IT services major Wipro Limited on Wednesday said it has appointed former Walmart executive Subha Tatavarti as its Chief Technology Officer. The company has also appointed Suzanne Dann as Senior Vice President and Sector Head for Capital Markets and Insurance, North America region. Tatavarti will lead Wipro's Service Transformation, Topcoder, Robotics, SVIC, Technovation Centre, Open Innovation and Applied Research teams, Wipro said in a statement. Tatavarti joins Wipro from Walmart, where she led product, technology development and commercialisation of enterprise infrastructure along with Security, data science and Edge platforms, it added. "A true champion of digital innovation, Subha will work across our technology spectrum, and help our customers meet the complex demands of the modern enterprise," Wipro CEO and Managing Director Thierry Delaporte said.