By Petula Dvorak

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Soscia left work and school in San Diego to pursue this. Last week, he arrived at the Halcyon Incubator in Georgetown as one of 11 fellows.

He’s living in the Halcyon House, a gorgeous mix of formal ballroom and “Real World”-style house, where fellows are coached by attorneys, drilled on their one-minute pitches and schooled in the cruel world of start-ups to make their ideas reality. Only 3 percent of applicants are accepted — it’s “Shark Tank” (speaking of Cuban) for social innovators. He heads out next week to woo investors.

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