Mobile Ad Startup Celtra Raises $4M Led By Softbank Capital

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http://techcrunch.com – Celtra, a company offering tools for rich media ad creation, mobile ad serving, and analytics, just announced that it has raised $4 million in new funding. The round was led by SoftBank Capital, and SoftBank’s Ron Fisher is joining the board. Existing investors GrandBanks Capital and Fairhaven Capital also participated in the new funding. Celtra says it reached profitability in the third quarter of last year, and saw 300 percent revenue growth year-over-year. It also says its customers and partners include “four of the top five mobile ad networks” and “eight out of the (IT news)