Carlos Sierra
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CEO
Tampa, Florida, United States
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CEOTwnelApr 2013 - Current (13 years 7 months)- We harness the magic of mobile messaging by giving back control to companies, augmenting their teams and empowering their mobile-first workers.- LMBA InternLocu, Inc.Jan 2012 - Feb 2012 (2 months)Locu, Inc. is a venture backed company building patent pending technologies to efficiently digitize the world's data. Locu's goal is to provide the most up-to-date and complete data sets around local business information to help further the business of our API clients and partners.
- Board MemberInalambria InternacionalJan 2011 - Current (15 years 10 months)
- Founder and Managing DirectorInalambria InternacionalFeb 2003 - Jan 2011 (8 years)- Founded Inalambria in 2003; creating a business need for a previously non-existent service.
- Facing many challenges and obstacles, and learning from experiences and different roles over the journey, I hired and developed a team of 25+ people, and grew the business from zero to profitability, serving over 500 enterprise customers
- Shaped software-as-a-service model that redefined the local mobile services industry by changing how companies and brands used SMS.
- Team was awarded the “Best Promotion in the World Using Mobiles” by the MMA (Mobile Marketing Association) in 2010, reaching more than 1.5M consumers throughout Latin America and increasing our client’s sales by 17%. - Founder and General ManagerSIWIRELESSFeb 2001 - Feb 2003 (2 years 1 month)- Launched and pioneered mobile transcending solutions (web to mobile) in Colombia, closing major deals with mobile operators, content providers and financial institutions.
- Also introduced a sales-force-automation (SFA) service offering for the prepaid distribution market in Colombia, lowering distributions costs and increasing our client’s profitability (from 5% to 8%) and control over the business.
- Achieved profitability with a team of 5 people and left the company in 2003 by arranging an asset sale and starting a new company focused on mobile messaging services for enterprises. - MSoftware DeveloperMicrosoftFeb 2000 - Jan 2001 (1 year)- As member of the SWAT Developer Team for the Exchange Platform; designed, developed and deployed four different business improvement software projects for Microsoft’s key enterprise customers in the telecom (Comcel), retail (Exito)
- SWAT Team was awarded Microsoft World’s Best Practice in 2000.