Kazi Hamidur Rahman Rana | Head of Direct Operator Billing (DOB /DCB) API and Bulk Data
Grameenphone

Kazi Hamidur Rahman Rana is the Head of Direct Operator Billing (DOB/DCB), API, and Bulk Data at Grameenphone, where he drives digital payments, carrier billing, and API-based business solutions to accelerate revenue growth. With over two decades of experience in international roaming, interconnection, and value-added services (VAS), Rana has played a pivotal role in shaping Grameenphone’s digital and wholesale strategies.

Known for his visionary leadership, Rana has led cross-functional teams to deliver innovative services—from prepaid travel SIMs to advanced digital content platforms—while consistently exceeding revenue targets, including overseeing a $192 million quarterly revenue stream during his tenure as Head of VAS and International Roaming.

Rana’s career spans senior roles at Grameenphone and Telenor Global Wholesale, where he managed international voice traffic, roaming alliances, and strategic agreements with global carriers. As Grameenphone’s key representative to the GSMA since 2010, he is recognized as a leading authority on roaming and interconnection in Bangladesh.