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Tirza Munisywara is a seasoned business operations manager with extensive experience in the telecommunications sector, currently holding dual positions at Optiva Inc. and Crossover for Work since January 2018. Effective from April 2013 to December 2017, Tirza managed business operations and costs for the APAC and ME regions at Redknee. Prior roles include a cost management position at Nokia from April 2007 to March 2013, and various engineering and sales roles at Siemens Indonesia from 2004 to 2007. Tirza possesses a Bachelor of Science degree in Computer Science from the University of Indonesia, completed in 2004.