By Jennifer Sieg Ambition A.M. meets Thomas McHugh, co-founder and chief executive of data management firm Finbourne, to hear what it takes to prove an idea possible. Accurate data management is crucial for the financial services industry, especially when it comes to preventing fraud and avoiding costly errors. Thomas McHugh, chief executive and co-founder of data integration and management platform Finbourne, found that out the hard way during a decade of working in the City of London. The 46-year-old entrepreneur had spent his career working within large financial institutions such as Morgan…