Mark Hempel

Mark serves as Bushel’s president. He has an extensive career in technology, including a stint at Apple. He has been the designer of innovative products, including the education industry’s first electronic textbook, which he created for McGraw-Hill. He also designed the bestselling educational software The Oregon Trail; the first medical web site—for the Mayo Clinic; and the Web’s first audio browser, NetRadio.

Lovable Quirks

• Wears a sweater (almost) better than Mr. Rogers.
• It’s not a meeting with Mark unless he gets up and whiteboards something.

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