Winnie Onserio is an investment professional with over six years of experience spanning transaction advisory, corporate finance, mergers and acquisitions, financial due diligence, business valuation, capital raising, and financial modelling across diverse sectors in Africa. Prior to joining Rock Investment Bank, she was a Senior Associate II within the Deals and Transactions Advisory practice at PwC Kenya, where she advised clients on complex transactions, investment assessments, and strategic growth initiatives. At Rock Investment Bank, Winnie works with corporates, investors, and institutions to deliver innovative capital and advisory solutions, supporting capital formation, strategic transactions, and sustainable value creation across Africa.