Big 4 firm and leverages that experience to address complex tax challenges, particularly within major oil & gas clients across the United States and Canada including Pilot Travel Centers, Motiva, SABIC, and RaceTrac.

Bach has successfully implemented tailored tax solutions for various systems including ERP, ETRM, and POS solutions, as well as bolt-on tax engines and compliance reporting tools. Proficient in Alteryx and certified as a Vertex O Series Implementer, Bach combines technical expertise with a deep understanding of industry-specific tax requirements to deliver effective and holistic solutions.