Viswas Raghavan, Citi's head of banking, said he plans to hire more managing directors. WEF Citi's banking lead said the firm plans to increase the number of managing directors by 15%. His comments come amid Citi's push to lure top talent from at least 20 competitors. The bank's wealth unit is also planning strategic hiring, executives said at investor day. Citi's investment banking unit is, to quote the bank's investor day presentation, adopting a "serial winning mindset" as it continues its push to hire top talent. The firm's banking unit has hired 60 managing directors from 20 different institutions since the beginning of last year, Viswas Raghavan, Citi's head of banking and executive vice chair, said at investor day in lower Manhattan on Thursday. Around half of those hires have been in the US, he added. "We are attracting the best, and we can get whoever we want," Raghavan said during a presentation on Thursday.…