Union Bank of India today said Arun Tiwari assumed charge as its new chairman & managing director. He succeeds D. Sarkar, who retired from services on 30 November. Tiwari, who has over 30 years of experience, started his banking career with Bank of Baroda and was an executive director at Allahabad Bank prior to his new job. An MSc in chemistry, Tiwari set up the operations of Bank of Baroda in Kuala Lumpur and Singapore and played a key role in the bank’s Project Navnirman and Project Sparsh initiatives. As an executive director at Allahabad Bank, he was a member of audit, customer service, IT, management and risk management committees. A career banker, he has worked in almost all key segments of banking, in various capacities – at branches, zonal office, and at corporate office.