Last year, Gartner found that Robotic Process Automation (RPA) is the fastest growing category in enterprise software. So perhaps it shouldn’t come as a surprise that UiPath, a leading startup in the space, announced a $225 million Series E today on an eye-popping $10.2 billion valuation. Alkeon Capital led the round with help from Accel, Coatue, Dragoneer, IVP, Madrona Venture Group, Sequoia Capital, Tencent, Tiger Global, Wellington and T.