Ravi Kalla got his master’s degrees in engineering from UW-Madison and founded Symphony Corp., a health information company that employs a couple of hundred people in Madison.

He’s from India.

Connie Li moved to Wisconsin when her husband got a job at UW-Madison. She co-founded TrafficCast International in Madison, a rapidly growing business providing traffic data to wireless devices.

She’s from China.

Ankit Agarwal, co-founder and CEO of Imbed Biosciences, developed the Fitchburg company’s promising wound-healing technology while doing post-doctoral research at UW-Madison.

He’s from India.

Thomas “Rock” Mackie, an emeritus UW-Madison professor, is best known for co-founding TomoTherapy, which makes cancer treatment machines in Madison and employs nearly 300.

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