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Lisa Vilhonmäki is an accomplished internal auditor with a strong background in finance and accounting. Currently serving as Internal Auditor II at Calpine since September 2020, Lisa previously held the position of Financial Analyst - FP&A at Schlumberger, where significant business decisions were supported through in-depth financial analysis. Lisa's audit experience includes diverse roles at Schlumberger, PwC, BDO USA, and other organizations, providing expertise in various audit engagements, compliance testing, and financial operations. Lisa holds a Bachelor of Business Administration in Accounting and a Master’s Degree in Accountancy from the University of Houston.