Leading Indian integrated marketing consultancy, One Source announced the appointment of Debaman Guin, Akanksha Srivastava, and Pranav Allawadhi to its leadership team. While Debaman joins after stints heading global marketing communication for firms such as BT Group plc, Sorenson Capital, InnoVen Capital, Tiger Global Management, LLC investees, Safe Security and inFeedo, Akanksha, and Pranav have been elevated after spending the last few years at the firm. Before…