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Alena Kalinkova has a diverse background in accounting, finance, and billing. Currently the Billing Manager at Mastech InfoTrellis, Alena oversees the invoicing and revenue recognition for various business units. Prior to this role, Alena gained experience in accountancy and financial analysis at Mastech Digital and other companies. With a Bachelor's degree in Economics and additional certifications in tax and financial accounting, Alena brings a strong skill set to their role in managing billing processes and internal controls.